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Animal Production Science is an international journal publishing original research and reviews on the production of food, fibre and pharmaceuticals from animals. More

Editor-in-Chief: Wayne Bryden

 
 
 

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Published online 19 December 2014
Effects of different dietary concentrate to forage ratio and thiamine supplementation on the rumen fermentation and ruminal bacterial community in dairy cows 
Hongrong Wang, Xiaohua Pan, Chao Wang, Mengzhi Wang and Lihuai Yu

Subacute ruminal acidosis (SARA) is a common chronic digestive disorder in high-yielding dairy herds. This investigation indicated that thiamine could help alleviate SARA. This research provides an alternative method of managing SARA in dairy production.

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Published online 19 December 2014
Myogenesis in small and large ovine fetuses at three stages of pregnancy 
S. P. Quigley, P. L. Greenwood, D. O. Kleemann, J. A. Owens, C. S. Bawden and G. S. Nattrass

The prenatal environment can influence subsequent postnatal growth and development of tissues and organs. Muscle fibre number and size and gene expression in muscles of fetal sheep of different sizes were analysed at three stages of gestation. Myofibre size but not myofibre number was higher in large foetthan in small fetuses in late pregnancy.

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Published online 19 December 2014
Beef longissimus eating quality increases up to 20 weeks of storage and is unrelated to meat colour at carcass grading 
J. M. Hughes, N. G. McPhail, G. Kearney, F. Clarke and R. D. Warner

Beef meat colour is important for consumer acceptance, with unfavourable colours associated with rejection. Meat of a dark colour can have a reduced shelf-life and eating quality. When stored for up to 20 weeks, longissimus scored as light, medium and dark at grading all had a ‘good everyday’ eating quality. We have demonstrated that beef aged for 20 weeks is still acceptable to consumers, regardless of meat colour at carcass grading.

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Published online 19 December 2014
Potential of the application of epigenetics in animal production 
Takafumi Gotoh

Our current environmental challenges, including worldwide abnormal weather, global warming and pollution, necessitate a new and innovative strategy for animal production for the next generation. This strategy should incorporate not only higher-efficiency production, but also advanced biological concepts and multi-functional agricultural techniques, into environmentally friendly systems. In this review, we describe how to control productivity of livestock by nutritional stimulus in foetuses and neonates, or bring out the potential of animals to their maximum level, using the application of foetal and neonatal programming based on epigenetics for livestock production, especially ruminant production with grass resources.

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Published online 19 December 2014
Effect of dietary magnesium supplementation in alleviating stress associated with road transportation in weaned lambs 
J. L. Pye, R. E. Doyle, M. A. Friend and M. S. Bhanugopan

The aim of this study was to determine the effect of short-term magnesium supplementation on transport stress in lambs. The results showed that magnesium supplementation for 2 weeks before transport did not decrease stress during transport, but stress associated with transport decreased feed intake after transportation, which could have a negative impact on liveweight gain in these animals.

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Published online 18 December 2014
Pre-partum supplementation increases first-lactation heifer re-conception rates in the Victoria River District, NT 
T. J. Schatz

This study was conducted to determine whether re-conception rates in Brahman first-lactation heifers in the Victoria River District (NT) could be reliably improved by pre-partum supplementation with high protein supplements as previous results have been inconsistent. Re-conception rates were significantly higher in supplemented heifers in each of the 3 years of this study and were an average of 42% units higher over the 3 years. It was concluded that feeding pre-partum protein supplements for a period of at least 100 days until green grass is available is a reliable method of increasing re-conception rates in first-lactation heifers in the Victoria River District.

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Published online 18 December 2014
Is ruminal trans-11-18:1 accumulation a prerequisite for trans-10-18:1 production? 
B. Vlaeminck, W. Khattab and V. Fievez

Understanding the trans-10-shift during rumen biohydrogenation is important in relation to physiological responses in the animal and the fatty acid profile of ruminant meat and milk. Although trans-11-18:1 accumulation most often precedes trans-10-18:1 formation, our study showed that accumulation of trans-11-18:1 is not a prerequisite for the formation of trans-10-18:1. Hence, the shift to an alternative biohydrogenation pathway via trans-10-18:1 does not seem to be induced by saturation of the most common pathway via trans-11-18:1.

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Published online 17 December 2014
Effects of physically effective neutral detergent fibre content on dry-matter intake, digestibility and chewing activity in beef cattle fed total mixed ration 
Jae Hyun Park, Kyoung Hoon Kim, Pyo Jam Park, Byong Tae Jeon, Mi Rae Oh, Se Yeong Jang, Si Heung Sung and Sang Ho Moon

Physically effective neutral detergent fibre (peNDF) affects intake, digestibility and chewing activity in beef cattle. This study was to determine the effects of peNDF in a total mixed ration (TMR) on feed intake, digestibility and chewing activity in beef cattle. High levels of peNDF appear to improve TMR, as it can increase efficiency and may prevent ruminal disorders in Hanwoo steer.

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Published online 16 December 2014
Impact of rumen emptying on rumen fermentation and animal welfare in cannulated sheep 
M. Silberberg, A. Boissy, M. Rira, E. Delval, H. Chandèze and M. Doreau

There is increasing societal concern for the welfare of experimental animals. This study showed that total emptying of rumen contents from rumen-cannulated sheep causes minor disturbances to rumen fermentative parameters and behavioural comfort under our experimental conditions. This experimental technique operated on trained animals offers an acceptable way to gain further insight into digestive and metabolic mechanisms.

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Published online 16 December 2014
Secondary compounds attenuation in Acacia macracantha leaves and its effect on intake, digestibility, plasma and productive variables by incorporating them in rations for rabbits 
M. A. Espejo-Díaz and G. E. Nouel-Borges

Leaves of black Cují (Acacia macracantha), arid and semi-arid areas of South America species, can be used as part of the diet of rabbits. The leaves of black Cují treated with soaking for several hours may be part of the diet of rabbits to 30% of the total dry matter. The use of treated black Cují leaves consumed by growing rabbits allows intake of food and weight gain similar to those achieved with traditional breeding rabbit diets.

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Published online 16 December 2014
Baseline and greenhouse-gas emissions in extensive livestock enterprises, with a case study of feeding lipid to beef cattle 
Robert M. Herd, V. Hutton Oddy and Steven Bray

The process of digesting grass in the fore-stomach of cattle releases the by-product methane, a potent greenhouse-gas. Simple methods are required to qualify methane emissions by cattle grazing extensive pastures and any reduction in emissions following a management change. A hypothetical example of feeding lipid to cattle showed that current models could quantify emissions before and during feed supplementation and be used to substantiate a claim for financial reward for greenhouse-gas emission reduction.

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Published online 16 December 2014
Improving the feeding value of straws with Pleurotus ostreatus 
N. A. Khan, S. Hussain, N. Ahmad, S. Alam, M. Bezabhi, W. H. Hendriks, P. Yu and J. W. Cone

This study evaluated the effectiveness of the white rot fungus (Pleurotus ostreatus) to degrade lignin in low-quality crop residues, in an effort to enhance their nutritional value. Results showed that incubation of low-quality crop residues with P. ostreatus under solid-state conditions can upgrade their feeding value by reducing the content of lignin and increasing the content of crude protein and ruminal degradation.

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Published online 16 December 2014
Effect of body mass index at parturition on goat milk quality and yield 
Åshild T. Randby, Svetlana Borodina and Ingjerd Dønnem

Goat milk with low concentrations of free fatty acids is necessary for the production of high-quality cheese. This study tested if goats in high body condition at kidding produced milk with lower free fatty acid concentrations than goats in poor condition. Results showed that goats that attained high condition due to high feed-energy intake prior to kidding produced milk with lower free fatty acid concentrations.

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Published online 16 December 2014
Effects of different doses of sodium monensin on feeding behaviour, dry matter intake variation and selective consumption of feedlot Nellore cattle 
Murillo C. S. Pereira, Tássia V. B. Carrara, Juliana da Silva, Diego P. Silva, Daniel H. M. Watanabe, Lais A. Tomaz, Mário D. B. Arrigoni and Danilo D. Millen

This study was designed to provide information about feeding behaviour and reduction of feed selection when Nellore cattle are fed sodium monensin in finishing diets. Cattle fed 9 ppm of sodium monensin were less selective and more efficient at consuming 1 kg of dry matter and neutral detergent fibre. Therefore, the dose of choice should be 9 ppm of sodium monensin.

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Published online 12 December 2014
Supplementary feeding options to alleviate the impacts of decreased water availability on dairy-farm economic performance in northern Victoria 
C. K. M. Ho, B. Malcolm and P. T. Doyle

Changes in climate and water policy will reduce the amount and increase the variability in water allocations to irrigators in northern Victoria. This study examined whether feeding supplements in partial mixed rations, instead of feeding grain in the dairy, would help overcome the impacts of these changes for two irrigated dairy farms in the region. One farm could maintain profitability under a scenario of medium climate change, but variability of annual profit increased. Under more severe reductions in water availability, neither farm was profitable and other changes, in addition to, or instead of, feeding a partial mixed ration would be needed.

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Published online 02 December 2014
GNSS technology and its application for improved reproductive management in extensive sheep systems 
Eloise S. Fogarty, Jaime K. Manning, Mark G. Trotter, Derek A. Schneider, Peter C. Thomson, Russell D. Bush and Greg M. Cronin

GNSS tracking offers scientists a research tool to study livestock behaviour under pastoral conditions. As the reproductive efficiency of Merino sheep in Australia is poor, the application of GNSS technology offers a potential means to improve reproductive efficiency through enhanced behaviour monitoring. This study found Merino ewes displayed a change in their daily activity pattern during oestrus. Thus, remote detection of oestrus through monitoring of changes in normal ewe behaviour may be possible through the application of GNSS technology.

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Published online 02 December 2014
Effects of long wool insecticide treatments on lice numbers and wool damage on sheep 
N. J. Campbell, P. J. James and B. J. Horton

Long wool treatments are frequently applied to control sheep lice between shearings, but no data was available to indicate the production benefits of these treatments in merino sheep. Both long wool treatments tested, one applied by hand jetting and one as a backline spray-on treatment, gave large reductions in louse numbers, significant increases in clean wool cut and significant improvement in a number of wool quality parameters.

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Published online 02 December 2014
Ability of sire breeding values to predict progeny bodyweight, fat and muscle using various transformations across environments in terminal sire sheep breeds 
A. E. Huisman, D. J. Brown and N. M. Fogarty

How do we accurately evaluate the genetic merit of terminal sires bred across the wide range of Australian sheep environments? When their weights and fat measurements were transformed to a proportion of the mean of their contemporary group (% or units) it resulted in consistent relationships between the estimated genetic merit of sires and the performance of their progeny. These data transformations methods have now been implemented in the national genetic evaluation system to allow the breeding values of terminal sires to be more accurately compared across Australia.

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Published online 02 December 2014
A combination of xylanase, amylase and protease influences growth performance, nutrient utilisation, starch and protein digestive dynamics in broiler chickens offered maize-, sorghum- and wheat-based diets 
S. Y. Liu, D. J. Cadogan, A. Péron, H. H. Truong and P. H. Selle

The inclusion of exogenous enzymes in poultry diets has increased remarkably in recent decades; however, there is a lack of parallel comparison of enzyme responses in broiler diets based on different grains. A combination of xylanase, protease and amylase was shown to significantly improve energy utilisation in maize-, sorghum- and wheat-based diets, and with more pronounced improvement of feed conversion efficiency in maize-based diets. The differences of enzyme response in nutrient digestion should be considered when diets based on various grains are formulated.

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Published online 02 December 2014
Correlations of methane and carbon dioxide concentrations from feedlot cattle as a predictor of methane emissions 
Mei Bai, David W. T. Griffith, Frances A. Phillips, Travis Naylor, Stephanie K. Muir, Sean M. McGinn and Deli Chen

Methane emissions from livestock industries contributed 70% of total agricultural greenhouse gas emissions in Australia in 2009. It is difficult to measure methane emissions from large commercial feedlots. Accurate measurements are required. A 2-year study conducted at two Australian commercial feedlots showed a strong correlation between methane and carbon dioxide concentrations. This result could be used as a new method to predict methane emissions for the purpose of inventory, mitigation strategies and animal feed efficiency at Australian beef production systems.

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Published online 02 December 2014
Integrated animal and cropping systems in single and multi-objective frameworks for enhancing the livelihood security of farmers and agricultural sustainability in Northern India 
U. K. Behera, H. Kaechele and J. France

Reduced productivity and environmental concerns caused by intensive cultivation of rice-wheat systems necessitate diversification of farming in Northern India. Therefore s study was undertaken to develop models of integrated farming systems (IFS), involving animals and cropping, for various sizes of farm and to compare them with rice-wheat. The study revealed that IFS offer more perspectives for an economically viable and sustainable agriculture for typical farms in the region.

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Published online 02 December 2014
Effect of hypothyroidism on growth performance, carcass composition and meat quality of fat-tailed Lori-Bakhtiari lambs 
Yousef Baghcheghi, Ahmad Zare Shahneh, Mahdi Ganjkhanlou, Mahdi Khodaei Motlagh and Ali Reza Yousefi

Lamb meat quality is increasingly important to international markets and to consumers and is affected by a variety factors including the level of thyroid hormones. We evaluated the effects of hypothyroidism on growth performance and meat quality of growing lambs. Our results indicate that mild hypothyroidism may have some beneficial effects on growth efficiency and meat quality of lambs.

