Nitrogen cycling in sheep.
D000018:Abomasum / Q000378:metabolism; D000641:Ammonia / Q000378:metabolism; D000818:Animals; D001806:Blood Urea Nitrogen; D007420:Intestine, Large / Q000378:metabolism; D007421:Intestine, Small / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism*; D009587:Nitrogen Isotopes; D012417:Rumen / Q000378:metabolism; D012756:Sheep / Q000378:metabolism*; D013279:Stomach, Ruminant / Q000378:metabolism; D014508:Urea / Q000378:metabolism
D009587:Nitrogen Isotopes; D000641:Ammonia; D014508:Urea; D009584:Nitrogen