Power dusting with organophosphorus insecticides to control the sheep ked.
D000336:Aerosols; D000818:Animals; D007300:Insect Control; D007306:Insecticides / Q000627:therapeutic use*; D009943:Organophosphorus Compounds; D009946:Organothiophosphorus Compounds; D011208:Powders; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D013984:Tick Infestations / Q000517:prevention & control / Q000662:veterinary*
D000336:Aerosols; D007306:Insecticides; D009943:Organophosphorus Compounds; D009946:Organothiophosphorus Compounds; D011208:Powders