What is wrong with pigeon crooked head standing?

The unstable standing of the pigeon's head is Salmonella. In addition to the unstable standing of the head, the joints of the legs will also swell, and the body is thin, often thinning, and like to lie down or not like standing.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.