Flys-X® For LivestockThe perfect livestock fly spray for hobby farmers Water based Flys X is a livestock fly spray ideal for the multi species fly control needs of hobby farmers. Water based (aqueous) formula contains pyrethrins, a botanical insecticide For use on horses, foals, cattle, pigs, goats, sheep, donkeys, llamas, poultry, and dogs Kills horn flies, houseflies, face flies, mosquitoes, gnats, and blood sucking lice Kills fleas and ticks on dogs and on premises