You've got a feather picker in the group. Whoever has all of their feathers or most of them is the culprit.
@dawg53 uses something that tastes awful and discourages the behavior. He's running the roads today so we'll have to wait on him to tell us what it is.
And I just realized you're in the UK so what he tells you might not be available there. You can smear diaper ointment on the the bald areas. There is something we call Blu Kote here that is a wound treatment that dies the skin blue and covers the red. You might have something comparable.
@dawg53 uses something that tastes awful and discourages the behavior. He's running the roads today so we'll have to wait on him to tell us what it is.
And I just realized you're in the UK so what he tells you might not be available there. You can smear diaper ointment on the the bald areas. There is something we call Blu Kote here that is a wound treatment that dies the skin blue and covers the red. You might have something comparable.