Systemic insecticides in livestock insect control.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D006734:Horse Diseases / Q000517:prevention & control*; D006736:Horses; D007306:Insecticides / Q000494:pharmacology*; D007815:Larva Migrans / Q000517:prevention & control*; D009198:Myiasis / Q000517:prevention & control*; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*
D007306:Insecticides