For the prevention and treatment of Canker. Treats 50 birds. Contains Emtryl. TREATMENT 2.5ml to a gallon of water for 7 days. Give fresh daily. ADULT BIRDS:- To prevent build up of infection in adult birds ,the product should be given three times before mating and before and after the competition. YOUNG BIRDS:- To prevent an outbreak of canker in young birds the drinking water should be medicated with the product for one week in every four. PLEASE NOTE- Medication should be given only after the young birds are self-feeding.