  MERCK Ultra Saber pour-on insecticide controls horn flies on beef cattle and calves. Contains 1% lambdacyhalothrin and 5% piperonyl butoxide, a synergist that improves insecticidal activity. Field trial results show that it was the most effective treatment for reducing initial and subsequent horn fly populations during the 8-week trial period. Also controls lice. Do not apply to lactating or dry dairy cows. Do not apply to face of beef cattle or calves. Not recommended for use on veal calves. Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com |
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 900 ml |
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 gal |
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Please contact us for discount pricing on large orders. Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com | |||||||||||
