3 drops of ivermectin down its throat should get the worms.
Yep, I was just going to mention this one, our local racing club president told me all about it.have you tried Moxidectin Plus from Siegel pigeons?
"Moxidectin Plus - This wormer has all of the benefits of Moxidectin along with the added ingredient of praziquantel for tapeworm control, making this the best all-round wormer for pigeons. Developed by Dr. Colin Walker, "The Flying Vet." (Australian Pigeon Company)"