(Starbar) Prolate/Lintox-HD is a highly effective organophosphorous insecticide. Use as a spray to control lice and mange on swine or to control horn flies, lice, mange and ticks on cattle. One quart mixes with 25 gallons of water and will treat up to 100 hogs. One day withdrawal for swine. One quart makes up to 200 gallons spray for use on beef and non-lactating dairy cattle. Three days slaughter withdrawal for cattle. Cattle rub: mix 1 gal/50 gal diesel.