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Published online 02 December 2014
The influence of season on lambs 
S. J. Pain, J. R. Corkran, P. R. Kenyon, S. T. Morris and P. D. Kemp

Mixed species swards can provide good quality herbage for sheep over summer and autumn. The studies reported here examined grazing preference and diet selection of lambs for plantain, chicory, red clover and ryegrass. Some seasonal differences were noted for chicory and plantain, but they were never significantly lower than that of ryegrass and were likely due to seasonal changes in nutritive value. Pastures with a diverse range of plant species offer a unique opportunity to maximise animal feed intake and perhaps the nutritive value of that selected.

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Published online 02 December 2014
Changes in behaviour, milk production and bodyweight in beef cows subjected to two-step or abrupt weaning 
R. Ungerfeld, M. J. Hötzel and G. Quintans

Artificial weaning is one of the greater stressors for farm animals. Therefore, we tested if the use of nose flaps on calves to end suckling improves the cows’ welfare after definitive weaning. As this management decreased the main behavioural changes that indicate distress and decreased the bodyweight loss of the cows after the definitive separation it may be recommended for practical application.

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Published online 02 December 2014
Descriptive statistics and the pattern of horse racing in New Zealand: Part Two Harness racing 
Charlotte F. Bolwell, Chris W. Rogers, Erica K. Gee and Sarah M. Rosanowski

It is important to understand the ‘normal’ pattern of Harness racing in New Zealand in order to identify industry trends and changes over time. This study describes the pattern of pacing and trotting races in Standardbred racing and highlights factors unique to the Harness racing industry. Differences in track surfaces, gait, region and drivers between the Standardbred and Thoroughbred industry suggest a need for baseline data specific to the Harness racing industry in New Zealand.

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Published online 02 December 2014
Descriptive statistics and the pattern of horse racing in New Zealand: Part One Thoroughbred racing 
Charlotte F. Bolwell, Chris W. Rogers, Erica K. Gee and Sarah M. Rosanowski

It is important to understand the ‘normal’ pattern of Thoroughbred racing in New Zealand in order to identify industry trends and changes. Over the past 7 years Thoroughbred racing has remained relatively consistent in terms of races, starts, and horses involved in racing. These results provide background for future studies of Thoroughbred racing in New Zealand.

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Published online 10 November 2014
Biological defleecing: intravenous infusion of amino acid mixtures lacking lysine and methionine creates a weakened zone in the wool staple, which is amenable to mechanical wool harvesting 
P. I. Hynd, N. M. Edwards, S. Weaver, K. Chenoweth, R. Stobart and N. Heberle

An alternative to manual shearing of sheep is required if the wool industry is to remain competitive with other textile fibres in the marketplace. We demonstrate that it is possible to create a weak zone in wool that can then remain on the animal for several weeks before removal without shearing. This work demonstrates the feasibility of a new approach to wool removal that should be further investigated.

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Published online 31 October 2014
Evaluation of predictive equations developed to assess body composition of F1 Nellore × Angus bulls and steers 
M. A. Fonseca, S. C. Valadares Filho, L. O. Tedeschi, M. L. Chizzotti, M. G. Machado and D. C. Abreu

Individual cattle management systems rely on equations to predict an animal’s body composition and marketing individual animals at the best economical end-point. Such equations must be precise and accurate in a sense to optimise the power of prediction of those systems. Careful evaluation has shown that different types of animals require specific equations or calibration of what it is currently available. Poor forecasting of animals’ profitability could be associated with misconception of the prediction equations chosen in those systems.

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Published online 31 October 2014
Influence of maize particle size on the kinetics of starch digestion in the small intestine of growing pigs 
N. O. Amaral, L. G. M. Amaral, V. S. Cantarelli, E. T. Fialho, M. G. Zangeronimo and P. B. Rodrigues

The digestion rate of starch in the small intestine of pigs can affect the efficiency of nutrient utilisation. This study aimed to evaluate the digestion kinetics of starch, nutrient utilisation and performance of growing pigs fed diets containing corn of different sizes. The smaller corn particle had higher rate of digestion and feed efficiency without impacting the digestibility of starch. This may influence the amino acid requirement of pigs and should be considered in the formulation of diets.

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Published online 28 October 2014
Effects of supplementary bee pollen and its polysaccharides on nutrient digestibility and serum biochemical parameters in Holstein calves 
Yan Tu, Guo-Feng Zhang, Kai-Dong Deng, Nai-Feng Zhang and Qi-Yu Diao

The present study evaluated bee pollen or its polysaccharides as a feed additive in calves. The growth performance, serum biochemical parameters and nutrients apparent digestibility of 14–70-day-old calves were investigated and these showed that dietary supplementation of bee pollen and its polysaccharides at an optimum dosage were of benefit to calves. Bee pollen should be a new additive in a calf’s diet.

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Published online 28 October 2014
Relationship between the concentration of bone morphogenetic protein-15 (BMP-15) and growth differentiation factor-9 (GDF-9) in pre-ovulatory follicles, ovarian cysts and serum in sows 
Tomasz Stankiewicz and Barbara Błaszczyk

In sows, ovarian cysts constitute a significant proportion of ovarian dysfunction and are a serious problem disturbing fertility in pigs. Therefore, studies contributing to more fully explain the pathogenesis of porcine ovarian cysts are very important. Our studies suggest that BMP-15 and GDF-9, which belong to transforming growth factor β (TGF-β), may play a role in the mechanism of the formation of ovarian cysts, and to determine their concentrations in serum may be useful in the diagnosis of ovarian cysts in sows in the future.

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Published online 28 October 2014
Processing and storage of ratite oils affects primary oxidation status and radical scavenging ability 
Suzanne Mashtoub, Darin C. Bennett, Cuong D. Tran and Gordon S. Howarth

Treatments for cardiovascular and gastrointestinal diseases seek to minimise oxidative damage by free radicals through the use of antioxidants such as those found in ratite (flightless birds) oils. The current study identified several factors which may impact the clinical efficacy of Emu Oil including farm location, diet composition, rendering procedures, time of render and duration of storage. Further studies would facilitate standardisation of Emu Oil bioactivity to ensure consistent health benefits.

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Published online 28 October 2014
Modelling the potential of birdsfoot trefoil (Lotus corniculatus) to reduce methane emissions and increase production on wool and prime lamb farm enterprises 
Natalie Doran-Browne, Ralph Behrendt, Ross Kingwell and Richard Eckard

In 2011 the Australian government introduced a voluntary offset scheme called the Carbon Farming Initiative, which allows farmers to receive carbon credits when they reduce greenhouse gas emissions. Lotus corniculatus is a legume that inhibits the formation of methane in the rumen, as well as producing increased wool growth, liveweight gain and fecundity. This study showed that while the use of lotus reduced emissions, income from increased productivity was 15–30 times greater than from potential carbon offset income.

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Published online 28 October 2014
Effects of crude protein level in the concentrate and time allotment on pasture on milk yield, urinary nitrogen, and purine derivative excretion in lactating Latxa ewes 
R. Fernández, A. R. Seradj, L. M. Oregi, A. García-Rodríguez and J. Balcells

In the Basque Country, Spain, dairy sheep production is based on high pasture use. Scarce grass source in the region makes shepherds attempt to balance herbage and forage with concentrates high in protein level to maintain the nutritional requirements of lactating ewes. This study shows a reduction in the protein level of the supplementary concentrate contributed to a reduction in the ration cost and nitrogen waste without a measurable effect on ewe performance or milk yield.

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Published online 21 October 2014
Effect of high temperatures on breeding rabbit behaviour 
Antoni Dalmau, Bernardo Catanese, Oriol Rafel, Pedro Rodriguez, Carmen Fuentes, Pol Llonch, Eva Mainau, Antonio Velarde, Josep Ramón, Ester Taberner, Manel López-Béjar and Miriam Piles

Rabbits find it difficult to cope with high temperatures, especially when housed in typical commercial cages, where mobility is reduced. Changes in physiology and behaviour under controlled conditions of temperature were studied, and results showed that animals can adapt some of their important behaviours, such as grooming, once they could predict the thermal changes.

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Published online 21 October 2014
Heart rate variability: a biomarker of dairy calf welfare 
J. B. Clapp, S. Croarkin, C. Dolphin and S. K. Lyons

Quantifying chronic stress, from pain and suffering, to assess welfare in farmed animals can be elusive, because behavioural observations are highly subjective and emotions of fear are hidden, while levels of the stress hormone (cortisol) are typically normal. Dairy calf welfare is compromised; from stress of early weaning, separation and isolation. We measured these management stressors non-invasively using heart rate variability (HRV) and showed that HRV was a welfare biomarker.

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Published online 21 October 2014
Effect of sex and slaughter weight on meat and fat quality of the Krškopolje pig reared in an enriched environment 
M. Zemva, T. M. Ngapo, S. Malovrh, A. Levart and M. Kovac

Improvements in meat quality are constantly sought through sources of variation along the meat chain, one such source being native pig breeds, which are not only a part of biotic diversity, but also a part of the cultural heritage of many countries. Currently undergoing breed reconstruction, the Krškopolje pig from Slovenia, when raised in an enriched environment for the growing-finishing periods, showed good marbling content and composition. These initial meat quality findings show commercial potential for this breed.

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Published online 21 October 2014
Detection of chromosomal segments underlying scrotal circumference in ram lambs and age at onset of puberty in ewe lambs 
A. K. Esmailizadeh

Scrotal circumference in ram lambs and age at the onset of puberty in ewe lambs are valuable indicators of reproductive development in sheep production. Genomic regions underlying these traits were identified. Future studies targeting these regions may eventually lead to developing DNA tests to assist selection for early onset of puberty in sheep.

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Published online 01 October 2014
Fatty acids composition, cholesterol and vitamin E contents of Longissimus dorsi and Semitendinosus muscles of Suino Nero Lucano pigs slaughtered at two different weights 
Annamaria Perna, Amalia Simonetti, Immacolata Intaglietta and Emilio Gambacorta

The lipid fraction of meat is closely associated with consumer health. In this study the nutritional quality of the lipid fraction of meat from Suino Nero Lucano, an Italian autochthonous pig breed, was evaluated. The meat showed relatively low content of cholesterol and a higher proportion of unsaturated than saturated fatty acids. From our findings, regarding the muscle and the slaughter weight, meat production with specific nutritional characteristics can be hypothesised.

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Published online 01 October 2014
Associative effects of poor-quality forages combined with food industry byproducts determined in vitro with an automated gas-production system 
Franco Tagliapietra, Mirko Cattani, Matteo Guadagnin, Mohamed L. Haddi, Leonardo Sulas, Rosella Muresu, Andrea Squartini, Stefano Schiavon and Lucia Bailoni

In many areas of the Mediterranean region low-quality forages are largely diffused and may represent a potential feed resource for ruminants. The present study evidenced the presence of positive associative effects, with an increased in vitro gas production, when low-quality forages, milk thistle and crown daisy were used in mixtures with apple pomace and citrus pulp. Mixtures of low-quality roughages with food byproducts might represent a strategy to improve profitability and sustainability of livestock systems in arid and semi-arid areas.

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Published online 01 October 2014
Native Australian shrub legume species may provide an alternative feed source for livestock 
P. A. O'Keeffe, D. J. Orchard, B. A. Orchard, J. W. Piltz and E. H. Clayton

Native plants are more tolerant of Australian conditions than introduced species and may provide farmers with an alternative feed source for livestock during times of drought. The nutritional value of 7 out of 15 selected native shrub legumes was found to be adequate for the needs of livestock. These species may be able to be included in low-input livestock grazing systems.

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Published online 01 October 2014
Quality and sensory characteristics of Culatello dry-cured products obtained from the Italian autochthonous pig Suino Nero Lucano and from a modern crossbred pig 
Annamaria Perna, Amalia Simonetti, Immacolata Intaglietta and Emilio Gambacorta

Culatello dry-cured product is one of the most valuable products of Italian gastronomy and it is highly appreciated also at international level. Suino Nero Lucano is an Italian autochthonous pig breed and it represents a cultural and biological heritage that links the typical product to the territory. In this study the quality and sensory characteristics of Culatello dry-cured product obtained from Suino Nero Lucano pigs and from modern crossbreed pigs were investigated. Our results confirm that Suino Nero Lucano pigs represent a resource both for the obtainment of products with high nutritional and sensory value and for promoting the economic development of areas where they are raised.

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Published online 30 September 2014
Effect of calcium salt of fatty acids supplementation on performance of Malpura lambs 
R. S. Bhatt, A. Sahoo, A. K. Shinde and S. A. Karim

Lambs need a high energy ration to support faster growth but in arid and semiarid regions, heat stress is the major setback for achieving desired liveweight gain as it reduced the dry matter intake. Calcium salt of fatty acids (Ca-FA) increase the energy value of feed and are not degraded in the rumen, thereby, not affecting the rumen microbes adversely. The present study envisages the result of supplementation of a graded level of Ca-FA in concentrate on lamb growth and revealed that 40 g/kg Ca-FA prepared from industrial-grade rice bran oil in growing lamb rations improved liveweight gain, organic matter intake and digestibility and metabolisable energy intake during the post-weaning period with higher dressing yield.

