Insectrin Dust ready to use dust contains. 25 percent permethrin for direct application on animals, poultry and bedding. Controls lice, fleas, northern fowl, mites, flies and ticks found in bedding, cracks and crevices. For use on dairy cattle, beef cattle, horses, swine, poultry, dogs, cats and livestock premises and homesFor the control of lice, flies, fleas and ticksCan be applied directly to animals, bedding and premises