Search Results - "FOXCROFT, G. R"

The effect of gilt age at first estrus and breeding on third estrus on sow body weight changes and long-term reproductive performance by PATTERSON, J. L, BELTRANENA, E, FOXCROFT, G. R

“…The objective of this trial was to determine the effect of age at first estrus on BW changes and long-term reproductive performance of sows. At approximately…”
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Intra-uterine growth retardation affects birthweight and postnatal development in pigs, impairing muscle accretion, duodenal mucosa morphology and carcass traits by Alvarenga, A L N, Chiarini-Garcia, H, Cardeal, P C, Moreira, L P, Foxcroft, G R, Fontes, D O, Almeida, F R C L

“…The present study investigated the occurrence of intra-uterine growth retardation (IUGR) in newborn (n=40) and 150-day-old (n=240) pigs of different…”
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The biological basis for prenatal programming of postnatal performance in pigs by Foxcroft, G. R, Dixon, W. T, Novak, S, Putman, C. T, Town, S. C, Vinsky, M. D. A

“…The main purpose of this review is to discuss associations between within-litter variation in birth weight, and preweaning survival and postnatal growth in the…”
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Gene expression of porcine blastocysts from gilts fed organic or inorganic selenium and pyridoxine by Dalto, B D, Tsoi, S, Audet, I, Dyck, M K, Foxcroft, G R, Matte, J J

“…In this study, we determined how maternal dietary supplementation with pyridoxine combined with different sources of selenium (Se) affected global gene…”
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Reproduction in Farm Animals in an Era of Rapid Genetic Change: Will Genetic Change Outpace Our Knowledge of Physiology? by Foxcroft, GR

“…Compared with other domestic species, genetic nucleus selection has gradually increased both prolificacy and productivity of the breeding sow and the…”
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Selective protein loss in lactating sows is associated with reduced litter growth and ovarian function by Clowes, E.J, Aherne, F.X, Foxcroft, G.R, Baracos, V.E

“…This study was designed to test the degree of protein loss that may be sustained by lactating sows before milk biosynthesis and ovarian function will be…”
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Number of conceptuses in utero affects porcine fetal muscle development by Town, S C, Putman, C T, Turchinsky, N J, Dixon, W T, Foxcroft, G R

“…Unmodified, third parity, control sows (CTR; n = 30) or sows subjected to unilateral oviduct ligation before breeding (LIG; n = 30), were slaughtered at either…”
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Effects of dietary enrichment with a marine oil-based n-3 LCPUFA supplement in sows with predicted birth weight phenotypes on birth litter quality and growth performance to weaning by Smit, M. N., Spencer, J. D., Patterson, J. L., Dyck, M. K., Dixon, W. T., Foxcroft, G. R.

“…The effects of a marine oil-based n-3 long-chain polyunsaturated fatty acid (mLCPUFA) supplement fed to the sow from weaning, through the rebreeding period,…”
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Parturition body size and body protein loss during lactation influence performance during lactation and ovarian function at weaning in first-parity sows by Clowes, E.J, Aherne, F.X, Schaefer, A.L, Foxcroft, G.R, Baracos, V.E

“…We investigated the effect of body protein mass at parturition and different degrees of body protein loss in lactation on sow performance. In a 2 × 2 factorial…”
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Responses to n-3 fatty acid (LCPUFA) supplementation of gestating gilts, and lactating and weaned sows by Smit, M. N., Patterson, J. L., Webel, S. K., Spencer, J. D., Cameron, A. C., Dyck, M. K., Dixon, W. T., Foxcroft, G. R.

“…Feeding n-3 long-chain polyunsaturated fatty acids (LCPUFA) to gilts or sows has shown different responses to litter growth, pre-weaning mortality and…”
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Effects of dietary enrichment with a marine oil-based n-3 LCPUFA supplement in sows with predicted birth weight phenotypes on growth performance and carcass quality of offspring by Smit, M. N., Spencer, J. D., Patterson, J. L., Dyck, M. K., Dixon, W. T., Foxcroft, G. R.

“…Effects of a marine oil-based n-3 LCPUFA supplement (mLCPUFA) fed from weaning until the end of the next lactation to sows with a predicted low litter birth…”
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Follicular dynamics and gene expression in granulosa cells, corpora lutea and oocytes from gilts of breeds with low and high ovulation rates by Silva, P V, Guimarães, S E F, Guimarães, J D, Nascimento, C S, Lopes, P S, Siqueira, J B, Amorim, L S, Fonseca E Silva, F, Foxcroft, G R

“…Follicular dynamics and the expression of candidate genes using real-time polymerase chain reaction (PCR) were compared during the oestrous cycle of pig breeds…”
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Biological Markers of Boar Fertility by Dyck, MK, Foxcroft, GR, Novak, S, Ruiz‐Sanchez, A, Patterson, J, Dixon, WT

“…The semen evaluation techniques used in most commercial artificial insemination centers, which includes sperm motility and morphology measurements, provides a…”
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The effect of gilt age at first estrus and breeding on third estrus on sow body weight changes and long-term reproductive performance1 by Patterson, J. L., Beltranena, E., Foxcroft, G. R.

“…The objective of this trial was to determine the effect of age at first estrus on BW changes and long-term reproductive performance of sows. At approximately…”
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Duration of lactation, endocrine and metabolic state, and fertility of primiparous sows by Willis, H.J, Zak, L.J, Foxcroft, G.R

“…The objectives of this study were to determine factors affecting the reproductive performance of primiparous sows early weaned (EW; n = 35) at d 14 or…”
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Nutritional restriction in lactating primiparous sows selectively affects female embryo survival and overall litter development by Vinsky, M D, Novak, S, Dixon, W T, Dyck, M K, Foxcroft, G R

“…This study explored the possibility of sex-specific effects on embryonic survival in primiparous sows subjected to restricted feed intake during the last week…”
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Impacts on conceptus survival in a commercial swine herd by Vonnahme, K. A, Wilson, M. E, Foxcroft, G. R, Ford, S. P

“…An estimated 30 to 40% of potential piglets are lost before farrowing in U.S. or European pig breeds. Because these studies were conducted in limited numbers…”
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Embryonic and fetal development in a commercial dam-line genotype by Town, S.C., Patterson, J.L., Pereira, C.Z., Gourley, G., Foxcroft, G.R.

“…During depopulation of a breeding unit within Swine Graphics Enterprises, extensive data were collected and used to examine relationships among ovulation rate,…”
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Hormonal status, metabolic changes, and resting metabolic rate in beef heifers undergoing compensatory growth by Yambayamba, E. S, Price, M. A, Foxcroft, G. R

“…Twelve recently weaned Hereford crossbred heifers weighing 227 kg (12 kg SD) and aged 230 d (8 d SD) on d 0 were used to investigate physiological responses…”
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Pattern of feed intake and associated metabolic and endocrine changes differentially affect postweaning fertility in primiparous lactating sows by Zak, L.J. (University of Alberta, Edmonton, Canada.), Cosgrove, J.R, Aherne, F.X, Foxcroft, G.R

“…Effects of differential patterns of feed intake during lactation, associated metabolic and endocrine changes, and reproductive status after weaning were…”
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