title: The urinary excretion of orotic acid and urea in dairy cows in early lactation.
mesh_terms: D000818:Animals; D002417:Cattle / Q000652:urine*; D005260:Female; D007774:Lactation; D009963:Orotic Acid / Q000652:urine*; D011247:Pregnancy; D014508:Urea / Q000652:urine*
chemical_list: D009963:Orotic Acid; D014508:Urea