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Published online 30 September 2014
Vibrational spectroscopic investigation of heat-induced changes in functional groups related to protein structural conformation in camelina seeds and their relationship to digestion in dairy cows 
N. A. Khan, Q. Peng, H. Xin and P. Yu

This study aimed to reveal protein molecular structure changes induced by moist and dry heating in relation to protein digestion in dairy cows. Compared with dry heating, moist heating significantly decreased protein degradability in the rumen and increased intestinal digestibility of rumen undegraded protein, and these changes were associated with alteration of protein molecular structures. Advance molecular spectroscopy can measure change in protein molecular structures.

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Published online 30 September 2014
SNP included in candidate genes involved in muscle, lipid and energy metabolism behave like neutral markers 
Natalia Sevane, Javier Cañon, John L. Williams, Hubert Levéziel, Alessio Valentini, Susana Dunner and

Reliable estimates of the genetic relationships among populations are important to understand history and selection events in the formation of breeds. Using markers within genes that may be under selection may provide different information from neutral markers. The discriminant resolution power of single nucleotide polymorphisms within candidate genes related with beef production traits was used to evaluate the genetic relationships among bovine breeds. The data showed that there is marker-type specificity in revealing differences in the development of breeds.

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    | Supplementary Material (2.1 MB)
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Published online 30 September 2014
Strategic early treatment for control of sheep flystrike: potential economic benefits examined using a weather-driven model of flystrike risk 
Brian J. Horton

The use of preventive chemical flystrike treatment before flies are active in early spring may restrict reproduction of the sheep blowfly. Modelling suggests that early treatment may reduce flystrike later in the fly season and reduce the need for additional preventive treatment. Further studies are required to determine the extent of the reduction in the risk of flystrike after early treatment.

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Published online 30 September 2014
Comparison between feeding rumen-protected choline and vitamin E on milk yield and blood metabolites in early lactation dairy cows 
Mohammadreza Rahmani, Mehdi Dehghan-banadaky and Romic Kamalyan

Rapid increase in milk production in early-lactation cows leads to reduced dry matter intake, negative energy balance, lipolysis and insulin resistance. Thus, the concentrations of some blood metabolites and enzymes that are indicative of liver function may be altered. Choline and vitamin E supplementation may improve liver function in dairy cows in early lactation.

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Published online 30 September 2014
Nutritive value of wheat concentrated distillers solubles in diets for growing pigs 
P. Rosenfelder, M. Eklund, H. K. Spindler, U. Messerschmidt, C. Potthast and R. Mosenthin

Co-products from the bioethanol industry used as feed for farm animals are receiving considerable attention as worldwide bioethanol production is increasing. There is little information on the nutritional value of wet co-products from bioethanol production as feed for pigs. It can be concluded from the results of this study that wet concentrated distillers solubles manufactured from wheat contain more energy and ileal digestible amino acids than corresponding dried co-products recorded in recognised tables with information on nutritional value of feed ingredients.

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Published online 30 September 2014
Performance of beef Guzerat and Guzerat-cross bulls during the feedlot, and carcass traits of Guzerat-cross groups 
F. B. Diniz, S. D. J. Villela, M. H. F. Mourthé, P. V. R. Paulino, A. V. Pires, R. C. Sousa, L. L. A. Oliveira and P. G. M. A. Martins

Guzerat (Bos indicus breed) animals have been used in crossbreeding programs for either beef, dairy or dual purposes, but studies evaluating their performance and carcass traits are scarce. We evaluated performance, carcass traits and meat cuts of Guzerat-based bulls. Results from this study indicate that all groups evaluated have potential for meat production since they meet the Brazilian beef industry standards, and bulls from a dual-purpose cross can be an option for dairy producers, to diversify revenues.

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Published online 30 September 2014
Body condition score is a critical factor determining the onset of puberty in Blanca Andaluza female goat kids 
L. Gallego-Calvo, M. C. Gatica, I. Celi, J. L. Guzmán and L. A. Zarazaga

The main objective was to determine the role of the body condition score on the onset of goat puberty. We designed an experiment to study the role of the body condition score as modulator of the onset of the puberty. We used Blanca Andaluza goat kids, an endangered native Spanish breed raised for meat production in extensive or semi-extensive grazing systems. The interest in this kind of system has been increased among Spanish farmers in recent years, more specifically for organic livestock. These results could support the goat farmers.

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Published online 30 September 2014
Viability analyses of an endangered donkey breed: the case of the Asinina de Miranda (Equus asinus) 
M. Quaresma, A. M. F. Martins, J. B. Rodrigues, J. Colaço and R. Payan-Carreira

Most European donkey breeds are disappearing and this genetic resource may be lost in a generation. How that happens at breed level is not fully documented, but our study indicates that the most critical factor is the low percentage of females breeding yearly. The percentage needed is ~50% per year, with current carrying capacity, reduced juvenile mortality and mortality at breeding age in females, reduced harvest and reduction in age at first offspring production also important.

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Published online 30 September 2014
Evaluation of dried stoned olive pomace as supplementation for lactating Holstein cattle: effect on milk production and quality 
D. Meo Zilio, S. Bartocci, S. Di Giovanni, M. Servili, A. Chiariotti and S. Terramoccia

A major objective in livestock production is the use of alternative products that are affordable and capable of enhancing quality and healthiness of food. Dried stoned olive pomace (DSOP) is a by-product from olive oil production and represents an interesting item. Our aim was to evaluate productive performance and milk quality of dairy cattle fed DSOP; the experimentation suggested that DSOP is a good ingredient for lactating cows. In conclusion, olive oil residue is a resource for feeding ruminants and not a waste product.

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Published online 25 September 2014
Effect of climate variability on pasture-based dairy feeding systems in south-east Australia 
Şeyda Özkan, Julian Hill and Brendan Cullen

Variability in climate affects plant growth, leading to uncertainty in pasture supply. Modelling the impact of climate variability on pasture production in this study revealed varying levels of feed deficits and surpluses, reflecting the incorporation of summer and winter crops into a traditional pasture-based system. Alternative feeding strategies with high-quality feed are a prerequisite to overcome feed gaps in dairying.

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Published online 23 September 2014
The value of research: using the Impact Tool to evaluate realised and anticipated benefits of the Cooperative Research Centre for Beef Genetic Technologies 
G. R. Griffith and H. M. Burrow

The Beef CRC operated for its third successive 7-year term from July 2005 to June 2012. The purpose of this paper is to determine how well the third-term Beef CRC met its objectives, at the end of its funding period, using the Impact Tool. Based on estimated NPVs and BCRs, investing in the Beef CRC is expected to have been profitable. The paper concludes with some lessons learnt from working with the Impact Tool.

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Published online 18 September 2014
The movement pattern of horses around race meetings in New Zealand 
S. M. Rosanowski, C. W. Rogers, C. F. Bolwell and N. Cogger

In New Zealand, the speed at which an infectious disease could spread through the horse population would be economically devastating, particularly for participants of the racing industry. In an outbreak, prior knowledge about the potential pathways of spread enables control to be one step ahead of disease. This descriptive study highlights the potential importance of racehorses in disease spread as a result of the frequency and distance associated with the movement of horses to race meetings.

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Published online 18 September 2014
Evaluation of fructosamine as a new biomarker for diagnosis of hepatic lipidosis in dairy cows 
Masoud Mostafavi, Hesam A. Seifi, Mehrdad Mohri and Abdullah Jamshidi

Fatty liver is a significant metabolic disorder in the dairy industry and a major risk factor for decreased average lifetime of cows. We investigated how the measurement of serum fructosamine, as a non-invasive diagnostic tool, could aid the early diagnosis of hepatic lipidosis. Our results indicate that the measurement of fructosamine could facilitate the diagnosis of fatty liver in dairy cows.

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Published online 17 September 2014
Comparison of water buffalo (Bubalus bubalis) with crossbred and purebred Brahman cattle for growth performance on savannah and slaughter traits at four ages in Venezuela 
A. Rodas-González, N. Huerta-Leidenz, A. Vidal, O. Colina, J. Lopez and R. Rodriguez

This trial provides a fair comparison between Murrah crossbred water buffalo and Brahman-influenced cattle, raised under savannah conditions, in growth and slaughter traits at four age endpoints (7, 17, 19 and 24 months). Buffalo had lower dressing yield but consistently outperformed cattle in growth and carcass traits. Buffalo may offer advantages for meat production under extensive tropical conditions.

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Published online 17 September 2014
A review of the genetic and non-genetic factors affecting extended lactation in pasture-based dairy systems 
Mary Abdelsayed, Peter C. Thomson and Herman W. Raadsma

Over the past 50 years, selection of cows with high milk production potential has increased, and with this increase has come decreases in reproductive performance. As a management option, superior-yielding cows that have failed to get into calf in a traditional 12-month calving system may be carried over and milked continuously for another 6 months (18–month calving system) instead of being culled. This review provides information and insight on what is currently known about extended lactation; examines the potential for genetic improvement; and details both genetic and non-genetic factors that need to be considered when selecting cows suitable for extended lactation, targeting especially Australian pastured systems. Such findings will help the dairy industry make better selection decisions when breeding for extended lactation and provide breeding tools to help achieve this.

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    | Supplementary Material (77 KB)
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Published online 15 September 2014
Plane of nutrition of Corriedale ewe lambs from foetal life to the onset of breeding affects weight at service and reproductive outcome 
L. Piaggio, H. Deschenaux, F. Baldi, S. Fierro, G. Quintans and G. Banchero

Sheep managed on native pastures are exposed to heterogeneous species of grasses with different distribution and quality, which frequently render lambs unable to reproduce in their first year of age. This experiment evaluated differential nutrition at three different stages during female lambs’ first year of life. From the phases studied, growth rate after weaning and liveweight achieved at the onset of breeding better explained the successful pregnancy of ewe lambs.

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Published online 15 September 2014
A new simple method for estimating the pork carcass mass of primal cuts and lean meat content of the carcass 
Dariusz Lisiak, Kamil Duziński, Piotr Janiszewski, Karol Borzuta and Damian Knecht

There is no simple, affordable method to determine the size of primal cuts of lean meat using linear measurements. The aim of this study was the development of equations to predict lean meat content, and masses of ham, loin, shoulder and belly. Equations were developed for estimating meat content with greater accuracy than most classification devices. Based on simple measurements, these equations may obtain valuable information for the meat industry.

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Published online 15 September 2014
Lactoferrin gene variants, their expression in the udder and mastitis susceptibility in dairy cattle 
Adrianna Pawlik, Grażyna Sender, Magdalena Sobczyńska, Agnieszka Korwin-Kossakowska, Henryka Lassa and Jolanta Oprządek

One of the proposed methods of dairy cattle udder inflammation control is the selection of animals less prone to infection by using genetic markers. The study’s aim was to investigate the feasibility of two single nucleotide polymorphisms, placed in the 5′-flanking region and 3′-untranslated region of the bovine lactoferrin gene, to serve as mastitis markers. It was shown that both polymorphisms significantly influence lactoferrin content in milk, and that one of them (LF+32) is associated with the cow’s estimated breeding value for somatic cell count and could potentially be used as a molecular marker for mastitis resistance in dairy cows.

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Published online 15 September 2014
Effects of large or small furnished cages on performance, welfare and egg quality of laying hens 
Fanyu Meng, Donghua Chen, Xiang Li, Jianhong Li and Jun Bao

Furnished cage type is concerned with productivity, welfare and egg quality of lying hens. The effects of large and small furnished cages on layer hens were studied and the results showed that the hens in LFC had lower productivity, higher egg quality and better welfare than those in SFC and CC. The study provided further information for furnished cage design.

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Published online 15 September 2014
Dietary phosphate equivalence of four forms of Pi contrasted with a novel microbial phytase from Citrobacter braakii in broiler chickens 
A. J. Cowieson, F. Fru-Nji and O. Adeola

Broiler diets are typically formulated to either available or digestible phosphorus concentrations and in many cases these two terms are used synonymously. However, available phosphorus is a relative term that is dependent on a reference inorganic phosphorus source and so can vary. The present experiment assessed the relative digestibility of various inorganic phosphorus sources, observed differences in bioefficacy and provided contrasting information for diet design and phytase inclusion strategies.

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Published online 15 September 2014
Effect of fescue toxicosis on whole body energy and nitrogen balance, in situ degradation and ruminal passage rates in Holstein steers 
A. F. Koontz, D. H. Kim, K. R. McLeod, J. L. Klotz and D. L. Harmon

Fescue toxicosis results in decreased growth in livestock and is a major economic problem for producers. This study indicates that despite subtle changes in metabolism occurring feed intake and not feed utilisation is the major cause of the decreased growth that occurs during toxicosis. Factors that contribute to the decreased intake must be overcome to alleviate this syndrome.

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Published online 15 September 2014
Gossypol was not detected in the longissimus muscle of lambs fed several forms of cottonseed 
P. G. Viana, P. M. T. Lima, T. P. Paim, J. R. Souza, A. M. M. Dantas, E. F. Pereira, V. Gonçalves, C. McManus, A. L. Abdalla and H. Louvandini

Cottonseed by-products are alternative feedstuffs that may be successfully fed to ruminants; however, their use is limited by gossypol, a toxic compound present in the cottonseed plant that affects animals and humans. This study evaluated productive and health parameters, as well as the presence of gossypol residues in the meat of lambs fed cottonseed by-products. The results obtained were satisfactory and no gossypol residues were found in meat, demonstrating the potential of these by-products as feedstuffs for lambs.

