Viper™ contains thiacloprid which has a unique mode of action that provides rapid knockdown control of lice.² Viper continues to kill adult lice and emerging nymphs for 4 weeks after treatment when applied within 24 hours of shearing. Viper can be applied up to 7 days after shearing or to unshorn lambs from two weeks to two months of age. Elanco offer a 6 month off shears lice free guarantee.
*Delivery costs are determined by weight, so bulky or heavy items (+15 Kg) may incur additional delivery charges. This will be clarified, prior to confirmation of your order.*