We have 8 chickens total with 1 jersey giant that is the top chicken she is pecking at the chest feathers of three of the lower pecking order chickens along with the head feathers. She has one to the point where there are no feathers left on her head it is just all red skin and so I have removed her. We built them a bigger coup this year so they have enough room and they have a run that is 8x10 that is always accessible any other ideas or is this just normal. Thanks for all ideas. Also they have one trough style feeder someone mentioned to me perhaps we needed two of those.