Search Results - "Zak, L. J."

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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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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Impact of different patterns of feed intake during lactation in the primiparous sow on follicular development and oocyte maturation by Zak, L J, Xu, X, Hardin, R T, Foxcroft, G R

“…The potential contribution of nutritionally induced differences in follicular and oocyte maturity to embryo survival was addressed in pigs. When primiparous,…”
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Influence of the metabolic state during lactation on milk production in modern sows by Costermans, N. G. J., Soede, N. M., Middelkoop, A., Laurenssen, B. F. A., Koopmanschap, R. E., Zak, L. J., Knol, E. F., Keijer, J., Teerds, K. J., Kemp, B.

“…Selection for prolificacy in sows has resulted in higher metabolic demands during lactation. In addition, modern sows have an increased genetic merit for…”
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Impact of dietary lysine intake during lactation on follicular development and oocyte maturation after weaning in primiparous sows by Yang, H, Foxcroft, G.R, Pettigrew, J.E, Johnston, L.J, Shurson, G.C, Costa, A.N, Zak, L.J

“…Primiparous sows (n = 36) were used to evaluate the effects of dietary lysine intake in lactation on follicular development and oocyte maturation after…”
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Reproductive, metabolic, and endocrine responses to feed restriction and GnRH treatment in primiparous, lactating sows by Mao, J, Zak, L. J, Cosgrove, J. R, Shostak, S, Foxcroft, G. R

“…The current experiment was carried out to determine whether exogenous GnRH treatment in primiparous, lactating sows undergoing feed restriction would improve…”
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Feeding lactating primiparous sows to establish three divergent metabolic states. I. Associated endocrine changes and postweaning reproductive performance by Zak, L.J. (Swine Research Group, Edmonton, Alberta.), Williams, I.H, Foxcroft, G.R, Pluske, J.R, Cegielski, A.C, Clowes, E.J, Aherne, F.X

“…We investigated effects of different metabolic states on reproductive performance in lactating primiparous sows. Sows were fed ad libitum (AL; n = 12),…”
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Feeding lactating primiparous sows to establish three divergent metabolic states. III. Milk production and pig growth by Pluske, J.R. (Massey University, Palmerston North, New Zealand.), Williams, I.H, Zak, L.J, Clowes, E.J, Cegielski, A.C, Aherne, F.X

“…First-litter sown fitted with stomach cannulas were used to test the hypothesis that making gilts anabolic during lactation by providing them with extra…”
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Feeding lactating primiparous sows to establish three divergent metabolic states. II. Effect on nitrogen partitioning and skeletal muscle composition by Clowes, E.J. (University of Alberta, Edmonton, AB, Canada.), Williams, I.H, Baracos, V.E, Pluske, J.R, Cegielski, A.C, Zak, L.J, Aherne, F.X

“…We established an experimental model to study nitrogen (N) partitioning in lactating primiparous sows alimented to three levels of nutrient intake. Thirty-six…”
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Duration of lactation, endocrine and metabolic state, and fertility of primiparous sows1,2 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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Benefits of synchronizing ovulation with porcine luteinizing hormone in a fixed-time insemination protocol in weaned multiparous sows by Zak, L.J, Patterson, J, Hancock, J, Hockley, D, Rogan, D, Foxcroft, G.R

“…Objective: To determine reproductive performance of weaned sows inseminated twice at fixed times after controlling time of ovulation with porcine luteinizing…”
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Effect of dose of equine chorionic gonadotrophin on the estrus responses of gilts and weaned sows and effect of the interval between equine chorionic gonadotrophin and luteinizing hormone injections on sow performance by Cassar, G, Friendship, R.M, Zak, L.J, Rogan, D, Kirkwood, R.N

“…Objectives: To determine estrus and ovulation responses of gilts and sows to different doses of equine chorionic gonadotrophin (eCG), with different intervals…”
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Benefits of synchronizing ovulation with porcine luteinizing hormone (pLH) in a fixed time insemination protocol in weaned multiparous sows by Zak, L J, Patterson, J, Hancock, J, Rogan, D, Foxcroft, G R

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Three amino acids that are critical to formation and stability of the P22 tailspike trimer by Gage, Matthew J., Zak, Jennifer L., Robinson, Anne Skaja

“…The P22 tailspike protein folds by forming a folding competent monomer species that forms a dimeric, then a non‐native trimeric (protrimer) species by addition…”
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