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Published online 15 September 2014
Dietary supplementation with sunflower seeds and vitamin E for fattening lambs improves the fatty acid profile and oxidative stability of the Longissimus lumborum 
Fabiana Alves de Almeida, Américo Garcia da Silva Sobrinho, Gabriela Milani Manzi, Natália Ludmila Lins Lima, Viviane Endo and Nivea Maria Brancacci Lopes Zeola

The inclusion of oil seeds in the diet of ruminants can improve the health quality of their meat. This was verified when we supplemented fattening lambs with sunflower seeds and vitamin E; the lamb meat had a higher amount of polyunsaturated fatty acids. Considering the current demand for healthy food, inclusion of these ingredients in the lamb diet is advantageous.

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Published online 15 September 2014
Polymerisation effects of four microsatellites on litter size in Xinong Saanen goats 
J. X. Hou, J. G. Wang, X. P. An, G. Q. Zhu and B. Y. Cao

In the goat industry, litter size is extremely important. Polymerisation effects of four microsatellites (OarAE101, BM1329, BM143 and LSCV043) significantly affected litter size of goats. The four microsatellites could serve as a genetic marker for litter size in goat breeding.

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    | Supplementary Material (76 KB)
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Published online 01 September 2014
Good science for improving policy: greenhouse gas emissions from agricultural manures 
Chris Pratt, Matthew Redding, Jaye Hill, Andrew Shilton, Matthew Chung and Benoit Guieysse

Agricultural manures have been thought to be a relatively minor greenhouse gas (GHG) emission source within Australasia’s agricultural sector. However, our review revealed omissions and assumptions in current manure emission GHG estimates that, when accounted for, could mean that manures are indeed a major GHG emission source. The encouraging news is that several ‘close-to-market’ options exist to mitigate these emissions.

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Published online 12 August 2014
Effect of conception date and hind nutrition on fetal growth trajectory and gestation length of red deer (Cervus elaphus) 
I. C. Scott, G. W. Asher, N. Jopson, N. Cox, J. A. Archer, D. R. Stevens and G. K. Barrell

In farmed venison production systems in New Zealand, early summer calving often results in a misalignment between pasture availability and energy demand of the lactating hind. Attempts to achieve early calving by advancing conception date are partly mitigated by a negative association between conception date and gestation length. This study has demonstrated that gestation length is shortened in hinds that receive an ad libitum diet of high quality food during the third trimester of gestation.

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Published online 12 August 2014
A comparison of growth, carcass traits, and tissue composition of ‘Segureña’ lambs raised either in an extensive production system or an intensive one 
E. Armero and A. Falagán

Current society shows an increasing interest in traditional production systems: related to rural development, animal welfare and healthier products. The aim of this work was to raise ‘Segureña’ lambs on pasture with salt-tolerant forages, however lambs showed lower growth rate and carcasses with poorer conformation scores than those raised in an intensive system. Supplementation with concentrates in grazing systems seems to be necessary to improve lambs’ performance in semiarid regions.

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Published online 26 June 2014
Productivity results and physiological response of the gastrointestinal tract of rabbits fed diets containing rapeseed cake and wheat distillers dried grains with solubles 
A. Gugołek, J. Juśkiewicz, P. Wyczling, D. Kowalska, J. Strychalski, M. Konstantynowicz and C. Zwoliński

Biofuel industry generates vast amounts of plant by-products, including rapeseed cake (RC) and distillers dried grain with solubles (DDGS). The aim of study was to determine whether RC and wheat DDGS can be used as components of diets for rabbits. Our study demonstrated that 5% RC can be incorporated into rabbit dietary as a substitute of soybean meal. Because the productivity of rabbits fed 2.5% of DDGS (with 2.5% RC) was comparable to the 5% RC, the incorporation of up to 2.5% wheat DDGS to a diet should also be taken as a dietary option. The higher content of DDGS (5%) in the diet deteriorated the growth of rabbits.

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Published online 26 June 2014
Impact of simulated heat stress on growth, physiological adaptability, blood metabolites and endocrine responses in Malpura ewes under semiarid tropical environment 
S. Indu, V. Sejian and S. M. K. Naqvi

The study was conducted to observe the impact of simulated heat-stress model on productive and adaptive capability of Malpura ewes. Compared with constant heat-stress models, the simulated model inflicts less severe physiological strain as evidenced by relatively lower changes in the heat-stress markers such as RR, RT and plasma cortisol. However, their growth and reproductive performance are compromised during the process of adaptation.

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Published online 26 June 2014
Source and frequency of dry season lipid supplementation of finishing grazing cattle 
Márcia Cristina Araújo Santana, Bruno Ramalho Vieira, Diogo Fleury Costa, Paulo Henrique Moura Dian, Giovani Fiorentini, Roberta Carrilho Canesin, Gener Tadeu Pereira, Ricardo Andrade Reis and Telma Teresinha Berchielli

This paper is about the inclusion of ingredients of soybean origin in supplements and the frequency of supplementation of grazing cattle during the drier periods of the year, evaluating the effects on animal performance. The main finding was that frequency of supplementation did not affect the weight gain of cattle, but suggested that supplementation could be done 3 days a week opposed to daily, and would decrease production costs.

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Published online 13 June 2014
Establishment of optimum regression model and determination of relationships between body measurements and slaughter traits in Japanese quails by path analysis 
Fatih Uckardes, Dogan Narinc and Hande Kucukonder

Path analysis was used to investigate effects of some morphological measurements on slaughter and carcass traits. The direct effect of bodyweight on carcass weight was the strongest and positively influenced (P < 0.01). Finally, the optimum multiple regression equation on carcass weight was found bodyweight as R2 of 0.7463.

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Published online 13 June 2014
Effects of weaning beef cattle in two stages or by abrupt separation on nasal abrasions, behaviour, and weight gain 
Christian Lambertz, Peter R. Bowen, Georg Erhardt and Matthias Gauly

As an alternative to traditional weaning by abrupt separation, weaning beef calves in two stages by fitting nose flaps to prevent nursing before the final separation might reduce the stress response. Although two-stage weaning positively influenced the post-weaning behaviour of the calves and cows, the devices caused heavy irritations of the nasal septum. Therefore, the design of the anti-suckling devices and the period the devices are fitted should be modified in order to minimise nasal abrasions.

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Published online 13 June 2014
Evaluating rates of technology adoption and milking practices on New Zealand dairy farms 
J. P. Edwards, B. T. Dela Rue and J. G. Jago

Milk harvesting is a fundamental component of dairy farming, requiring significant labour input. Consequently, with increasing herd sizes, there is a constant drive to improve milking efficiency. Explaining differences in milking efficiency by monitoring milking practices and the adoption of new technologies can, therefore, be beneficial to the industry. The results of this work indicate the use of technology was associated with greater labour efficiency but the potential benefits of each technology require careful evaluation to ensure appropriate selection decisions are made by farmers to meet their requirements.

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Published online 13 June 2014
Evaluation of the efficacy of sequential or continuous administration of probiotics and phytogenics in broiler diets 
K. C. Mountzouris, P. Tsirtsikos, G. Papadomichelakis, G. Schatzmayr and K. Fegeros

The search for solutions to safeguard animal performance and health while reducing antibiotic usage currently attracts worldwide interest. While certain feed additives such as probiotics and phytogenics show promising results, tailoring additive combinations as part of an overall efficacious dietary strategy is largely undeveloped. Our results support the concept of sequential or throughout probiotic and phytogenic administration as being beneficial for broiler performance and broiler antioxidant status, worth of further investigation.

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Published online 27 May 2014
Age and season effects on quality of diets selected by Criollo crossbred goats on rangeland 
Leticia Gaytán, Abdel-Fattah Z. M. Salem, Alvaro Rodríguez, Jose E. García, Jose R. Arévalo and Miguel Mellado

In the arid zones of Mexico young kids graze/browse together with their mothers on rangeland. It is unknown if goat kids discern between forages, therefore the aim was to find out if 4-week-old goat kids display an efficient foraging behavior. Kids ingested a diet richer in nutrients than mature goats; thus, herbage selection seems to be shaped by physiological effort.

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Published online 27 May 2014
Effects of feeding various levels of full fat soybean extruded at high temperature on performance, serum components and intestinal morphology of broiler chickens 
Safa Zhaleh, Abolghasem Golian, Seyed Ali Mirghelenj, Avisa Akhavan and Abdollah Akbarian

The present paper reports on application of extruded full fat soybean (EFFSB) in broiler diet to identify its potential toward improving production performance criteria. The FFSB extruded at 170°C had acceptable protein solubility in KOH, indicating a good EFFSB. The latter in turn indicates an optimum balance between degradation of ANFs and maintaining the bioavailability of essential amino acids, hence having the potential to exert positive effect on blood metabolites and intestinal morphology of broilers at market age.

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Published online 20 May 2014
Effects of black seed oil and Ferula elaeochytris supplementation on ruminal fermentation as tested in vitro with the rumen simulation technique (Rusitec) 
F. Klevenhusen, K. Deckardt, Ö. Sizmaz, S. Wimmer, A. Muro-Reyes, R. Khiaosa-ard, R. Chizzola and Q. Zebeli

Plant extracts in ruminant diets might have beneficial effects on nutrient degradation in the rumen while mitigating methane production. In this study the main bioactive components of black seed (Nigella sativa) oil and of the root powder of Ferula elaeochytris were identified and their effects were investigated in an incubation system. No significant changes on nutrient degradation and methane formation were observed, possibly depending on the low dosages tested.

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Published online 20 May 2014
Welfare of recently weaned piglets transported on unpaved roads: the effect of age and the use of straw bedding 
P. Roldan-Santiago, D. Mota-Rojas, H. Orozco-Gregorio, F. Borderas-Tordesillas, R. Martínez-Rodríguez, P. Mora-Medina, S. Flores-Peinado, M. Sánchez-Hernández and M. E. Trujillo-Ortega

At weaning, the welfare of piglets may decrease because they are exposed to several stressors.

The objective was to assess the physiological response of piglets weaned at three different ages under two different trip conditions. Piglets transported immediately after weaning at Ages 8, 15 and 22 days present significant metabolic, hydric and gas exchange imbalances.

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Published online 20 May 2014
Effect of different concentrations of trehalose and glycerol on the freezability of ram semen using soybean lecithin-based diluents 
Zh. Bohlool, M. Mohammadi, M. Roostaei-Ali Mehr and N. Ghavi Hossein-Zadeh

To improve the spermatozoa fertility, cryodamages must be decreased by using suitable diluents and cryopreservation. Therefore, the aim of this study was to investigate the effect of different levels of trehalose and glycerol on the freezing process of ram semen, when lecithin is used as cryoprotectant. It was concluded that simultaneous use of glycerol and trehalose had a desirable effect on motility of ram frozen–thawed sperm.

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Published online 20 May 2014
Re-used progesterone devices efficiently synchronise oestrus and ovulation after autoclaving process in Toggenburg goats during the breeding season 
J. M. G. Souza-Fabjan, C. A. A. Torres, A. L. R. S. Maia, F. Z. Brandão, E. Oba, M. J. Bertoldo and J. F. Fonseca

As protocols for oestrus synchronisation shortened the time of exposure to progesterone, CIDR devices were able to be reused; however, they can be a health risk. This study demonstrated that new and previously used (and autoclaved) devices are equally effective for synchronisation of oestrus and ovulation during the breeding season in goats. This approach decreases the cost of oestrus synchronisation program and makes it more economically feasible for producers.

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Published online 20 May 2014
Possible involvement of myo-inositol in the physiological response of broilers to high doses of microbial phytase 
A. J. Cowieson, R. Aureli, P. Guggenbuhl and F. Fru-Nji

Although myo-inositol is proportionately equivalent to phosphorus in phytic acid, its contribution to the observed beneficial effects of phytase in poultry and swine nutrition is obscure. Evidence is presented herein to show substantial increases in myo-inositol concentrations in the plasma of poultry in response to phytase addition. As myo-inositol has recently been shown to be an insulin-mimetic, links between insulin pathways, glucose uptake, protein accretion and exogenous phytase are drawn.

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Published online 20 May 2014
Effect of soybean roasting and monensin on microbial protein synthesis, ruminal parameters and plasma metabolites of lactating dairy cows 
E. Abdi, F. Fatahnia, M. Dehghan Banadaki, A. Azarfar and S. G. Mosavi

Rumen degradation of dietary proteins should be minimised using appropriate feed additives and/or technological processing. We hypothesised that supplementing dairy cow ration with monensin and roasting whole soybean seed improves microbial protein synthesized in the rumen; however, such an effect was not observed in the present study. Interactions between the type of technological processing and monensin supplementation should be further investigated

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Published online 20 May 2014
Mediterranean river buffalo CSN1S1 gene: search for polymorphisms and association studies 
G. Cosenza, A. Pauciullo, N. P. P. Macciotta, E. Apicella, R. Steri, A. La Battaglia, L. Jemma, A. Coletta, D. Di Berardino and L. Ramunno

The αs1-casein is the most polymorphic milk protein and its genetic variants influence the quali-quantitative characteristics and the technological properties of the milk. This study investigates the genetic variability at the CSN1S1 in the Mediterranean buffalo. A significant association between the c.628C>T SNP and the protein percentage was found. This result offers useful indications for future applications of marker-assisted selection programmes.

