Protein Reserves in the Lactating Dairy Cow
نویسندگان
چکیده
منابع مشابه
Dynamic model of the lactating dairy cow metabolism.
The whole-animal model described in this paper is intended to be a research model with an intermediary structure between sophisticated and simple cow models. The mechanistic model structure integrates the main metabolic pathways of the lactating dairy cow. Milk yield and related feed intake for varying production potentials were considered to be the driving forces and were empirically defined. ...
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Bailey, R. W. (1959). Biochem. J. 71, 23. Baker, F., Nasr, H., Morrice, F. & Bruce, J. (1950). J. Path. B a t . 62, 617. Bryant, M. P. & Small, N. (1956). J . Bact. 72, 16. Bryant, M. P., Small, N., Bouma, C. & Chu, H. (1958). 3. Bact. 76, 15. Bryant, M. P., Small, N., Bouma, C. & Robinson, I. M. (1958). J. Bact. 76, 529. Burroughs, W., Frank, N. A., Gerlaugh, P. & Bethke, R. M. (1950). J . Nut...
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Ruminants make efficient use of diets that are poor in true protein content because microbes in the rumen are able to synthesize a large proportion of the animal’s required protein. The amino acid (AA) pattern of this protein is of better quality than nearly all of the dietary ingredients commonly fed to domestic ruminants (Broderick, 1994; Schwab, 1996). In addition, ruminal microbial utilizat...
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Metabolism in the mammary gland was related to changes in milk output in response to changes in dietary protein intake. Three diets of grass silage and concentrate were fed to four lactating dairy cows equipped with intravascular catheters across the mammary gland. Concentrates differed in the inclusion of protected soybean meal and provided 11.3, 15.4, and 20.1% CP, respectively. Blood samples...
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The objective of this work was to construct a dynamic model of hepatic amino acid metabolism in the lactating dairy cow that could be parameterized using net flow data from in vivo experiments. The model considers 22 amino acids, ammonia, urea, and 13 energetic metabolites, and was parameterized using a steady-state balance model and two in vivo, net flow experiments conducted with mid-lactatio...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1979
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(79)83263-4