Effects of a Proteolytic Feed Enzyme on Intake, Digestion, Ruminal Fermentation, and Milk Production

The effects of exogenous proteolytic enzyme (EPE) on intake, digestibility, ruminal fermentation, and lactational performance were determined using 8 lactating Holstein cows in a double 4 ×4 Latin square experiment with a 2 ×2 factorial arrangement of treatments. Diets based on barley silage and alf...

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Veröffentlicht in:	Journal of dairy science 2005-06, Vol.88 (6), p.2140-2153
Hauptverfasser:	Eun, J.-S, Beauchemin, K. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal Feed Animal productions Animals Bacillus - enzymology Biological and medical sciences Cattle - physiology dairy cows dairy efficiency Diet digestibility Digestion - drug effects dry matter intake Eating - drug effects exogenous proteolytic enzyme Fats - analysis Fatty Acids, Volatile - analysis feed additives Feed and pet food industries feed concentrates feed conversion Female Fermentation - drug effects Food industries forage to concentrate ratio Fundamental and applied biological sciences. Psychology Hordeum Hordeum vulgare Hydrogen-Ion Concentration in vitro digestibility Lactation - drug effects Lactose - analysis Medicago sativa Milk - chemistry milk composition Milk Proteins - analysis Peptide Hydrolases - administration & dosage Rumen - chemistry Rumen - metabolism Rumen - microbiology rumen fermentation Silage Terrestrial animal productions Vertebrates
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