Horn flies: control with dichlorvos-impregnated resin blocks attached to bands on the rear legs of cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004006:Dichlorvos / Q000008:administration & dosage* / Q000627:therapeutic use; D004175:Diptera; D004478:Ectoparasitic Infestations / Q000517:prevention & control / Q000662:veterinary*; D006614:Hindlimb; D006733:Horns
D004006:Dichlorvos