I have a cochin pullet, about 4 months old, that has a hole in the top of her beak. I don't know if she injured herself or if it could be caused from something else, such as vitamin deficiency or fungus. It couldn't have been there for very long. She seems to be eating and feeling alright. Does anyone know what this might be from and if I need to treat it? Do beaks heal and grow back?


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