This is my "runt" white rock chick, who has been isolated from my other chicks for the past few days due to some concerns about its health. Tonight I noticed it flexing its right foot, and then limping around its cage. Is this some kind of infection? The underneath of this foot appears to be peeling. How should I proceed with treatment? There is nothing in its cage that could cause an injury (no wire floor!), and it is the one and only chick in that particular cage. Any thoughts or advice would be much appreciative!