Postprandial Changes of Selected Blood and Ruminal Metabolites in Ruminating Calves Fed Diets with or Without Hay

Eight ruminally cannulated Holstein bull calves were used in a switchback design to evaluate effects of hay on post-prandial changes in ruminal pH, ammonia and VFA, blood ketones, and plasma glucose, NEFA, VFA, and urea N. Calves were fed 4.5 kg/d of calf starter with or without hay for ad libitum c...

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Veröffentlicht in:	Journal of dairy science 1992-01, Vol.75 (1), p.228-235
Hauptverfasser:	Quigley, J.D., Steen, T.M., Boehms, S.I.
Format:	Artikel
Sprache:	eng
Schlagworte:	3-Hydroxybutyric Acid ACIDE GRAS VOLATIL ACIDO GRASO VOLATIL ALIMENT POUR ANIMAUX ALIMENTACION DE LOS ANIMALES ALIMENTATION DES ANIMAUX Ammonia - analysis Animal Feed Animals Blood Glucose - analysis BOVIN calf starter calves Cattle - blood Cattle - physiology COMPOSICION DE LA SANGRE COMPOSICION QUIMICA COMPOSITION CHIMIQUE COMPOSITION DU SANG CONTENIDO DE MATERIA SECA Fatty Acids, Nonesterified - blood Fatty Acids, Volatile - analysis Fatty Acids, Volatile - blood FOIN GANADO BOVINO HENO Hydrogen-Ion Concentration Hydroxybutyrates - blood INGESTION DE PIENSO ketones Ketones - blood Male METABOLISME METABOLISMO METABOLITE METABOLITOS PIENSOS Poaceae PRISE ALIMENTAIRE (ANIMAUX) Random Allocation RUMEN Rumen - chemistry Rumen - physiology TENEUR EN MATIERE SECHE TERNERO VEAU volatile fatty acids
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