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IVOMEC EPRINEX 2.5 L. POUR-ON - BIVI - Ivomec Eprinex (eprinomectin) Pour-On for beef and dairy cattle is indicated for the treatment and control of: adult and fourth larval stage gastrointestinal roundworms and lungworms, all parasitic stages of cattle grubs, biting and sucking lice, mange mites and horn flies in cattle at all stages of production and reproduction. Ivomec Eprinex is the first product in United States that requires no milk withholding and no withdrawal for meat. Available in an easily administered formulation, Ivomec Eprinex Pour-On is weatherproof and is unaffected by temperature extremes, permitting its use in all weather. Ivomec Eprinex Pour-On is a clear, ready-to-use solution containing 5 mg per ml of eprinomectin. The recommended dose is 1 ml per 22 pounds of body weight applied topically along the animals top-line from the withers to the tail-head