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Published online 15 May 2014
Effects of two different forage sources on mammary gland growth, mammary cell turnover and activity in early lactation dairy cows 
Tong Qin, Haoyu Wang, Dengpan Bu, Haisheng Hao, Dong Wang and Huabin Zhu

The forage system is critically important to lactation performance in dairy cows. Our results suggested that the expression of IGF-1R in the mammary glands and the number of mammary cells is significantly affected by forage system, and this is closely related to the milk production in early lactation cows. This research provided the basis for better understanding of the molecular mechanisms of lactation regulation.

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Published online 15 May 2014
Micro-encapsulated sodium butyrate attenuates oxidative stress induced by corticosterone exposure and modulates apoptosis in intestinal mucosa of broiler chickens 

Under the conditions of intensive farming, it is very important to improve poultry health. The aim of this study was to investigate the effects of micro-encapsulated sodium butyrate (MSB)on oxidative stress and apoptosis in the intestinal mucosa of broilers and the main discovery was that dietary MSB can partially attenuate oxidative stress induced by corticosterone treatment and inhibit apoptosis of intestinal epithelial cells. This could confirm again that nutritional regulation of pre-slaughter stress through feed additives may provide a simple way to improve poultry health.

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Published online 08 May 2014
Dietary chromium picolinate of varying particle size improves carcass characteristics and insulin sensitivity in finishing pigs fed low- and high-fat diets 
A. T. Hung, B. J. Leury, M. A. Sabin, T. F. Lien and F. R. Dunshea

The effects of Cr in pigs have been equivocal. The aim of this study was to evaluate the effects of different-sized particles of CrPic in gilts; the results showed that small-sized particles CrPic improves carcass characteristics when pigs fed a high fat diet. Dietary supplement with small-sized particle CrPic can provide beneficial effects, particularly in high-fat diets.

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Published online 08 May 2014
The effects of chronic nitrate supplementation on erythrocytic methaemoglobin reduction in cattle 
I. Godwin, L. Li, K. Luijben, N. Oelbrandt, J. Velazco, J. Miller and R. Hegarty

Cattle fed nitrate risk methaemoglobinaemia, but with chronic feeding their red cells increase their ability to reduce methaemoglobin. In vitro studies suggest that phosphate plays a role in aiding the reduction of methaemoglobin and that the metabolic endpoint of red cells changes to maximise substrate availability for methaemoglobin reduction. It appears that both the animal and its rumen microbes adapt to nitrate feeding.

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Published online 08 May 2014
Association of carcass weight with quality and functional properties of beef from Hanwoo steers 
Dinesh D. Jayasena, Ki Chang Nam, Jong Ju Kim, Hyeonju Ahn and Cheorun Jo

Beef producers in Korea try to increase marbling in beef muscles due to higher consumer demand towards such meat. Increasing marbling through extended feeding eventually burdens stakeholders of the beef industry and this study showed that medium (375–425 kg) carcass weight was optimal for achieving superior beef quality. Medium carcasses provide more health benefits at lower cost.

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Published online 08 May 2014
Effects of duration of salt supplementation of sheep on rumen metabolism and the accumulation of elements 
Clive J. C. Phillips, Mohamed O. Mohamed and Paul C. Chiy

Excess salt in the sheep’s diet can impair digestion, but they may adapt to high concentrations in plants by reducing absorption. We found no evidence of adaptation, in fact their rumen developed a reduced ability to maintain a normal pH over time, with implications for accumulation of some elements in the brain and kidney. Thus farmers should beware exposing their sheep to high salt in their feed for prolonged periods.

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Published online 08 May 2014
An animal house study on utilisation of fresh tedera (Bituminaria bituminosa var. albomarginata and crassiuscula) by Merino wethers 
C. M. Oldham, D. Wood, J. Milton, D. Real, P. Vercoe and A. J. van Burgel

Bituminaria bituminosa is a drought-tolerant, perennial legume that has been used for centuries as a part of the mixed sward in grazing systems around the Mediterranean sea and ‘cut and carried’ to feed as hay to dairy goats in the Canary Islands; varieties albomarginata and crassiuscula, commonly known as tedera, are native only to the Canary Islands. In south-western Australia, tedera will likely be directly grazed as green plants to help fill the feed gap in summer–autumn, due to its drought tolerance and capacity to retain green leaves. . Sheep fed fresh tedera exclusively for 34 days readily consumed the forage and remained in good health, they maintained their liveweight (42.5 kg) and body condition (condition score 3) throughout the experiment.

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Published online 05 May 2014
Selection for residual feed intake affects appetite and body composition rather than energetic efficiency 
D. S. Lines, W. S. Pitchford, C. D. K. Bottema, R. M. Herd and V. H. Oddy

Feed costs are the largest single cost in any animal production enterprise with improvements in feed efficiency able to reduce feed costs. This study aimed to understand the basis for feed efficiency measured by residual feed intake and variation in maintenance requirements. The results obtained suggest that body composition, specifically fat deposition, is affected through inherent differences in feed intake or appetite rather than maintenance requirements.

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Published online 01 April 2014
Correlations among various blood parameters at exsanguination and their relationships to pork quality traits 
J. H. Choe, M. H. Choi, Y. C. Ryu, K. S. Lim, E. A. Lee, J. H. Kang, K. C. Hong, S. K. Lee, Y. T. Kim, S. S. Moon, K. W. Lee, M. S. Rhee and B. C. Kim

Measuring blood stress indicators could be useful for improving animal welfare and meat quality. The current study measured various blood parameters from pigs under the standard pre-slaughter conditions using a portable analyser. Higher levels of blood lactate and glucose correlated with decreased pork quality. Therefore, measuring blood lactate and glucose could easily and quickly provide information about pork quality.

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Published online 28 March 2014
Whole-grain feeding for chicken-meat production: possible mechanisms driving enhanced energy utilisation and feed conversion 
Sonia Yun Liu, Ha H. Truong and Peter H. Selle

Whole-grain feeding regimes for chicken-meat production provide economic advantages by reducing feed costs while generating improvements in energy utilisation and feed conversion efficiency; however, the genesis of the performance improvements are not defined. The present paper considers the contexts in which these responses may be best realised. Identifying the drivers will enable the most appropriate WGF strategies to be adopted.

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Published online 28 March 2014
Monthly metabolisable energy feed requirements of crossbred ewes in accelerated and traditional lamb production systems 
N. M. Fogarty

Accelerated lambing potentially increases biological efficiency of lamb production and affects seasonal patterns of feed requirements. Metabolisable energy requirements were used to calculate dry sheep equivalents (DSE) and showed that crossbred ewes in accelerated lambing weaned 16–47% greater weight of lamb per DSE over 4 years than ewes in traditional systems. The increased efficiency of accelerated lambing requires a more consistent feed supply throughout the year.

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Published online 25 March 2014
Furanocoumarins in tedera do not affect ruminal fermentation in continuous culture 
M. H. Ghaffari, Z. Durmic, D. Real, P. Vercoe, G. Smith and C. Oldham

Tedera is a perennial pasture containing secondary compounds that has the potential to be utilised in the farm systems during the summer-autumn feed gap and reducing supplementary feeding. In our study, we showed that tedera was fermented without any adverse effects on digestibility or fermentability. These findings give further support for pursuing tedera as a fodder for growing regions of Australia.

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Published online 20 March 2014
Combining wavelet and linear-regression methods to model the effect of available forage on daily grazing and lying activity of mature Bos indicus cows during summer months 
M. S. Gadberry, W. Whitworth and G. Montgomery

Wavelet and linear regression methods were used to model time-of-day changes in behaviour due to available forage. The study concluded decreasing forage availability resulted in greater lying activity from 1000 to 1300 and greater grazing activity from 1300 to 2100. Understanding the dynamics between forage supply and behaviour could provide decision tools incorporating behaviour into drought management decisions.

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Published online 07 March 2014
Genetic and phenotypic parameter estimates for growth traits of Hainan Black goat in southern China 
Han-Lin Zhou, Li-Hong Gu, Yan-Yan Sun, Tie-Shan Xu and Guang Rong

Knowledge of genetic parameters of economic traits is very crucial to breeding plans. However, there is no information on genetic parameter estimates for many traits of Hainan Black goats. In this study, we estimated the genetic parameters of growth traits of Hainan Black goats using two different animal models of MTDFREML software. The results would greatly improve the breeding plans of Hainan Black goats.

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Published online 07 March 2014
Influence of method of wheat inclusion and pellet diameter on performance, nutrient utilisation, digestive tract measurements and carcass characteristics of broilers 
Y. Singh and V. Ravindran

The influence of pellet diameter and whole wheat inclusion on gizzard development and performance of broilers was investigated. Whole wheat and larger diameter pellets increased the energy utilisation and starch digestibility, but gizzard weights differed depending on the method of whole wheat inclusion. The data showed that improvements associated with whole wheat feeding cannot always be explained on the basis of gizzard development.

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Published online 07 March 2014
Influence of dietary flavours on sheep feeding behaviour and nutrient digestibility 
J. J. Villalba, A. Mereu and I. R. Ipharraguerre

Ruminants ingest a diversity of forages, but in intensive feeding systems they are commonly fed single rations or pastures. The present study suggests that a diversity of flavours presented in the same ration has the potential to stimulate intake and alter eating behaviour in sheep. These effects may in turn contribute to enhance animal production and welfare.

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Published online 25 February 2014
Genetic divergence in residual feed intake affects growth, feed efficiency, carcass and meat quality characteristics of Angus steers in a large commercial feedlot 
R. M. Herd, P. F. Arthur, C. D. K. Bottema, A. R. Egarr, G. H. Geesink, D. S. Lines, S. Piper, J. P. Siddell, J. M. Thompson and W. S. Pitchford

The cost of feed is the largest recurring cost of producing beef. Inherited variation in feed efficiency is known and this experiment was to demonstrate the benefit in a large commercial feedlot of breeding cattle for improved feed efficiency. The results obtained confirm the feed saving advantages of inherited superior feed efficiency and that previously reported trade-offs in carcass traits, while confirmed, were minor.

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Published online 25 February 2014
Assessing the efficiency of using a modern hybrid rye cultivar for pig fattening, with emphasis on production costs and carcass quality 
Tomasz Schwarz, Wiktor Kuleta, Artur Turek, Ryszard Tuz, Jacek Nowicki, Bartosz Rudzki and Pawel M. Bartlewski

The primary goal of this study was to assess the usefulness of rye-containing dry mixes (modern rye cv. Visello) for pig fattening. Feeding the mixes in which a proportion of barley was replaced with the rye grain has yielded significantly better results than barley-containing diets in terms of carcass quality and price. These observations warrant further studies of different rye cultivars to determine their utility in intensive pig farming.

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Published online 21 February 2014
The association between polymorphism of the GH1 gene and changes in protein structure and carcass traits in Mehraban sheep (Ovis aries) 
A. Bahrami, S. R. Miraei-Ashtiani, H. Mehrabani-Yeganeh, H. Banani-Rad and Sh. Behzadi

We report the identification of five SSCP patterns in the sheep GH1 gene. The present study suggests a positive effect of SSCP patterns with carcass traits. We report the identification of two different protein structures in the GH1 protein. The identified SNPs in the GH1 gene could be used as molecular markers.

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Published online 21 February 2014
Comparison of the meat quality, post-mortem muscle energy metabolism, and the expression of glycogen synthesis-related genes in three pig crossbreeds 
H. G. Lei, L. Y. Shen, S. H. Zhang, Z. H. Wu, J. Shen, G. Q. Tang, Y. Z. Jiang, M. Z. Li, L. Bai, X. W. Li and L. Zhu

Pork makes a major contribution to worldwide meat consumption, and ways of improving meat quality are imperative. Variation in the rate of post-mortem pH decline is an important reason for variation in meat quality, but the mechanisms involved are not clear. In our research, we found that post-mortem energy status and metabolism might be important factors in the conversion of muscle to meat and might be important determinants of ultimate meat quality.

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Published online 18 February 2014
Mineral supplementation of lambing ewes grazing dual-purpose wheat 
S. R. McGrath, M. S. Bhanugopan, H. Dove, E. H. Clayton, J. M. Virgona and M. A. Friend

Dual-purpose wheat may be grazed by late-pregnant and lactating ewes during the winter in southern Australia. Results from two experiments with ewes grazing wheat crops during the lambing period identified that wheat forage may contain insufficient calcium, magnesium and sodium to meet ewe requirements. Providing a loose-lick mineral supplement to ewes can increase liveweight gain in twin-born suckling lambs.

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Published online 18 February 2014
Industry benefits from using genomic information in two- and three-tier sheep breeding systems 
B. J. Horton, R. G. Banks and J. H. J. van der Werf

A model of the sheep breeding industry examined the value of genomic information in sheep breeding programs. Benefits can be obtained by both the traditional three-tiered wool industry structure and studs using genomic information and selling directly to commercial producers, with most of the benefits retained by the commercial producers. The proportion of nucleus rams that use genetic tests must be optimised to achieve the maximum economic benefit.

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Published online 18 February 2014
Influence of cardamom essential oils and seeds on growth performance, blood characteristics and immunity of broilers 
Mosa Omidi, Kamran Taherpour, Javad Cheraghi and Hossein A. Ghasemi

The application of herbs and spice products as alternatives to antibiotics in raising broilers is receiving attention. The aim of this study was to evaluate the effect of cardamom seed and its essential oils on broilers and the results suggested that high levels of cardamom essential oils benefited feed efficiency and cholesterol metabolism. This could meet consumer demand for a safe feed additive.

