FREE Applicator with the purchase of 4 gallons. Contains 5 mg ivermectin/mL. Ivermectin Pour-On applied at the recommended dose level of 500 mcg/kg is indicated for the effective control of these parasites. Gastrointestinal Roundworms: Ostertagia ostertagi (including inhibited stage) (adults and L4) Haemonchus placei (adults and L4) Trichostrongylus axei (adults and L4) T. colubriformis (adults and L4) Cooperia spp (adults and L4) Strongyloides papillosus (adults) Oesophagostomum radiatum (adults and L4) Trichuris spp (adults). Lungworms: Dictyocaulus viviparus (adults and L4). Cattle Grubs (parasitic stages): Hypoderma bovis H. lineatum.Mites: Sarcoptes scabiei var. bovis. Lice: Linognathus vituli Haematopinus eurysternus Damalinia bovis Solenopotes capillatus. Horn Flies: Haematobia irritans.