Anti-Parasite fights roundworms, (trachea) mites and lice in birds. In handy squeeze pipettes that prevent overdosing. Anti-Parasite is absorbed through the skin and offers 4 weeks protection against internal and external parasites. Anti-Parasite 10 is suitable for small birds weighing 20-50 g, such as canaries and budgerigars. If necessary, the treatment can be repeated after four weeks (not earlier).