Search Results - "Mackenzie, D.D.S"

Effects of dam size and nutritional plane during pregnancy on lamb performance to weaning by Kenyon, P.R., van der Linden, D.S., Blair, H.T., Morris, S.T., Jenkinson, C.M.C., Peterson, S.W., Mackenzie, D.D.S., Firth, E.C.

“…This study examined the effects of dam size and plane of nutrition during pregnancy on dam udder size, lamb colostrum intake, and lamb liveweight gain (LWG)…”
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Insulin regulation of amino-acid metabolism in the mammary gland of sheep in early lactation and fed fresh forage by Sinclair, B. R., Back, P., Davis, S. R., Lee, J., Mackenzie, D. D. S., McNabb, W. C., Roy, N. C., Tavendale, M. H., Harris, P. M.

“…Insulin plays an important role in regulating the partitioning of nutrients to the mammary gland, particularly in lactating ruminants fed concentrate-based…”
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P2-79 Effect of fetal number, ewe size and nutrition during pregnancy on mammary gland size by Peterson, S.W, Jenkinson, C.M.C, Mackenzie, D.D.S, Morris, S.T, Kenyon, P.R, Firth, E.C, Blair, H.T

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Comparative effects of recombinant ovine placental lactogen and bovine growth hormone on galactopoiesis in ewes by Min, S H, Mackenzie, D D, McCutcheon, S N, Breier, B H, Gluckman, P D

“…The effects of recombinant ovine placental lactogen and bovine growth hormone on milk yield, milk composition, and concentrations of blood hormones and…”
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Effects of ewe size and nutrition on fetal mammary gland development and lactational performance of offspring at their first lactation by van der Linden, D.S, Kenyon, P.R, Blair, H.T, Lopez-Villalobos, N, Jenkinson, C.M.C, Peterson, S.W, Mackenzie, D.D.S

“…Many environmental factors applied postnatally are known to affect milk production of the dam, but to date, the effects of different fetal environments on…”
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Dam and granddam feeding during pregnancy in sheep affects milk supply in offspring and reproductive performance in grand-offspring by Blair, H.T, Jenkinson, C.M.C, Peterson, S.W, Kenyon, P.R, van der Linden, D.S, Davenport, L.C, Mackenzie, D.D.S, Morris, S.T, Firth, E.C

“…In temperate climates, the cost of providing feed is greater in winter than in other seasons, causing ewes to be fed restricted rations during some periods of…”
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Do ewe size and nutrition during pregnancy affect foetus and foetal organ weight in twins? by Blair, H.T., der Linden, D.S. van, Jenkinson, C.M.C., Morris, S.T., Mackenzie, D.D.S., Peterson, S.W., Firth, E.C., Kenyon, P.R.

“…This study set out to investigate the effects of ewe size and nutrition during pregnancy on the development of twin-foetuses and was part of a large study…”
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The effect of ewe size and nutritional regimen beginning in early pregnancy on development of singleton foetuses in late pregnancy by Kenyon, P.R., van der Linden, D.S., Jenkinson, C.M.C., Morris, S.T., Mackenzie, D.D.S., Peterson, S.W., Firth, E.C., Blair, H.T.

“…This study set out to investigate the effects of ewe size and pregnancy nutritional level on the development of singleton-foetuses in late pregnancy and was…”
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Metabolic responses to exogenous bovine somatotropin in Friesian cows of low or high genetic merit by Michel, A, McCutcheon, S N, Mackenzie, D D, Tait, R M, Wickham, B W

“…Basal hormone/metabolite concentrations and responses to intravenous challenges of glucose, insulin and epinephrine were examined in Friesian cows from…”
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Production and utilization of lactic acid by the ruminant. A review by Mackenzie, D D

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Comparison of two variants of the Fick principle for estimation of mammary blood flow in dairy cows fed two levels of dry matter intake by Pacheco-Rios, D, Mackenzie, D.D.S, McNabb, W.C

“…The estimation of the mammary blood flow (MBF) is an important component of studies of the utilization of metabolites by the mammary gland of lactating…”
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Placental development and fetal growth in growth hormone-treated ewes by Jenkinson, C.M.C., Min, S.H., Mackenzie, D.D.S., McCutcheon, S.N., Breier, B.H., Gluckman, P.D.

“…The effects of recombinant bovine growth hormone (bGH) treatment of pregnant ewes on maternal metabolism, placental development and fetal growth were examined…”
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Ontogeny of IGF-I responsiveness to bGH in young lambs by Min, S.H., Mackenzie, D.D.S., Breier, B.H., McCutcheon, S.N., Gluckman, P.D.

“…The ontogeny of hepatic growth hormone (GH) receptors (GHR), as measured by responses of both plasma insulin-like growth factor-I (IGF-I) and hepatic GHR to an…”
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effects of methionine supplementation upon milk composition and production of forage-fed dairy cows by Pacheco-Rios, D, McNabb, W.C, Hill, J.P, Barry, T.N, Mackenzie, D.D.S

“…Two experiments (mid- and late lactation) were conducted to test whether methionine (Met) limited milk production in Friesian cows fed sole diets of fresh…”
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The effects of ovine placental lactogen and bovine growth hormone on hepatic and mammary gene expression in lactating sheep by Bassett, N.S., Currie, M.J., Breier, B.H., Klempt, M., Min, S.H., McCutcheon, S.N., MacKenzie, D.D.S., Gluckman, P.D.

“…The ability of ovine placental lactogen (oPL) to bind to the growth hormone receptor (GHR) raises the possibility that oPL may exert a growth hormone (GH)-like…”
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IGFBP-2 expression in liver and mammary tissue in lactating and pregnant ewes by Klempt, M, Breier, B H, Min, S H, MacKenzie, D D, McCutcheon, S N, Gluckman, P D

“…Binding proteins for the insulin-like growth factors (IGFBPs) modulate the actions of IGF I and IGF II. IGFBP-2 is particularly high in plasma of pregnant and…”
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Reproductive performance and fetal growth in female mice from lines divergently selected on the basis of plasma IGF-1 concentrations by Kroonsberg, C, McCutcheon, S N, Siddiqui, R A, Mackenzie, D D, Blair, H T, Ormsby, J E, Breier, B H, Gluckman, P D

“…Reproductive performance, mammary gland weight and plasma concentrations of insulin-like growth factor-1 (IGF-1) were examined in 18-day-pregnant mice from…”
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Ultrastructural features of bovine mammary epithelial cells grown on collagen gels by MacKenzie, D D, Brooker, B E, Forsyth, I

“…Bovine mammary epithelial cells cultured on floating gels of rat tail collagen showed two principal cell types, columnar and squamous, with ultrastructural…”
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Culture of bovine mammary epithelial cells on collagen gels by Mackenzie, D D, Forsyth, I A, Brooker, B E, Turvey, A

“…A method for the isolation of lobules of acini from bovine mammary gland and their storage in liquid nitrogen is described. After further dissociation of…”
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Induction of lactation in dry dairy dattle by Tervit, H R, Fairclough, R J, McGowan, L T, MacKenzie, D D, Macmillan, K L, Peterson, A J

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