IVOMEC EPRINEX (eprinomectin) Pour-On is indicated for the treatment and control of gastrointestinal roundworms (including inhibited Ostertagia ostertagi), lungworms, grubs, sucking and biting lice, chorioptic and sarcoptic mange mites, and horn flies in beef and dairy cattle of all ages, including lactating dairy cattle. Applied at the recommended dose volume of 1 mL/10 kg (22 lb) body weight, to achieve a dose level of 500 mcg eprinomectin/kg body weight, IVOMEC EPRINEX Pour-On is indicated for the effective treatment and control of the following parasites. Gastrointestinal Roundworms: Haemonchus placei (adults and L4), Ostertagia ostertagi (including inhibited L4) (adults and L4), Trichostrongylus axei (adults and L4), Trichostrongylus colubriformis (adults and L4), Trichostrongylus longispicularis (adults only), Cooperia oncophora (adults and L4), Cooperia punctata (adults and L4), Cooperia surnabada (adults and L4), Nematodirus helvetianus (adults and L4), Oesophagostomum radiatum (adults and L4), Bunostomum phlebotomum (adults and L4), Strongyloides papillosus (adults only), Trichuris spp. (adults only).