We have a white leg horn chicken who a few months ago battles a case of mites and was ill bit has since seemingly gotten better. She has always been a bit rough (always dirty, feathers disheveled, etc). Went out this morning and the other chickens were plucking the feathers off of her back. Her back is raw and bloody. We obviously need to segregate her for a bit, but don't know why she is having such trouble and what to do. Does she need to be segregated overnight while in the coop as well? How can we help this sweet girl? Do we wrap her body in anything? Meds? Help!!