title: The course of ammonia concentration in the rumen fluid of lactating dairy cows after the intake of corn silage with or without added urea or 1.1.-diureido isobutane.
mesh_terms: D000641:Ammonia / Q000378:metabolism*; D000818:Animals; D002073:Butanes / Q000378:metabolism; D002417:Cattle / Q000378:metabolism*; D004032:Diet; D005260:Female; D007774:Lactation; D011247:Pregnancy; D012417:Rumen / Q000378:metabolism*; D014508:Urea / Q000378:metabolism
chemical_list: D002073:Butanes; D000641:Ammonia; D014508:Urea