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Published online 14 February 2014
Spirulina (Spirulina platensis) algae supplementation increases microbial protein production and feed intake and decreases retention time of digesta in the rumen of cattle 
T. Panjaitan, S. P. Quigley, S. R. McLennan, A. J. Swain and D. P. Poppi

Algae are a novel protein source which could be grown on farm to provide a cheap protein supplement to cattle. Algae were compared to urea and sulfur as a nitrogen supplement and markedly increased intake and microbial protein production in cattle, more so than a simple urea and sulfur supplement. Algae are thus a new protein supplement which has the potential to markedly increase liveweight gain of cattle.

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Published online 11 February 2014
Effects of low protein diets on performance of pigs with a lean genotype between 40 and 115 kg liveweight 
L. Bunger, N. R. Lambe, K. McLean, G. Cesaro, G. A. Walling, H. Whitney, S. Jagger, P. Fullarton, C. A. Maltin and J. D. Wood

Effects of reduced dietary protein on performance and nitrogen (N) excretion were assessed to reduce the environmental impact of pig production. Pigs were given a control diet or a diet with reduced protein content, either with (LP1) or without (LP2) amino-acid supplementation. Compared with the control, N excretion was reduced (~18%) in LP1 and LP2, but the feed-conversion ratio was poorer, as was growth in LP2, but not LP1. This indicates the difficulty in maintaining consistently high performance when dietary protein levels are reduced.

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Published online 11 February 2014
Ewe lamb diet selection on plantain (Plantago lanceolata) and on a herb and legume mix, including plantain, chicory (Cichorium intybus), red clover (Trifolium pratense) and white clover (Trifolium repens) 
L. M. Cave, P. R. Kenyon, S. T. Morris, N. Lopez-Villalobos and P. D. Kemp

Within mixed swards containing herbs and legumes, little is known about ewe grazing preference. Ewe diet selection and grazing preference was found to be intrinsically affected by species availability, access and palatability across seasons. Overall, a herb and legume sward may allow livestock to preferentially select specific plants to meet their nutritional requirements at a given time point.

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Published online 11 February 2014
Effect of dietary inclusion level of a multi-species probiotic on broiler performance and two biomarkers of their caecal ecology 
Konstantinos C. Mountzouris, Irida Palamidi, Panagiotis Tsirtsikos, Michaela Mohnl, Gerd Schatzmayr and Konstantinos Fegeros

Nutritional approaches targeting improvement of animal performance and disease prevention are currently warranted and in this respect the dietary intake of beneficial microbes termed probiotics is being actively researched. The level of probiotic inclusion in broiler diets was shown to be relevant for benefits in performance, nutrient digestibility, gut microbiota composition and metabolic activities. Generally, this study supports further the role of probiotics for an improved gut function and as effective alternatives to dietary antibiotic growth promoters used in broilers.

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Published online 11 February 2014
Comparison of objective measures of pork colour traits during ageing of the longissimus muscle from pigs housed organically and conventionally 
J. Álvarez-Rodríguez, M. Tor, D. Cubiló, G. Ripoll, D. Babot and D. Villalba

Pork meat colour stability may differ between conventional and organic (not free-ranging) pig husbandry systems due to on-farm differences in feed ingredients and space allowance. Most objective measures of pork colour during ageing differed between husbandry systems, but canonical discrimination between conventional and organic pork based on colour was not possible. Three days of storage combined the best pork meat colour and haeminic pigment balance.

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Published online 11 February 2014
Monitoring liveweight in sheep is a valuable management strategy: a review of available technologies 
D. J. Brown, D. B. Savage, G. N. Hinch and S. Hatcher

Monitoring ewe liveweight may help farmers make more profitable decisions with regard to the management of their sheep flock. This review brings together the relevant literature demonstrating why sheep liveweight is important, and identifies and assesses available technologies for monitoring sheep liveweight. The findings suggest that walk-over weighing, an emerging liveweight monitoring technology, offers considerable potential to provide sufficiently timely and accurate flock average liveweight data to aid farmer decision making.

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Published online 28 January 2014
Effect of dietary potassium supplementation on the calcium absorption capacity in the rumen and abomasum and fractional excretion of urinary minerals in sheep 
M. S. Bhanugopan, W. J. Fulkerson, M. Hyde and D. R. Fraser

High potassium (K) in the diet of sheep and cattle has been implicated in the incidence of milk fever and grass tetany (hypomagnesaemia). The aim of this study was to determine the effect of a high K diet on calcium (Ca) absorption in sheep. The results demonstrate that increased dietary K decreased Ca absorption and decreased magnesium (Mg) status of the sheep. Therefore, levels of both Ca and Mg should be considered when feeding high-K diets to ruminants, to reduce the risk of hypomagnesaemia and hypocalcaemia and to improve livestock health and productivity.

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Published online 14 January 2014
Flow cytometric and microscopic evaluation of post-thawed ram semen cryopreserved in chemically defined home-made or commercial extenders 
M. Emamverdi, M. Zhandi, A. Zare Shahneh, M. Sharafi, A. Akhlaghi, M. Khodaei Motlagh, F. Dadkhah and N. Dadashpour Davachi

New approaches to improve post-thawed sperm quality in rams are needed. The results of this study showed that Tris-based extender containing 1.5% (w/v) soybean lecithin can maintain post-thawed sperm quality better than other commercial extenders investigated. The findings may be beneficial to improve artificial insemination efficiency in sheep industry.

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blank image Animal Production Science
Volume 55 Number 1 2015

 
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Table of Contents 
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Prediction of diet quality for sheep from faecal characteristics: comparison of near-infrared spectroscopy and conventional chemistry predictive models 
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D. G. Kneebone and G. McL. Dryden
pp. 1-10

This study evaluated the ability of equations developed from the analysis of faecal material by conventional chemistry, and by near-infrared spectroscopy, to predict intake and digestibility of forages fed with or without supplements. Good agreement between the conventional chemistry and near-infrared spectroscopy methods was evident (according to a 95% limits-of-agreement test), and both predicted the reference values precisely and with small bias.

 
  
 

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An integrative assay to quantify the nutritional quality of the selected diet of two Mediterranean free-living deer by faecal-FT-NIRS 
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S. Tellado and C. Azorit
pp. 11-16

The cell wall digestibility (CWD) index is a suitable method for diet quality and fibre digestibility estimation. This manuscript provides a detailed description of fecal-NIRS calibrations for CWD ratio determination, which is a useful, non-invasive tool for monitoring variations in the diet quality of Mediterranean deer in their natural environment.

 
  
 

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Effect of varying the proportion of molasses in the diet on intake, digestion and microbial protein production by steers 
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D. V. Tuyen , X. M. Tolosa , D. P. Poppi and S. R. McLennan
pp. 17-26

Molasses is a widely used energy source for cattle in the tropics but the extent to which it supports microbial protein production in the rumen is unclear. This study investigated the effect of increasing the molasses content in the diet of steers on protein synthesis in the rumen and on intake of the animals. Protein synthesis was within expected limits but low intake remains a limitation to cattle production from molasses-based diets.

 
  
 

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A 'protein bank' of Lotus uliginosus cv. Maku as an alternative to conventional protein supplements for weaned lambs grazing on natural pastures during summer and autumn 
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L. Piaggio , M. de J. Marichal and A. Pastorín
pp. 27-30

Lambs born in spring were weaned in summer when they began to graze natural pastures. In summer, natural pastures commonly present low protein content. Restricted grazing of natural pastures improved with legumes resulted in similar or better performance than supplementation with soybean meal. Including in the feeding plan natural pastures improved with high-protein forage species is an alternative as effective as the supply of soybean meal.

 
  
 

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Factors affecting reproductive performance of dairy cows in a pasture-based, automatic milking system research farm: a retrospective, single-cohort study 
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S. Talukder , P. Celi , K. L. Kerrisk , S. C. Garcia and N. K. Dhand
pp. 31-41

The aim of this study was to highlight the potential risk factors that influence the reproductive outcome in automatic milking systems under pasture based condition. At the reported production levels and milking frequencies for Australian pastured cows, milk yield and milking frequency during 100 days in milk had no effect on reproductive measures. This type of study is important to minimise the reproductive losses by reviewing management strategies in automatic milking systems.

 
    | Supplementary Material (2 MB)
 

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Milking permission and milking intervals in a pasture-based automatic milking system 
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N. A. Lyons , K. L. Kerrisk and S. C. Garcia
pp. 42-48

Extended milking intervals have a negative effect on milk yield and udder health. Analysis of cow traffic data from an automatic milking system found that previous milking refusal was not the main cause of extended milking intervals. These cows could be sorted to an area close to the dairy; however, management should focus on reducing time cows spend between milkings in any one pasture allocation.

 
  
 

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Does producing more product over a lifetime reduce greenhouse gas emissions and increase profitability in dairy and wool enterprises? 
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Natalie A. Browne , Ralph Behrendt , Ross S. Kingwell and Richard J. Eckard
pp. 49-55

Greenhouse gas emissions from Australian agriculture are currently at 15% of national emissions and mitigation research is an important way of showing farmers how they might reduce their agricultural emissions. This research uses farm management practices to examine if producing more product across an animal’s lifetime affects emissions and profitability on farm enterprises. The results show that the potential for greater profitability on farm enterprises is driven more by increasing production than from claiming carbon offsets.

 
  
 

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Effect of replacing dietary corn with beet pulp on energy partitioning, substrate oxidation and methane production in lactating dairy goats 
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C. Ibáñez , M. C. López , P. Criscioni and C. Fernández
pp. 56-63

Substitution of corn with fibrous by-product into the diets of lactating dairy goats was studied. The fibrous by-product was beet pulp, and higher methane emission was observed than corn diet. Replacing corn with beet pulp did not compromise milk performance in dairy goats.

 
  
 

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Bio-economic modelling of decisions under yield and price risk for suckler cow farms 
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Simon Briner , Niklaus Lehmann and Robert Finger
pp. 64-73

The use of maize as a switch crop or the use of markets for roughage are the most efficient strategies to reduce financial risk of suckler cow farming. Applying a bio-economic optimization model we find that these strategies cause only low reductions of average gross margin. Our results also indicate that gross margin insurance is not attractive for farmers.

 
  
 

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Influence of cereal type and fat source on the performance and fat utilisation of broiler starters 
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P. Tancharoenrat , V. Ravindran and G. Ravindran
pp. 74-79

The influence of cereal type (wheat, maize or sorghum) and fat source (soybean oil or tallow) on the performance and utilisation of fat in young broiler chickens was investigated. The effect of fat source on weight gain of broiler starters differed depending on the cereal base used. It was found that the feed efficiency and fat utilisation were better in birds fed soybean oil diets compared to those fed tallow supplemented diets.

 
  
 

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Effect of inulin and mannan-oligosaccharides compared with zinc-bacitracin on growing performance, nutrient digestibility and hematological profiles of growing rabbits 
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Y. A. Attia , R. S. Hamed , A. E. Abd El-Hamid , H. A. Shahba and F. Bovera
pp. 80-86

It is important to identify valuable alternative to antibiotics in rabbit production to control the problem of antibiotic resistance of bacteria. Mannanoligosaccharides and inulin are able to effect similar results to antibiotics in rabbit growth. Mannanoligosaccharides were more effective than inulin at improving rabbit performance during growing.

 
  
 

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Effects of different concentrations of ground oak acorn on growth performance, blood parameters and carcass characteristics of goat kids 
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E. Froutan , O. Azizi , G. Sadeghi , F. Fatehi and S. Lashkari
pp. 87-92

Oak acorns have some adverse effects on animal production, which arise from the presence of some anti-nutritional factors such as tannins and phenolic compounds. The aim of the present study was to evaluate the effect of different concentrations of ground oak acorn as source of hydrolysable tannin on growth performance of goat kids. The levels used had no adverse effect on growth performance.

 
  
 

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Outcomes of gestation length in relation to farrowing performance in sows and daily weight gain and metabolic profiles in piglets 
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D. Mota-Rojas , R. Fierro , P. Roldan-Santiago , H. Orozco-Gregorio , M. González-Lozano , H. Bonilla , R. Martínez-Rodríguez , R. García-Herrera , P. Mora-Medina , S. Flores-Peinado , M. Sánchez and R. Ramírez-Necoechea
pp. 93-100

Little is known about the length of gestation in sows and its consequences for the health of neonate piglets. The aim of this study was to evaluate uterine activity at farrowing in sows with different gestation lengths, and its effect on the metabolic profile of neonates. Piglets born prematurely had lower birthweights and a higher incidence of apnoea, with severe physiometabolic alterations.

 
  
 

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A genetic study on sexual dimorphism of bodyweight in sheep 
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Farhad Ghafouri-Kesbi , Ghodratollah Rahimi Mianji , Zarbakht Ansari Pirsaraei , Seyed Hasan Hafezian , Hasan Baneh and Bijan Soleimani
pp. 101-106

The genetic basis of sexual dimorphism of bodyweight in Zandi sheep was investigated. Except for birthweight, for which estimates of variance components and genetic parameters were higher in females, for other traits, estimates were higher in males. However, regarding direct and maternal effects, none of the differences between the sexes was significant, indicating no need for sex-specific selection strategies.

 
  
 

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Effect of dietary ellagic acid supplementation on semen quality parameters in chickens 
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M. Shanmugam and S. V. Rama Rao
pp. 107-112

Ellagic acid present in fruits and nuts has been shown to have antioxidant and antiapoptotic properties. This study aimed to evaluate dietary supplementation of ellagic acid on rooster semen quality. The levels used had no effect on gross semen parameters.

