What's wrong with the parrot's mouth rot?

The parrot's mouth may be long moss, and it needs to hang it out. Apply Vaselin, or it may be physical damage. Pay attention to calcium supplementation.This bird is usually eaten with fruits, seeds, and buds and buds, and occasionally eats insects.If you feed artificially, you can also feed some fruits and vegetables, but do not feed too much, otherwise the birds are prone to thinning.In addition, check the sacs before each feeding to see if the digestion is complete to avoid food accumulation and cause it to become inflamed.