The effectiveness of ivermectin for reducing bovine gastrointestinal helminthiasis.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D004338:Drug Combinations; D007559:Ivermectin / Q000031:analogs & derivatives; D007783:Lactones / Q000008:administration & dosage / Q000627:therapeutic use*; D009349:Nematode Infections / Q000188:drug therapy / Q000662:veterinary*
D004338:Drug Combinations; D007783:Lactones; C022120:avermectin B(1)a; D007559:Ivermectin