Výsledky vyhledávání

Lysine Metabolism by the Mammary Gland of Lactating Goats at Two Stages of Lactation

Autor: Brian J. Bequette, J.C. MacRae, C.E. Kyle, S.J. Mabjeesh

Publikováno v: Journal of Dairy Science. 83:996-1003

An arteriovenous kinetics technique was used to monitor mammary gland lysine and protein metabolism in goats (n = 4) at two stages of lactation (80 +/- 17 vs. 233 +/- 14 DIM) in response to an i.v. infusion of lysine (Lys) plus methionine (Met). At e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eba2f1076a618ba2306ee15631da6cef
https://doi.org/10.3168/jds.s0022-0302(00)74964-2

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Protein metabolism in lactating goats subjected to the insulin clamp

Autor: Brian J. Bequette, C.E. Kyle, Mark D. Hanigan, Susan E. Anderson, Les A. Crompton

Publikováno v: Journal of dairy science. 85(6)

A model of Leu and protein metabolism by the mammary gland and hind leg of lactating goats was constructed and evaluated from data collected by using [ 15 N, 1- 13 C]Leu kinetics measured during amino acid (AA) infusion and a hyperinsulinemic-euglyce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28212deb3efc96314a2840f45c30c425
https://pubmed.ncbi.nlm.nih.gov/12146487

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Vascular sources of amino acids for milk protein synthesis in goats at two stages of lactation

Autor: Brian J. Bequette, J.C. MacRae, Mark D. Hanigan, S.J. Mabjeesh, C.E. Kyle

Publikováno v: Journal of dairy science. 85(4)

An arteriovenous technique, combined with a 30-h i.v. infusion of [5-(13)CH3]Met and [5,5,5-(2)H]Leu, was used to monitor mammary uptake of free amino acid (AA) and to estimate the proportion of casein synthesized from circulating peptides in goats i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3320c062c52e8aa84bc3a1a6ce466ef2
https://pubmed.ncbi.nlm.nih.gov/12018437

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Vascular sources of phenylalanine, tyrosine, lysine, and methionine for casein synthesis in lactating goats

Autor: B.J. Bequette, F.R.C. Backwell, C.E. Kyle, A.G. Calder, V. Buchan, L.A. Crompton, J. France, J.C. Macrae

Publikováno v: Journal of dairy science. 82(2)

The contribution to casein biosynthesis of peptides derived from blood was examined in late lactation goats (254 to 295 d in milk). Ratios of mammary uptake of free amino acids (AA) in blood to output of AA in milk protein and ratios of the enrichmen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03c48ee8afb385acfc0a8148c68e8d3e
https://pubmed.ncbi.nlm.nih.gov/10068958

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Bioaccummulation of the endocrine disrupting compound, dioctyl phthalate, in sheep grazing pasture treated with sewage sludge or inorganic fertiliser

Autor: S.M. Rhind, C.E. Kyle, G. Telfer, G. Martin, A. Smith

Publikováno v: Proceedings of the British Society of Animal Science. 2001:67-67

Endocrine disrupting compounds (EDC) are chemically diverse and ubiquitous compounds which are released into the environment as a result of industrial, domestic and agricultural processes. They are generally readily absorbed from ingested food and wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2530b980ceb2c503e46085be2471184
https://doi.org/10.1017/s175275620000449x

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The effects of nutritional status and insulin on the partition of blood flow to the mammary gland and milk composition in Iactating goats

Autor: W.G. Randles, Brian J. Bequette, Mark D. Hanigan, C.E. Kyle, Les A. Crompton

Publikováno v: Proceedings of the British Society of Animal Science. 1998:2-2

It is known that feeding frequency affects the insulin status of lactating ruminants (Sutton et al, 1988), and that this may influence milk composition. It is unclear, however, whether these effects are due to modulation of mammary metabolism, or reg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09a8484380b7bb20b2a930c1f2153fc9
https://doi.org/10.1017/s1752756200596549

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The effect of free amino acid supply on the contribution of peptide-bound phenylalanine and tyrosine to casein synthesis in late lactation goats

Autor: B.J. Bequette, F.R.C. Backwell, C.E. Kyle, A.G. Calder, L.A. Crompton, J. France, J.C. MacRae

Publikováno v: Proceedings of the British Society of Animal Science. 1998:3-3

The mammary gland of lactating ruminants (Guinard & Rulquin 1994) does not appear to extract sufficient quantities of free amino acids (AA) to account for their output as milk protein. Based upon application of a precursor (blood or plasma free AA):p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c4e0f76026bf8923d0376d71d03eeeb
https://doi.org/10.1017/s1752756200596550

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The effect of feeding level during a 12-day progesterone-priming period on the viability of embryos collected from superovulated ewes

Autor: T.G. McEvoy, J.J. Robinson, R.P. Aitken, C.E. Kyle, I.S. Robertson

Publikováno v: Proceedings of the British Society of Animal Production (1972). 1993:57-57

Several studies have shown that the level of peri- and post-ovulatory progesterone in ewes can critically influence embryo survival (Ashworth, Sales & Wilmut, 1989; Parr, 1992). However, the effect of altering pre-ovulatory progesterone concentration

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6f4c82e6eb7bb4a6aa5f660c004e404
https://doi.org/10.1017/s0308229600023849

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