Intestinal digestibility of amino acids in rumen undegradable protein estimated using a precision-fed cecectomized rooster bioassay: I. Soybean meal and SoyPlus

The objectives of this experiment were to measure intestinal digestibility of AA in rumen undegradable protein (RUP-AA) in soybean meal (SBM) and expeller SBM (SoyPlus, West Central, Ralston, IA; SP) and to determine if these feeds contain a constant protein fraction that is undegradable in the rume...

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Veröffentlicht in:	Journal of dairy science 2009-09, Vol.92 (9), p.4489-4498
Hauptverfasser:	Boucher, S.E, Calsamiglia, S, Parsons, C.M, Stein, H.H, Stern, M.D, Erickson, P.S, Utterback, P.L, Schwab, C.G
Format:	Artikel
Sprache:	eng
Schlagworte:	amino acids Amino Acids - metabolism Animal productions Animals bioassays Biological and medical sciences Biological Assay - methods Biological Assay - veterinary Cattle - metabolism Chickens - metabolism cow feeding dairy cows dietary protein Dietary Proteins - metabolism digestibility Digestion - physiology expeller soybean meals feed composition Female Food industries Fundamental and applied biological sciences. Psychology Glycine max - metabolism intestinal absorption Intestine, Small - metabolism lactation Male Milk and cheese industries. Ice creams nutrient balance nutritive value proteolysis roosters Rumen - metabolism rumen fermentation rumen undegradable protein ruminant nutrition small intestine soy protein soybean meal Terrestrial animal productions Vertebrates
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