Pour on containing 1.25% w/v high-cis cypermethrin for the prevention and treatment of blowfly strike in sheep. Prevention dose rates - Animals less than 25kg bodyweight 20ml, animals 25-40kg bodyweight 30ml, animals over 40kg bodyweight 40ml. Can also be used as a treatment for blowfly strike(2.5ml per 100-150cm sq), ticks (10ml per 20kg bodyweight up to a maximum of 40ml), headflies (5ml per sheep) and lice (5ml per 20kg bodyweight up to a maximum of 20ml). Meat withdrawal 8 days - milk - do not use. Correct applicator is essential.