title: Evaluation of foods as sources of nitrogen and amino acids.
mesh_terms: D000018:Abomasum / Q000378:metabolism; D000596:Amino Acids / Q000032:analysis*; D000821:Animal Feed / Q000032:analysis; D000818:Animals; D004044:Dietary Proteins / Q000032:analysis* / Q000378:metabolism; D007408:Intestinal Absorption; D009584:Nitrogen / Q000032:analysis* / Q000378:metabolism; D009751:Nutritional Requirements; D012417:Rumen / Q000378:metabolism / Q000382:microbiology; D012756:Sheep
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins; D009584:Nitrogen