References
Arthur PF, Hearnshaw H, Barlow R, Williamson PJ, Stephenson PD, Dibley K (1997
)
Evaluation of Hereford and first-cross cows on three pasture systems. 3. Milk yield and its influence on calf performance.
The Journal of Agricultural Science
129, 91–98.
|
CrossRef |
Barton RA (1970) The yield and composition of milk of suckled beef cows and their relation to calf liveweight gains. In ‘New Zealand beef production, processing and marketing’. (Ed. AG Campbell) pp. 130–140. (New Zealand Institute of Agricultural Science, Inc.: Petone, New Zealand)
Burke CR, McDougall S, Macmillan KL (1995
)
Effects of breed and calving liveweight on postpartum ovarian activity in pasture-fed dairy heifers.
Proceedings of the New Zealand Society of Animal Production
55, 76–78.
De Nava Silva GT, Burnham DL, McDonald MF, Morris ST (1994
)
The effects of restricted suckling and prepartum nutritional level on reproductive performance of primiparous crossbred beef cows.
Proceedings of the New Zealand Society of Animal Production
54, 307–310.
Deland MP, Newman S (1991
)
Lifetime productivity of crossbred cows. 1. Experimental design, growth and carcass characteristics of progeny.
Australian Journal of Experimental Agriculture
31, 285–292.
|
CrossRef |
Grosshans T, Xu ZZ, Burton LJ, Johnson DL, Macmillan KL (1997
)
Performance and genetic parameters for fertility of seasonal dairy cows in New Zealand.
Livestock Production Science
51, 41–51.
|
CrossRef |
Hickson RE, Anderson WJ, Kenyon PR, Lopez-Villalobos N, Morris ST (2008
a)
A survey of beef cattle farmers in New Zealand, examining management practices of primiparous breeding heifers.
New Zealand Veterinary Journal
56, 176–183.
|
CrossRef |
CAS |
Hickson RE, Kenyon PR, Lopez-Villalobos N, Morris ST (2008
b)
Effects of liveweight gain during pregnancy of 15-month-old Angus heifers on dystocia and birth weight, body dimensions, estimated milk intake and weaning weight of the calves.
New Zealand Journal of Agricultural Research
51, 171–180.
|
CrossRef |
Hickson RE, Balcomb CC, Fraser KR, Lopez-Villalobos, Kenyon PR, Morris ST (2011) The effect of breed on the onset of puberty in heifers.
Proceedings of the Association for the Advancement of Animal Breeding and Genetics 19, 51–54.
Hochman Z, Hearnshaw H, Barlow R, Ayres JF, Pearson CJ (1995
)
X-breed – a multiple-domain knowledge-based system integrated through a blackboard architecture.
Agricultural Systems
48, 243–270.
|
CrossRef |
Knight TW, Nicoll GB (1978
)
Factors influencing the interval from calving to first oestrus in beef cattle on North Island hill country.
Proceedings of the New Zealand Society of Animal Production
38, 175–180.
Lucy MC, Staples CR, Thatcher WW, Erickson PS, Cleale RM, Firkins JL, Clark JH, Murphy MR, Brodie BO (1992
)
Influence of diet composition, dry-matter intake, milk production and energy-balance on time of postpartum ovulation and fertility in dairy cows.
Animal Production
54, 323–331.
|
CrossRef |
Macdonald K, Roche J (2008) ‘Body condition scoring made easy.’ (DairyNZ Ltd: Hamilton, New Zealand)
McDougall S (2006
)
Reproductive performance and management of dairy cattle.
The Journal of Reproduction and Development
52, 185–194.
|
CrossRef |
McFadden AM, Heuer C, Jackson R, West DM, Parkinson TJ (2005
)
Reproductive performance of beef cow herds in New Zealand.
New Zealand Veterinary Journal
53, 39–44.
|
CrossRef |
CAS |
McNaughton LR, Sanders KM, Pryce JE, Bracefield GE, Harcourt SJ, Spelman RJ (2007
)
Phenotypic relationships between the interval from calving to first luteal activity and fertility in a seasonal dairy production system.
Animal Reproduction Science
102, 98–110.
|
CrossRef |
CAS |
Morris ST, Pleasants AB, Barton RA (1978
)
Postpartum estrous interval of single-suckled Angus beef-cows.
New Zealand Journal of Agricultural Research
21, 577–582.
|
CrossRef |
Morris CA, Wilson JA, Bennett GL, Cullen NG, Hickey SM, Hunter JC (2000
)
Genetic parameters for growth, puberty, and beef cow reproductive traits in a puberty selection experiment.
New Zealand Journal of Agricultural Research
43, 83–91.
|
CrossRef |
Morris ST, Morel PCH, Kenyon PR (2006
)
The effect of individual liveweight and condition of beef cows on their reproductive performance and birth and weaning weights of calves.
New Zealand Veterinary Journal
54, 96–100.
|
CrossRef |
CAS |
Purchas RW, Morris ST (2007
)
A comparison of carcass characteristics and meat quality for Angus, Hereford × Friesian, and Jersey × Friesian steers.
Proceedings of the New Zealand Society of Animal Production
67, 18–22.
Roche JR, Dillon PG, Stockdale CR, Baumgard LH, VanBaale MJ (2004
)
Relationships among international body condition scoring systems.
Journal of Dairy Science
87, 3076–3079.
|
CrossRef |
CAS |
Smeaton DC, McCall DG, Clayton JB, Dow BW (1986
)
Calving date effects on beef cow productivity.
Proceedings of the New Zealand Society of Animal Production
46, 149–152.
Tervit HR, Smith JF, Goold PG, Jones KR, Vandien JJD (1982
)
Reproductive performance of beef cows following temporary removal of calves.
Proceedings of the New Zealand Society of Animal Production
42, 83–86.