What is the disease that pigeons won't fly anymore

The pigeons will not fly. It may be infected with Salmonella.This disease will cause it to distort the head to stand unstable, the joints of the legs are swollen, the body is thin, and often dilutes.For this kind of disease, L -caronicide needs to be treated for treatment.In addition, it may also be caused by calcium or potassium deficiency, which shows that it is usually not sunny and vitamin is deficient in the body. It needs to be allowed to accept light and supplement a little cod liver oil.