Double Barrel VP Insecticide Ear Tags from Merck Animal Health is an insecticide ear tag used for control of horn flies and face flies, on beef and non-lactating dairy cattle and calves. They combine an organo-phosphate and a synthetic pyrethroid to minimize resistance and eliminate the need for ear tag rotation. They control horn flies and face flies for up to five months. Red Tags; Uses Allflex Applicator . 9.5gm. Not for sale to AK, CA, ME
Research shows that using two separate classes of insecticides simultaneously is more effective in controlling horn flies and face flies. Effective for up to five months when two ear tags are applied to beef or non-lactating dairy cattle and calves.
Contains 6.8% Lambdacyhalothrin and 14% Pirimiphos Methyl. Approved for use on beef cattle, non-lactating dairy cattle and calves of all ages
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