One of my year old Black Copper Marans has a patch of feathers missing on her breast. She is the one with "not so developed" legs, so she squats a lot to peck/eat. She seems to be the healthiest and happiest hen of all. This "raw" looking area has developed in the past week. A friend, who has children who successfully show chickens at fairs, FFA, 4H......asked if she every lays down. Yes she does and I have seen her laying down to peck at scratch, but she'll just jump up and move on. Again, she seems fine, I am just concerned.......or should I be? I picked her up yesterday and rubbed the raw area to which she didn't show any sign of pain. Any help will be appreciated.