 
  
 

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Effect of processing time on the quality of dry-cured ham obtained from a native pig breed (Chato Murciano) 
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Eva Salazar , Adela Abellán , José M. Cayuela , Ángel Poto , Francisco Girón , Pilar Zafrilla and Luis Tejada
pp. 113-121

Dry-cured ham derived from native pig breeds is a highly valued product. The biochemical changes that take place during the processing are responsible of the final sensory characteristics. The effect of a short and a long ripening time on Chato Murciano dry-cured ham quality was studied. Results suggest that an appropriate time of processing is 22 months.

 
  
 

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A comparison of deterministic and stochastic models for predicting the impacts of different sheep body lice (Bovicola ovis) management practices 
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Brian J. Horton and Anna L. Carew
pp. 122-132

Models of louse prevalence in sheep were used to identify the management activities most likely to reduce costs associated with lice. The greatest predicted benefits were from improving the efficacy of treatment at shearing, and by greater attention to quarantine against lice entering on purchases or strays. A 25% increase in annual quarantine efficacy was predicted to reduce costs by one-third within 10 years of implementation.

 
  
 

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These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

    AN14737  Accepted 16 December 2014
    Modelling the egg components and laying pattern of broiler breeder hens
    Nayara Ferreira, N Sakomura, Juliano Dorigam, Edney Silva, Robert Gous
    Abstract


    AN14713  Accepted 16 December 2014
    Changes in the feather-free body of broiler breeder hens after sexual maturity
    Magalie Nonis, Robert Gous
    Abstract


    AN14055  Accepted 09 December 2014
    Proximate composition and variation in colour, drip loss and pH of breast meat from broilers supplemented with Moringa oleifera leaf meal over time
    Thobele Nkukwana, Voster Muchenje, Patrick Masika, Elsje Pieterse, Louw Hoffman, Kennedy Dzama
    Abstract


    AN14750  Accepted 05 December 2014
    Using growth and body composition to determine weight at maturity in Nellore cattle
    Marcos Marcondes, Luis Tedeschi, Sebastião Valadares Filho, Luiz Fernando Costa e Silva, Alex Silva
    Abstract


    AN14738  Accepted 05 December 2014
    Analysis of population structure and genetic variability in the Iranian buffaloes (Bubalus bubalis) using pedigree information
    Navid Ghavi Hossein-Zadeh
    Abstract


    AN14070  Accepted 02 December 2014
    Exhaled breath condensate hydrogen peroxide concentration, a novel biomarker for assessment of oxidative stress in sheep during heat stress
    Surinder Chauhan, Pietro Celi, Brian Leury, Fan Liu, Frank Dunshea
    Abstract


    AN14647  Accepted 02 December 2014
    Resource use and environmental impacts from Australian export lamb production: a life cycle assessment
    Stephen Wiedemann, Mingjia Yan, Caoilinn Murphy
    Abstract


    AN14030  Accepted 02 December 2014
    Replacing conventional with brown midrib corn silage in a total mixed ration: The impact on early and late lactation dairy cow intake, milk yield and composition, and milk fatty acids profile
    Gabriel Genero, Carlos Cangiano, J P Raimondi, Julián Roig, Gerardo Gagliostro
    Abstract


    AN14702  Accepted 01 December 2014
    Validation of PigBal model predictions for pig manure production
    Alan Skerman, Sara Willis, Eugene McGahan, M Borgognone, Damien Batstone
    Abstract


    AN14532  Accepted 01 December 2014
    Plant extracts in heavy pig feeding: effects on quality of meat and Cremona salami
    Grazia Pastorelli, Raffaella Rossi, Sabrina Ratti, Carlo Corino
    Abstract


    AN14419  Accepted 28 November 2014
    Environmental and genetic factors influence the liveweight of adult Merino and Border Leicester-Merino ewes across multiple sites and years.
    Sarah Blumer, Graham Gardner, Mark Ferguson, Andrew Thompson
    Abstract


    AN14507  Accepted 24 November 2014
    Effects of potassium diformate on the gastric function of the weaning piglets
    Shuangshuang Xia, Wen Yao, Bingjie Zou, Yang Lu, Dong Xia, Naisheng Lu, Hulong Lei
    Abstract


    AN14564  Accepted 21 November 2014
    Bayesian analysis of direct and maternal effects for birth weight in Iranian buffaloes using Gibbs sampling
    Navid Ghavi Hossein-Zadeh
    Abstract


    AN14663  Accepted 14 November 2014
    The effect of maternal nutrition level during mid-gestation on postnatal muscle fiber composition and meat quality in lambs
    Ugur Sen, Emre Sirin, Umran Ensoy, Yuksel Aksoy, Zafer Ulutas, Mehmet Kuran
    Abstract


    AN14583  Accepted 13 November 2014
    Divergent breeding values for fatness or residual feed intake in Angus cattle. 1. Pregnancy rates of heifers differed between fat lines and were affected by weight and fat.
    Fiona Jones, Jeisane Accioly, Katrina Copping, Michael Deland, John Graham, Michelle Hebart, Robert Herd, Michael Laurence, Stephen Lee, Jane Speijers, Wayne Pitchford
    Abstract


    AN14679  Accepted 12 November 2014
    Synthesis: Foraging decisions link the cells of plants, herbivores, and human beings
    Frederick Provenza, Pablo Gregorini, Paulo Carvalho
    Abstract


    AN14742  Accepted 11 November 2014
    Intake, apparent digestibility, and methane emission in bulls receiving a feed supplement of monensin, virginiamycin, or a combination
    Marcelina Fonseca, Ana Borges, Ricardo Silva, Helena Lage, Alexandre Ferreira, Fernando Lopes, Carlos Pancoti, José Avelino Rodrigues
    Abstract


    AN14739  Accepted 10 November 2014
    Bovine STAT5A gene polymorphism and its influence on growth traits in Podolica breed
    Maria Selvaggi, Angela Gabriella D'Alessandro, Cataldo Dario
    Abstract


    AN14523  Accepted 07 November 2014
    Effects of different dietary concentrate to forage ratio and thiamine supplementation on the rumen fermentation and ruminal bacterial community in dairy cows
    Hongrong Wang, Xiaohua Pan, Chao Wang, Mengzhi Wang, Lihuai Yu
    Abstract


    AN14755  Accepted 06 November 2014
    Eggshell quality: a comparison between Fayoumi, Gimieizah and Brown Hy-Line strains for mechanical properties and ultrastructural of their eggshells.
    lamiaa Radwan
    Abstract


    AN14826  Accepted 03 November 2014
    Genomic scan for identifying candidate genes for Paratuberculosis resistance in sheep
    Bianca Moioli, Silvia D'Andrea, Luigi De Grossi, Erminia Sezzi, Bruno De Sanctis, Gennaro Catillo, Roberto Steri, Alessio Valentini, Fabio Pilla
    Abstract


    AN14801  Accepted 04 November 2014
    Enteric methane emissions in response to ruminal inoculation of Propionibacterium strains in beef cattle fed a mixed diet
    Diwakar Vyas, Awfa Alazzeh, Sean McGinn, Dr Tim McAllister, Odd Harstad, Helge Holo, Karen Beauchemin
    Abstract


    AN14658  Accepted 03 November 2014
    Liveweight gains of young sheep grazing dual-purpose wheat with sodium and magnesium supplied as direct supplement, or with magnesium supplied as fertilise
    Hugh Dove, Walter Kelman
    Abstract


    AN14630  Accepted 03 November 2014
    Pregnancy scanning can be used as a source of data for genetic evaluation of reproductive traits of ewes
    Kim Bunter, Andrew Swan, Ian Purvis, Daniel Brown
    Abstract


    AN14733  Accepted 28 October 2014
    Carob pulp inclusion in lambs diet: effect on intake, performance, feeding behaviour and blood metabolites
    Noor-Ehsan M. N. Gobindram, Matteo Bognanno, Giuseppe Luciano, Massimiliano Lanza, Luisa Biondi
    Abstract


    AN14687  Accepted 29 October 2014
    Resource use and environmental impacts from beef production in eastern Australia investigated using life cycle assessment
    Stephen Wiedemann, Eugene McGahan, Caoilinn Murphy, Mingjia Yan
    Abstract


    AN14641  Accepted 28 October 2014
    Spatial and temporal domain of scales of grazing cattle
    Stephanie Larson-Praplan, Melvin George, John Buckhouse, Emilio Laca
    Abstract


    AN14743  Accepted 27 October 2014
    Effect of dietary ALA on growth rate, feed conversion ratio, mortality rate and breast meat omega-3 LCPUFA content in broiler chickens
    John Carragher, Beverly Muhlhausler, Mark Geier, John House, Bob Hughes, Robert Gibson
    Abstract


    AN14129  Accepted 24 October 2014
    Estimation of genetic parameters for lambing ease, birth weight and gestation length in Australian sheep
    Li Li, Daniel Brown
    Abstract


    AN14714  Accepted 22 October 2014
    Increased proportion of female lambs by feeding Border Leicester x Merino ewes a diet high in omega-6 fatty acids around mating
    Edward Clayton, John Wilkins, Michael Friend
    Abstract


    AN14420  Accepted 20 October 2014
    Heat-induced apoptosis and gene expression in bovine mammary epithelial cells
    Han Hu, Jiaqi Wang, Haina Gao, Songli Li, Yangdong Zhang, Nan Zheng
    Abstract


    AN13467  Accepted 20 October 2014
    Birth weight has no influence on chemical body composition and muscle energy stores in suckling piglets
    Maartje De Vos, veronique Huygelen, Myriam Hesta, Sofie Willemen, Erik Fransen, Christophe Casteleyn, Steven Van Cruchten, Chris Van Ginneken
    Abstract


    AN14540  Accepted 15 October 2014
    Continuous bite monitoring: a method to assess the foraging dynamics of herbivores in natural grazing conditions
    Olivier Bonnet, Michel Meuret, Marcelo Tischler, Ian Cezimbra, Júlio Azambuja, Paulo Carvalho
    Abstract


    AN14495  Accepted 12 October 2014
    Endophyte metabolites associated with perennial ryegrass toxicosis
    Kevin Reed, Wade Mace, Lawrence Walker, Lester Fletcher
    Abstract


    AN14114  Accepted 13 October 2014
    Correlated response to selection for some egg performance traits in egg line of Japanese quail
    Bothaina Mahmoud, Galal Abou Khadiga, Ensaf El-Full
    Abstract


    AN14571  Accepted 09 October 2014
    Genetic parameters for calving difficulty using complex genetic models in five beef breeds in Australia
    Gilbert Jeyaruban, David Johnston, Bruce Tier, Hans Graser
    Abstract


    AN14487  Accepted 07 October 2014
    Translating physiological signals to behavioural changes in feeding behaviour in mammals and the future effect of global climate change.
    Benjamin Moore, Natasha Wiggins, Karen Marsh, Maria Dearing, Bill Foley
    Abstract


    AN14643  Accepted 05 October 2014
    Two-step weaning in beef calves: permanence of with nose-flaps for 7 or 21 days does not influence the behavior response
    Pilar Alvez, Graciela Quintans, Maria Jose Hotzel, Rodolfo Ungerfeld
    Abstract


    AN14019  Accepted 04 October 2014
    Legume grain-based supplements in dairy sheep diet: effects on milk yield, composition and fatty acid profile
    Adriana Bonanno, Antonino Di Grigoli, Francesca Vitale, Marco Alabiso, Cristina Giosuè, Francesca Mazza, Massimo Todaro
    Abstract


    AN13370  Accepted 03 October 2014
    Estimates of repeatability and heritability of methane production in sheep using portable accumulation chambers
    John Goopy, Dorothy Robinson, Reginald Woodgate, Alastair Donaldson, Hutton Oddy, Phillip Vercoe, Roger Hegarty
    Abstract


    AN14546  Accepted 03 October 2014
    Can animal performance be predicted from short-term grazing processes?
    Paulo Carvalho, Carolina Bremm, Jean Mezzalira, Lidiane Fonseca, Julio Da Trindade, Olivier Bonnet, Marcelo Tischler, Tereza Cristina Genro, Carlos Nabinger, Emilio Laca
    Abstract


    AN14462  Accepted 03 October 2014
    Effect of terrain heterogeneity on feeding site selection and livestock movement patterns
    Derek Bailey, , Mitchell Stephenson, Marco Pittarello
    Abstract


    AN14636  Accepted 02 October 2014
    Supplementation for beef cattle on Marandu grass pastures with different herbage allowances
    Amanda Oliveira, Daniel Casagrande, Liandra Maria Bertipaglia, Rondineli Barbero, Telma Berchielli, Ana Ruggieri, Ricardo Reis
    Abstract


    AN14066  Accepted 29 September 2014
    Environmental variation and breed sensitivity for growth rate and backfat depth in pigs
    Li Li, Susanne Hermesch
    Abstract


    AN14183  Accepted 25 September 2014
    The effect of slaughter weight on the carcass characteristics of pork with sex type as co-variable
    Elsje Pieterse, Louw Hoffman, Francois Siebrits, Elaine Gloy, Ewa Polawska
    Abstract


    AN14017  Accepted 25 September 2014
    Effect of creatine monohydrate supplementation on carcass traits, meat quality and postmortem energy metabolism of finishing pigs
    J.L. Li, Z.Y. Guo, Y.J. Li, L. Zhang, Feng Gao, Guang Hong Zhou
    Abstract


