title: Dynamics of blood urea and ruminal ammonia in fasting sheep.
mesh_terms: D000641:Ammonia / Q000032:analysis / Q000378:metabolism*; D000818:Animals; D005215:Fasting; D005402:Fistula / Q000378:metabolism; D012417:Rumen / Q000378:metabolism*; D012756:Sheep / Q000378:metabolism*; D013997:Time Factors; D014508:Urea / Q000097:blood* / Q000378:metabolism
chemical_list: D000641:Ammonia; D014508:Urea