Description REVENGEÂ Barn & Stable Fly Spray is a reliable way to protect livestock from fly infestation. For use on horses, cattle, goats, sheep, swine, poultry, and dogs. Can be used indoors, outdoors, and around the farm.PRODUCT DETAILS: Controls insect pests for up to 4 weeks Control flies, lice, gnats, mosquitoes, fleas, ticks & more For use on horses, beef & dairy cattle, goats, sheep, and swine, poultry, and dogs Also for barns, stables, kennels, coups, & other premises For use in rubbers, oilers, & spray systems