Influence of forage type, ratio of forage to concentrate, and methionine hydroxy analog on performance of dairy cows

In a 2-yr study, 44 primiparous and 77 multiparous cows were assigned to one of 12 dietary treatments (2 X 3 X 2 factorial). Treatments were two forages (alfalfa or smooth bromegrass), three percentages of grain (40, 50, or 60% of diet DM), and two percentages of methionine hydroxy analog (0 or .15%...

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Veröffentlicht in:	Journal of dairy science 1991-04, Vol.74 (4), p.1361-1369
Hauptverfasser:	Hansen, W.P, Otterby, D.E, Linn, J.G, Donker, J.D
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Factors alfalfa Animal Feed Animals Biological and medical sciences Bromus Cattle - physiology concentrates dairy cows Dietary Fiber - administration & dosage Dietary Proteins - administration & dosage Eating Fatty Acids, Volatile - analysis Feed and pet food industries feed intake Female Food industries forage Fundamental and applied biological sciences. Psychology hay Hydrogen-Ion Concentration Lactation Medicago sativa Methionine - analogs & derivatives Methionine - pharmacology methionine hydroxy analog Milk - chemistry Milk - secretion milk composition milk yield Poaceae Rumen - chemistry
Online-Zugang:	Volltext
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