THE EFFECT OF FREE-CHOICE COUMAPHOS SALT MIXTURES ON CATTLE AND  CATTLE PARASITES.
D000818:Animals; D002417:Cattle; D002755:Choice Behavior; D003372:Coumaphos; D007300:Insect Control; D007306:Insecticides; D010271:Parasites
D007306:Insecticides; D003372:Coumaphos
CATTLE; INSECT CONTROL; INSECTICIDES