Dichlorvos-impregnated resin strands for control of chicken lice on laying hens.
D000818:Animals; D002645:Chickens; D005260:Female; D007306:Insecticides / Q000494:pharmacology*; D010756:Phosphoric Acids / Q000494:pharmacology; D008003:Phthiraptera / Q000187:drug effects*; D012116:Resins, Plant
D007306:Insecticides; D010756:Phosphoric Acids; D012116:Resins, Plant