Ivermectin treatment of ticks.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D005260:Female; D007559:Ivermectin; D007783:Lactones / Q000627:therapeutic use*; D013984:Tick Infestations / Q000188:drug therapy / Q000662:veterinary*
D007783:Lactones; D007559:Ivermectin