This extremely safe and easy to apply Ivermectin is simply applied at the base of the neck of pigeons. It has been specifically formulated for pigeons and birds to ensure maximum absorption of the drug through the skin. It is highly effective against most external parasites as well as internal Roundworms, Hairworms and Lungworms. It is the most effective for the treatment of Lungworms and Nasal Mites. Part the feathers at the base of the neck of pigeons and apply 2 drops directly on the skin. Repeat treatment every 6 weeks for best results. It is recommended that the use of Avio Ekto/Endo drops be alternated with Avio Ekto/Endo Tablets and Avio Worm powder as the most effective treatment program for the treatment of all internal and external parasites. Contains Ivermectin 0.3% in a special spot on formulation.