title: Proceedings: Factors affecting free amino acid and urea nitrogen concentrations in the blood plasma of ruminating calves.
mesh_terms: D000596:Amino Acids / Q000097:blood*; D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001806:Blood Urea Nitrogen; D002417:Cattle / Q000378:metabolism*; D004044:Dietary Proteins / Q000008:administration & dosage; D009751:Nutritional Requirements
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins