HELP!!! Today I went into my coop and watched my Hen walk in front of me and her butt was bare, naked, no feathers, it was like a circle. She will be a year in May! She started laying at 6 months and lays everyday. Maybe one day she didn't. Is she okay?? Should I do something? Should I be worried? This is first year with chickens and let me tell u this northern Illinois weather is a pain.