Several of my chickens have feathers that are broken and worn- they look like porcupine quills. What is the best way to remove them, and do I need to treat the area/follicle after the feather is removed? Also, I have a Delaware with a bald back caused by an over zealous roo. It doesn't seem like they are growing back at all, and she appears to have a sunburn. I have contemplated a saddle for her, but what to do until I can get/make one?