I have two Buff Orps that keep pecking the two hens lower then them it's off and on when they go to scratch in a spot one will run up peck and make it leave and scratch in its spot or if I put any scratch down even tho I do several piles a ways apart they chase the around wanting to eat where they are. Now the one one the very bottom of the pecking order has a bald spot on top her head. I only let them together if their out in the elsctric fence area or free range in the field. Whenever their in the run I keep a fence between them because I'm afraid the pecking would be worse in a smaller area. Should I get rid of the BO?