References
Armstrong DT (2001
)
Effects of maternal age on oocyte developmental competence.
Theriogenology
55, 1303–1322.
|
CrossRef |
Di Simone N, Maggiano N, Caliandro D, Riccardi P, Evangelista A, Carducci B, Caruso A (2003
)
Homocysteine induces trophoblast cell death with apoptotic features.
Biology of Reproduction
69, 1129–1134.
|
CrossRef |
Di Simone N, Riccardi P, Maggiano N, Piacentani A, D’Asta M, Capelli A, Caruso A (2004
)
Effect of folic acid on homocysteine-induced trophoblast apoptosis.
Molecular Human Reproduction
10, 665–669.
|
CrossRef |
Duquette J, Matte JJ, Farmer C, Girard CL, Laforest J-P (1997
)
Pre- and post-mating dietary supplements of folic acid and uterine secretory activity in gilts.
Canadian Journal of Animal Science
77, 415–420.
|
CrossRef |
Foxcroft GR, Vinsky MD, Paradis F, Tse WY, Town SC, Putman CT, Dyck MK, Dixon WT (2007
)
Macroenvironment effects on oocytes and embryos in swine.
Theriogenology
68, S30–S39.
|
CrossRef |
Gatford KL, De Blasio MJ, Roberts CT, Nottle MB, Kind KL, van Wettere WHEJ, Smits RJ, Owens JA (2009
)
Responses to maternal GH or ractopamine during early-mid pregnancy are similar in primiparous and multiparous pregnant pigs.
The Journal of Endocrinology
203, 143–154.
|
CrossRef |
Gatford KL, Smits RJ, Collins CL, Argent C, De Blasio MJ, Roberts CT, Nottle MB, Kind KL, Owens JA (2010
)
Maternal responses to daily maternal porcine somatotropin injections during early-mid pregnancy or early-late pregnancy in sows and gilts.
Journal of Animal Science
88, 1365–1378.
|
CrossRef |
Giguère A, Girard CL, Lambert R, Laforest JP, Matte JJ (2000
)
Reproductive performance and uterine prostaglandin secretion in gilts conditioned with dead semen and receiving dietary supplements of folic acid.
Canadian Journal of Animal Science
80, 467–472.
|
CrossRef |
Guay F, Matte JJ, Girard CL, Palin M-F, Giguère A, Laforest J-P (2002
a)
Effects of folic acid and vitamin B12 supplements on folate and homocysteine metabolism in pigs during early pregnancy.
The British Journal of Nutrition
88, 253–263.
|
CrossRef |
Guay F, Matte JJ, Girard CL, Palin M-F, Giguere A, Laforest J-P (2002
b)
Effect of folic acid and glycine supplementation on embryo development and folate metabolism during early pregnancy in pigs.
Journal of Animal Science
80, 2134–2143.
Guay F, Matte JJ, Girard CL, Palin M-F, Giguère A, Laforest J-P (2004
)
Effect of folic acid plus glycine supplement on uterine prostaglandin and endometrial granulocyte-macrophage colony-stimulating factor expression during early pregnancy in pigs.
Theriogenology
61, 485–498.
|
CrossRef |
Harper AF, Lindemann MD, Chiba LI, Combs GE, Handlin DL, Kornegay ET, Southern LL (1994
)
An assessment of dietary folic acid levels during gestation and lactation on reproductive and lactational performance of sows: a cooperative study. S-145 Committee on Nutritional Systems for Swine to Increase Reproductive Efficiency.
Journal of Animal Science
72, 2338–2344.
Holmes VA (2003
)
Changes in haemostasis during normal pregnancy: does homocysteine play a role in maintaining homeostasis?
The Proceedings of the Nutrition Society
62, 479–493.
|
CrossRef |
Huang QC, Xu ZR, Han XY, Li WF (2007
)
Effect of betaine on growth hormone pulsatile secretion and serum metabolites in finishing pigs.
Journal of Animal Physiology and Animal Nutrition
91, 85–90.
|
CrossRef |
Hughes PE, Varley MA (2003) Lifetime performance of the sow. In ‘Perspectives in pig science’. (Eds J Wiseman, MA Varley, B Kemp) pp. 333–355. (Nottingham University Press: Nottingham)
Ikeda S, Namekawa T, Sugimoto M, Kume S-i (2010
)
Expression of methylation pathway enzymes in bovine oocytes and preimplantation embryos.
Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
313A, 129–136.
Kelley RL, Jungst SB, Spencer TE, Owsley WF, Rahe CH, Mulvaney DR (1995
)
Maternal treatment with somatotropin alters embryonic development and early postnatal growth of pigs.
Domestic Animal Endocrinology
12, 83–94.
|
CrossRef |
Kidd MT, Ferket PR, Garlich JD (1997
)
Nutritional and osmoregulatory functions of betaine.
World’s Poultry Science Journal
53, 125–139.
|
CrossRef |
Kim ES, Seo JS, Eum JH, Lim JE, Kim DH, Yoon TK, Lee DR (2009
)
The effect of folic acid on in vitro maturation and subsequent embryonic development of porcine immature oocytes.
