title: Horn flies and stable flies: free-choice feeding of methoprene mineral blocks to cattle for control.
mesh_terms: D000818:Animals; D002070:Butadienes / Q000008:administration & dosage*; D002417:Cattle; D004175:Diptera; D007300:Insect Control; D008903:Minerals / Q000008:administration & dosage
chemical_list: D002070:Butadienes; D008903:Minerals