Prozap® Insectrin® DustInsectrin Dust Ready to use dust for direct application on animals, poultry and bedding Contains . 25% Permethrin Controls face flies, horn flies, northern fowl mites, lice, fleas and ticks For use on beef cattle, dairy cattle, horses, swine, poultry, dogs and cats Easy to use 2 lb. shaker container Prozap Insectrin Dust is a ready to use dust containing . 25% permethrin for use on animals, poultry, and bedding. Controls lice, fleas, northern fowl,