My 1 year old frizzle cochin has been loosing feathers on her neck recently. She was broody somewhat recently and plucked all the feathers on her underside, but I don't think that has anything to do with her losing them on her neck. I had an issue with a hen plucking a different hen last year. It's was also in the chest/neck area. This cochin hen is pretty low in the pecking order. I can get a picture later. How could I fix it?