Umm picking off that black area that is on the side is a tough call my experience with pealing off dead hardened skin was with this hen pictured. This is the rear of the chicken, and I peeled off the piece in this picture and it reopened the wound and started bleeding again. The other ones that...
I have had to nurse injured chickens a few times in the last several months twice from dogs and once from a raccoon attack. I made sure they had electrolytes in their water and feed/gave water with a dropper the first several days. I also slathered antibiotic ointment on the wounds and kept them...