Protein Digestion and Intestinal Amino Acids in Dairy Cows Fed Fresh Lolium perenne with Different Nitrogen Contents

An experiment was carried out to study digestion and intestinal AA in three ruminally and duodenally cannulated, lactating cows fed freshly cut grass (Lolium perenne) fertilized with 500 and 275k of Nha per yr, respectively. High N grass was fed in June and October, and low N grass was offered in Ju...

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Veröffentlicht in:	Journal of dairy science 1992-08, Vol.75 (8), p.2215-2225
Hauptverfasser:	Van Vuuren, A.M., Krol-Kramer, F., Van der Lee, R.A., Corbijn, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	ABONOS NITROGENADOS ACIDE AMINE ACIDE GRAS VOLATIL ACIDO GRASO VOLATIL Amino Acids - metabolism AMINOACIDOS AMMONIAC AMONIACO Animal Feed Animals Biological and medical sciences Cattle - metabolism CONTENIDO DE MATERIA SECA CONTENIDO DE NITROGENO dairy cows DEBIT Dietary Proteins - metabolism DIGESTA DIGESTIBILIDAD DIGESTIBILITE Digestion Duodenum - metabolism ENGRAIS AZOTE Feed and pet food industries Female FERMENTACION FERMENTATION Food industries Fundamental and applied biological sciences. Psychology GASTO grass INGESTION DE PIENSO Intestines - metabolism Lolium LOLIUM PERENNE Nitrogen - administration & dosage PRISE ALIMENTAIRE (ANIMAUX) protein digestion PROTEINA BRUTA PROTEINE BRUTE RUMEN Rumen - metabolism ruminal fermentation Seasons TENEUR EN AZOTE TENEUR EN MATIERE SECHE VACAS LECHERAS VACHE LAITIERE VARIACION ESTACIONAL VARIATION SAISONNIERE
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