Splanchnic metabolism of nitrogenous compounds and urinary nitrogen excretion in steers fed alfalfa under conditions of increased absorption of ammonia and L-arginine supply across the portal-drained viscera

Effects of increased ammonia and/or arginine absorption across the portal-drained viscera (PDV) on net splanchnic (PDV and liver) metabolism of nitrogenous compounds and urinary N excretion were investigated in six catheterized Hereford x Angus steers (501 +/- 1 kg BW) fed a 75% alfalfa:25% (as-fed...

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Veröffentlicht in:	Journal of animal science 2005-05, Vol.83 (5), p.1075-1087
Hauptverfasser:	Maltby, S. A, Reynolds, C. K, Lomax, M. A, Beever, D. E
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acids - blood Ammonia - metabolism Ammonia - urine Animal Feed - analysis Animal productions Animals Arginine - administration & dosage Arginine - metabolism Biological and medical sciences Body Weight Cattle - metabolism Diet - veterinary Fundamental and applied biological sciences. Psychology Hematocrit - veterinary Liver - drug effects Liver - metabolism Male Medicago sativa - metabolism Nitrogen - urine Nitrogen Compounds - blood Nitrogen Compounds - metabolism Portal Vein - physiology Random Allocation Terrestrial animal productions Urea - administration & dosage Urea - pharmacology Urine - chemistry Urine - physiology Vertebrates Viscera - drug effects Viscera - metabolism
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