'' Please don't let your chicken get picked on, repeatedly, torn up, tormented----if you can not round up a cheap place to put her away from the others----give her away or at least wring her neck and put her in a pot of stew---at least she want be tortured every day---anymore---Sorry.
You got some hens that are like some of mine----Just Mean. No thats not normal, but it happens about every time with my older Rhode Island Reds. One thing that I have done that seems to work is take the peckers and put them in another location, allowing the new ones to get use to the new...