title: Use of synthetic pyrethroids.
mesh_terms: D000818:Animals; D002417:Cattle; D004175:Diptera / Q000187:drug effects*; D007300:Insect Control; D026023:Permethrin; D011722:Pyrethrins / Q000627:therapeutic use*
chemical_list: D011722:Pyrethrins; C017160:cypermethrin; D026023:Permethrin