New birds may introduce worms, mites, lice and other parasites into your aviary, so it is a good idea to treat them for parasites and quarantine them for a few days first.Protects AgainstAvitrol Plus treats ornamental birds for:Threadworm (Capillaria spp.),Caecal worm (Heterakis spp.),Roundworm (Ascaridia spp.),Gape worm (Syngamus spp.),Gizzard worm (Acuaria spp.),Tapeworm (Raillietina spp.).Active Ingredients10mg/ml Levamisole hydrochloride (equivalent to 8.48 mg/ml Levamisole base).2mg/ml Praziquantel.