Butox Swish 0.75% Pour-on suspension is for the control of biting flies and sucking lice of cattle. Each 100ml of this easy to use pour-on suspension contains 0.75g of deltamethrin.Recommended Dosage and Administration:Pour the product along the backline of the cattle, from the head to the tail.For the control of biting and nuisance flies in cattle a single application provides protection against flies for 8 to 10 weeks. The recommended dose rates are:Up to 100 kg - 10ml100kg - 300 kg - 20mlOver 300 kg - 30mlFor the Control of biting and sucking lice a single application provides protection against lice for 8 to 10 weeks. All in-contact animals must be treated at the same time. A single application is sufficient against lice. The recommended dose rate is:10ml to be given per animal irrespective of weight

£164.61