Hiya! I had a ruthless rooster who wouldn't stop riding my 3 hens, so I found somebody with 30 hens who wanted a rooster. That's more his speed; 30 hens. Anyway, he wore the feathers off the tops of my hens. He's been gone awhile, but their backs aren't re-feathering. In fact two of them look worse. Kind of inflamed, even, maybe sunburn. What do I do?? One of them is a big fat Brahma, so if I go with the fabric saddle covers, I'd need to find a big one for he