    AN13555  Accepted 22 September 2014
    Carcass and meat quality of organic lambs compared to lambs reared under traditional and intensive production systems
    Omur Kocak, Bulent Ekiz, Hülya Yalçıntan, Akin Yakan, Alper Yilmaz
    Abstract


    AN14111  Accepted 19 September 2014
    Egg quality and production performance of laying hens injected with growth hormone and testosterone in the late phase of production
    Hamed Mohammadi, Zarbakht Ansari-Pirsaraei, Seyed Naser Mousavi, Mehrdad Bouyeh, Abolfazl Gholibeikifard, Parviz Nouri, Ali Hatefi, Mohammadreza Rahmani
    Abstract


    AN14444  Accepted 19 September 2014
    Effect of fitting sheep covers and injection of a mineral supplement on the brightness, clean colour and photostability of wool grown by grazing Merino sheep
    Sue Hatcher, James Preston
    Abstract


    AN14645  Accepted 10 September 2014
    Genetic importance of fat and eye muscle depth in Merino breeding programs
    Daniel Brown, Andrew Swan
    Abstract


    AN14612  Accepted 10 September 2014
    Genetic variability detected at the lactoferrin locus (LTF) in the Italian Mediterranean river buffalo
    Alfredo Pauciullo, Luigi Ramunno, Niccolò Pietro Paolo Macciotta, Giustino Gaspa, Angelo Coletta, Elisa Apicella, Daniela Gallo, Gianfranco Cosenza
    Abstract


    AN14560  Accepted 10 September 2014
    Genetic variation within and between sub-populations of the Australian Merino breed
    Andrew Swan, Daniel Brown, Julius van der Werf
    Abstract


    AN14622  Accepted 08 September 2014
    Evaluating vitamin D with graded levels of strontium supplementation on broiler chicken performance and mineral composition
    Linda Browning, Aaron Cowieson
    Abstract


    AN14481  Accepted 08 September 2014
    Feeding behaviour in ruminants: a consequence of interactions between a reward system and the regulation of metabolic homeostasis
    Cecile Ginane, Muriel Bonnet, René Baumont, Dean Revell
    Abstract


    AN14474  Accepted 08 September 2014
    A regional model of sheep lice management practices for predicting the impact of treatment for lice when no lice are detected
    Brian Horton, Andrew Bailey, Anna Carew
    Abstract


    AN13378  Accepted 03 September 2014
    Biochemical profiles and physiochemical parameters of beef from cattle raised under contrasting feeding systems and pre-slaughter management
    Dario Pighin, Patricio Davies, Adriana Pazos, Irene Ceconi, Sebastian Cunzolo, Daniel Mendez, Miguel Buffarini, Gabriela Grigioni
    Abstract


    AN13505  Accepted 02 September 2014
    Growth performance, and carcass and meat quality traits in progeny of Poll Nellore, Angus and Brahman sires under tropical conditions
    Angélica Pereira, Fernando Baldi, Roberto Sainz, Bruno Utembergue, Hermenegildo Chiaia, Claudio Magnabosco, Fernando Manicardi, Fabiano Araújo, Camila Guedes, Regina Margarido, Paulo Leme, Paulo Sobral
    Abstract


    AN14517  Accepted 08 August 2014
    Grazing crops – implications for reproducing sheep
    David Masters, Andrew Thompson
    Abstract


    AN14091  Accepted 07 August 2014
    Determination and prediction of the net energy content of seven feed ingredients fed to growing pigs based on chemical composition
    Liu Dewen, Ling Liu, Defa Li, Fenglai Wang
    Abstract


    AN14034  Accepted 04 August 2014
    Divergent breeding values for fatness or residual feed intake in Angus cattle 5: Cow genotype affects feed efficiency and maternal productivity
    Michelle Hebart, Jeisane Accioly, Katrina Copping, Michael Deland, Robert Herd, Fiona Jones, Michael Laurence, Stephen Lee, David Lines, Jane Speijers, Brad Walmsley, Wayne Pitchford
    Abstract


    AN14602  Accepted 31 July 2014
    Managing the herbage utilization and intake by cattle grazing rangelands
    James Oltjen, Stacey Gunter
    Abstract


    AN14425  Accepted 22 April 2014
    The catastrophe of meal eating
    John Forbes, Pablo Gregorini
    Abstract


    AN14288  Accepted 23 July 2014
    The effect of dietary magnesium supplementation in alleviating stress associated with road transportation in weaned lambs
    Jannah Pye, Rebecca Doyle, Michael Friend, Marie Bhanugopan
    Abstract


    AN14096  Accepted 16 July 2014
    Transcriptome profiling of muscle by RNA-Seq reveals significant digital gene expression profiling differences between Angus and Luxi Cattle
    Liu Guifen, Cheng Haijian, Wei You, Song Enliang, Liu Xiaomu, Wan Fachun
    Abstract


    AN14484  Accepted 15 July 2014
    Behavioural adaptation of grazing dairy cows to changes in feeding management: do they follow a predictable pattern?
    Pablo Chilibroste, Malcom Gibb, Pablo Soca, Diego Mattiauda
    Abstract


    AN14472  Accepted 09 July 2014
    Modelling preference and diet selection patterns by grazing ruminants
    Pablo Gregorini, Juan Villalba, Frederick Provenza, Pierre Beukes, John Forbes
    Abstract


    AN14304  Accepted 09 July 2014
    Beef longissimus eating quality increases up to 20 weeks storage and is unrelated to meat colour at carcase grading
    Joanne Hughes, Neil McPhail, Gavin Kearney, Frank Clarke, Robyn Warner
    Abstract


    AN14203  Accepted 07 July 2014
    Myogenesis in small and large ovine fetuses at three stages of pregnancy
    Simon Quigley, Paul Greenwood, David Kleemann, Julie Owens, Simon Bawden, Greg Nattrass
    Abstract


    AN13060  Accepted 06 June 2014
    Maternal body composition in Australian seedstock herds: 1. Grazing management strategy influences perspectives on optimal balance of production traits and maternal productivity
    Stephen Lee, Ian Nuberg, Wayne Pitchford
    Abstract


    AN14467  Accepted 05 June 2014
    Potential of epigenetics (application) for animal production
    Takafumi Gotoh
    Abstract


    AN14449  Accepted 19 May 2014
    Understanding and Manipulating Diet Choice in Grazing Animals
    Juan Villalba, Frederick Provenza, Francisco Catanese, Roberto Distel
    Abstract


    AN14424  Accepted 19 May 2014
    Optimising the interrelationship between intake per cow and intake per hectare
    Alvaro Romera, Graeme Doole
    Abstract


    AN13447  Accepted 17 May 2014
    Estimation of Dietary Selenium Requirement for Chinese Egg-laying Ducks
    Wei Chen, Xing Zhang, Shuang Wang, Dong Ruan, Zhen Xie, Qian Yu, Cai Lin
    Abstract


    AN14415  Accepted 02 May 2014
    How French shepherds create meal sequences to stimulate intake and optimize use of forage diversity on rangeland
    Michel Meuret, Frederick Provenza
    Abstract


    AN14428  Accepted 13 May 2014
    Temporal dynamics in the foraging decisions of large herbivores
    Daniel Fortin, Jerod Merkle, Marie Sigaud, Seth Cherry, Sabrina Plante, Amélie Drolet, Myriam Labrecque
    Abstract


    AN13258  Accepted 10 February 2014
    Genetic parameters for body composition of Angus and Hereford cows
    Kath Donoghue, Stephen Lee, Peter Parnell, Wayne Pitchford
    Abstract


    AN13533  Accepted 20 December 2013
    Maternal body composition in seedstock herds. 1. Relationships between cow body composition and BREEDPLAN EBVs for Angus and Hereford cows
    Stephen Lee, Kath Donoghue, Wayne Pitchford
    Abstract


    AN13295  Accepted 08 November 2013
    Divergent genotypes for fatness or residual feed intake in Angus cattle: 3. Performance of mature cows.
    Katrina Copping, Jeisane Accioly, Michael Deland, Nick Edwards, John Graham, Michelle Hebart, Robert Herd, Fiona Jones, Michael Laurence, Stephen Lee, Jane Speijers, Wayne Pitchford
    Abstract


    AN13218  Accepted 24 October 2013
    Divergent genotypes for fatness or residual feed intake in Angus cattle. 2. Body composition but not reproduction was affected in first-parity cows on both low and high levels of nutrition.
    Michael Laurence, Jeisane Accioloy, Katrina Copping, Michael Deland, John Graham, Michelle Hebart, Robert Herd, Fiona Jones, Stephen Lee, Jane Speijers, Wayne Pitchford
    Abstract


    AN13054  Accepted 17 September 2013
    Genesis, design and methods of the Beef CRC Maternal Productivity Project
    Wayne Pitchford, Jeisane Accioly, Rob Banks, Anne Barnes, Stephen Barwick, Katrina Copping, Michael Deland, Kath Donoghue, Nick Edwards, Michelle Hebart, Robert Herd, Fiona Jones, Michael Laurence, Stephen Lee, Bill McKiernan, Peter Parnell, Jane Speijers, Geoff Tudor, John Graham
    Abstract




The Most Read ranking is based on the number of downloads from the CSIRO PUBLISHING website of articles published in the previous 12 months. Usage statistics are updated daily.

Rank Paper Details
1. Published 1 May 2014
Lamb survival in Australian flocks: a review

G. N. Hinch and F. Brien

2. Published 6 August 2014
Decreasing methane emissions from ruminants grazing forages: a fit with productive and financial realities?

David Pacheco, Garry Waghorn and Peter H. Janssen

3. Published 2 June 2014
Should animal fats be back on the table? A critical review of the human health effects of animal fat

William Barendse

4. Published 2 January 2014
Climate change and broadacre livestock production across southern Australia. 3. Adaptation options via livestock genetic improvement

Andrew D. Moore and Afshin Ghahramani

5. Published 17 March 2014
Influence of high pre-rigor temperature and fast pH fall on muscle proteins and meat quality: a review

Yuan H. Brad Kim, Robyn D. Warner and Katja Rosenvold

6. Published 3 February 2014
Increasing home-grown forage consumption and profit in non-irrigated dairy systems. 1. Rationale, systems design and management

D. F. Chapman, J. Hill, J. Tharmaraj, D. Beca, S. N. Kenny and J. L. Jacobs

7. Published 1 May 2014
A review of the genetic and epigenetic factors affecting lamb survival

F. D. Brien, S. W. P. Cloete, N. M. Fogarty, J. C. Greeff, M. L. Hebart, S. Hiendleder, J. E. Hocking Edwards, J. M. Kelly, K. L. Kind, D. O. Kleemann, K. L. Plush and D. R. Miller

8. Published 19 August 2014
Drives and limits to feed intake in ruminants

Michael S. Allen

9. Published 1 May 2014
The critical control points for increasing reproductive performance can be used to inform research priorities

J. M. Young, J. Trompf and A. N. Thompson

10. Published 2 December 2013
Genetics of early and lifetime annual reproductive performance in cows of two tropical beef genotypes in northern Australia

D. J. Johnston, S. A. Barwick, G. Fordyce, R. G. Holroyd, P. J. Williams, N. J. Corbet and T. Grant

11. Published 1 April 2014
Interactions between microbial consortia in biofilms: a paradigm shift in rumen microbial ecology and enteric methane mitigation

R. A. Leng

12. Published 2 December 2013
Genomic selection for female reproduction in Australian tropically adapted beef cattle

Y. D. Zhang, D. J. Johnston, S. Bolormaa, R. J. Hawken and B. Tier

13. Published 6 August 2014
Challenges in ration formulation in pasture-based milk production systems

J. L. Jacobs

14. Published 6 August 2014
Consequences of nutrition during gestation, and the challenge to better understand and enhance livestock productivity and efficiency in pastoral ecosystems

Paul L. Greenwood and Alan W. Bell

15. Published 1 May 2014
Increasing weight gain during pregnancy results in similar increases in lamb birthweights and weaning weights in Merino and non-Merino ewes regardless of sire type

B. L. Paganoni, M. B. Ferguson, G. A. Kearney and A. N. Thompson

16. Published 1 April 2014
Hormonal growth implants affect feed efficiency and expression of residual feed intake-associated genes in beef cattle

W. Al-Husseini, C. Gondro, K. Quinn, L. M. Cafe, R. M. Herd, J. P. Gibson, P. L. Greenwood and Y. Chen

17. Published 3 February 2014
Increasing home-grown forage consumption and profit in non-irrigated dairy systems. 2. Forage harvested

J. Tharmaraj, D. F. Chapman, J. Hill, J. L. Jacobs and B. R. Cullen

18. Published 3 February 2014
Increasing home-grown forage consumption and profit in non-irrigated dairy systems. 3. Intake, milk production and composition, bodyweight and body condition score

J. Hill, D. F. Chapman, J. Tharmaraj, J. L. Jacobs and B. R. Cullen

19. Published 1 May 2014
Vitamin E status and reproduction in sheep: potential implications for Australian sheep production

Shimin Liu, David Masters, Mark Ferguson and Andrew Thompson

20. Published 1 May 2014
The economic benefits of providing shelter to reduce the mortality of twin lambs in south-western Victoria

J. M. Young, G. Saul, R. Behrendt, F. Byrne, M. McCaskill, G. A. Kearney and A. N. Thompson


      
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