title: Effect of feeding urea on reproductive efficiency in Michigan Dairy Herd Improvement Association herds.
mesh_terms: D000818:Animals; D002417:Cattle / Q000378:metabolism / Q000502:physiology*; D002418:Cattle Diseases / Q000453:epidemiology; D005260:Female; D007247:Infertility, Female / Q000453:epidemiology / Q000662:veterinary; D007774:Lactation; D008824:Michigan; D011247:Pregnancy; D012098:Reproduction; D012820:Silage; D014508:Urea / Q000378:metabolism*; D003313:Zea mays
chemical_list: D014508:Urea