IVANOR 1% ORAL Dewormer is used for prevention and treatment of both external and intenal parasites in poultry, sheep and goats. The treatment and control of gastrointestinal nematodes and lungworms and nasal bots. Gastrointestinal worms (adult and immature): Haemonchus contortus, Ostertagiaorcumoincta, Inchostrongylus spp, Coopenia spp, Nematodirus Sppincluding N.battus, Strongyloides papilosus, Oesophagostomum spp, andadut Chabertia ovina.inhibited larval stages and benzimidazole resistant strains of H. contortus and Ostertagia circumcincta are also controlled Lungworms (adult and immature): Dictyocaulus filarial. Nasal botall larval stages): Oestus ovis.