SHIELDaids in the control of synthetic Pyrethroid susceptible nuisance flies, biting insects and Queensland Itch on horses. As a unique "pour-on" for horses, SHIELD not only repels flies longer than sprays, it's also easier to apply.
Simply pour it along the backline as per the directions. The insects will come in contact with Shield as the naturally migrate around the body. The dosage may be divided to target specific areas that are more prone to bites.