Spray treatment of calves with Bayer 21/199 for control of cattle grubs and lice in Montana.
D000818:Animals; D002417:Cattle / Q000469:parasitology; D007306:Insecticides / Q000628:therapy*; D010373:Lice Infestations / Q000662:veterinary*; D009009:Montana; D008003:Phthiraptera
D007306:Insecticides
CATTLE/parasitology; INSECTICIDES/therapy; PEDICULOSIS/veterinary