Pystol Farm and Dairy is an aerosol spray that will provide a quick knockdown and kill of those nagging pests that often bother cattle, hogs, horses, poultry, and other livestock. Often called the "Dairy Bomb", Pystol Farm and Dairy is proven effective against flies, mosquitoes, ticks, lice, fleas, and spiders. Pystol Farm and Dairy is formulated with two active ingredients and a synergist, which kills flying insects quickly and has a residual activity that will last for hours. It can be used as a spot treatment, a space spray, mist, or fog for fly control, and a direct spray on cattle, horses, and swine. To treat cattle barns, hog barns, horse barns and stables, close all windows and doors and spray at a rate of 1-2 seconds per every 1,000 cubic feet of space. let sit for 15 minutes, then vent thoroughly. Repeat daily as necessary.