Anthelmintic prophylactic methods.
D000818:Animals; D000871:Anthelmintics / Q000008:administration & dosage*; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000517:prevention & control / Q000662:veterinary*
D000871:Anthelmintics