Molecular Reproduction and Development
76, 120–121.
|
CrossRef |
Kwong WY, Adamiak SJ, Gwynn A, Singh R, Sinclair KD (2010
)
Endogenous folates and single-carbon metabolism in the ovarian follicle, oocyte and pre-implantation embryo.
Reproduction (Cambridge, England)
139, 705–715.
|
CrossRef |
Lindemann MD, Kornegay ET (1989
)
Folic acid supplementation to diets of gestating-lactating swine over multiple parities.
Journal of Animal Science
67, 459–464.
Mahan DC (1994
)
Effects of dietary vitamin E on sow reproductive performance over a five-parity period.
Journal of Animal Science
72, 2870–2879.
Mahan DC (1998
)
Relationship of gestation protein and feed intake level over a five-parity period using a high-producing sow genotype.
Journal of Animal Science
76, 533–541.
Matte JJ, Girard CL (1999
)
An estimation of the requirement for folic acid in gestating sows: the metabolic utilization of folates as a criterion of measurement.
Journal of Animal Science
77, 159–165.
Matte JJ, Girard CL, Brisson GJ (1984
)
Folic acid and reproductive performances of sows.
Journal of Animal Science
59, 1020–1025.
Matte JJ, Girard CL, Tremblay GF (1993
)
Effect of long-term addition of folic acid on folate status, growth performance, puberty attainment, and reproductive capacity of gilts.
Journal of Animal Science
71, 151–157.
Matte JJ, Guay F, Girard CL (2006
)
Folic acid and vitamin B12 in reproducing sows: new concepts.
Canadian Journal of Animal Science
86, 197–205.
|
CrossRef |
Murphy MM, Scott JM, McPartlin JM, Fernandez-Ballart JD (2002
)
The pregnancy-related decrease in fasting plasma homocysteine is not explained by folic acid supplementation, hemodilution, or a decrease in albumin in a longitudinal study.
The American Journal of Clinical Nutrition
76, 614–619.
National Research Council (1998) ‘Nutrient requirements of swine.’ 10th edn. (National Academy Press: Washington DC)
Rehfeldt C, Kuhn G, Nurnberg G, Kanitz E, Schneider F, Beyer M, Nurnberg K, Ender K (2001
)
Effects of exogenous somatotropin during early gestation on maternal performance, fetal growth, and compositional traits in pigs.
Journal of Animal Science
79, 1789–1799.
Simard F, Guay F, Girard CL, Giguere A, Laforest J-P, Matte JJ (2007
)
Effects of concentrations of cyanocobalamin in the gestation diet on some criteria of vitamin B12 metabolism in first-parity sows.
Journal of Animal Science
85, 3294–3302.
|
CrossRef |
Solanky N, Requena Jimenez A, D’Souza SW, Sibley CP, Glazier JD (2010
)
Expression of folate transporters in human placenta and implications for homocysteine metabolism.
Placenta
31, 134–143.
|
CrossRef |
Stahly TS, Williams NH, Lutz TR, Ewan RC, Swenson SG (2007
)
Dietary B vitamin needs of strains of pigs with high and moderate lean growth.
Journal of Animal Science
85, 188–195.
|
CrossRef |
Thaler RC, Nelssen JL, Goodband RD, Allee GL (1989
)
Effect of dietary folic acid supplementation on sow performance through two parities.
Journal of Animal Science
67, 3360–3369.
Town SC, Patterson JL, Pereira CZ, Gourley G, Foxcroft GR (2005
)
Embryonic and fetal development in a commercial dam-line genotype.
Animal Reproduction Science
85, 301–316.
|
CrossRef |
Tremblay GF, Matte JJ, Dufour JJ, Brisson GJ (1989
)
Survival rate and development of fetuses during the first 30 days of gestation after folic acid addition to a swine diet.
Journal of Animal Science
67, 724–732.
Vallet JL, Christenson RK, Klemcke HG (1999
)
A radioimmunoassay for porcine intrauterine folate binding protein.
Journal of Animal Science
77, 1236–1240.
van Mil NH, Oosterbaan AM, Steegers-Theunissen RP (2010
)
Teratogenicity and underlying mechanisms of homocysteine in animal models: a review.
Reproductive Toxicology (Elmsford, N.Y.)
30, 520–531.
|
CrossRef |
van Wettere WHEJ, Herde P (2009). Supplementing gestation diets with betaine increases litter size of summer mated sows. In ‘Manipulating pig production 12’. (Ed RJ van Barneveld) p. 140. (APSA Inc.: Werribee)
van Wettere WHEJ, Mitchell M, Revell DK, Hughes PE (2005) Management and nutritional factors affecting puberty attainment and first litter size in replacement gilts. In ‘Manipulating pig production X’. pp. 180–192. (Ed. JE Paterson) (Australasian Pig Science Association: Werribee)
Velzing-Aarts FV, Holm PI, Fokkema MR, van der Dijs FP, Ueland PM, Muskiet FA (2005
)
Plasma choline and betaine and their relation to plasma homocysteine in normal pregnancy.
The American Journal of Clinical Nutrition
81, 1383–1389.
Xie S, Broermann DM, Nephew KP, Geisert RD, Pope WF (1990
)
Ovulation and early embryogenesis in swine.
Biology of Reproduction
43, 236–240.
|
CrossRef |