title: Downer cows.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy* / Q000209:etiology / Q000628:therapy; D005260:Female; D010319:Parturient Paresis / Q000188:drug therapy / Q000209:etiology / Q000628:therapy; D011247:Pregnancy