title: Quantitative aspects of nitrogen utilization in ruminants.
mesh_terms: D000018:Abomasum / Q000378:metabolism; D000601:Amino Acids, Essential / Q000378:metabolism*; D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D004734:Energy Metabolism; D005243:Feces / Q000032:analysis; D005260:Female; D007413:Intestinal Mucosa / Q000378:metabolism; D007774:Lactation; D008297:Male; D008321:Mammary Glands, Animal / Q000378:metabolism; D008892:Milk / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism* / Q000652:urine; D009851:Omasum / Q000378:metabolism; D011247:Pregnancy; D011506:Proteins / Q000378:metabolism; D012417:Rumen / Q000378:metabolism* / Q000382:microbiology; D012756:Sheep / Q000378:metabolism*; D014599:Uterus / Q000378:metabolism
chemical_list: D000601:Amino Acids, Essential; D011506:Proteins; D009584:Nitrogen