I recently bought two 1 year old Rhode Island Red and two Gold Star laying hens from a friend. At their previous home, they lived with a very aggressive Rhode Island Red rooster. When he would go to mount the Rhode Island Red hens, he would peck at their backs very hard and eventually their feathers started falling off. This is why I adopted them from her. He pecked at their backs so hard that their skin is BRIGHT red and swollen. He did make them bleed in a couple small spots that are healed now. As far as the Gold Star hens go, he only pecked a few feathers off of their wings. What I was wondering is- 1.) How long will it take for their feathers to grow back (if at all)? 2.) Should I be putting something on their bare skin? I live in central Minnesota and it is currently only 11 degrees outside. They live in a coop that is ALWAYS atleast 50 degrees but they like to go in their run when I let them (I only let them outside if it gets to 30 degrees or warmer). 3.) Since they used to live with an aggressive rooster, would it be a bad idea to get hens from a different place in the spring? Could they be aggressive towards them? Thank you!!!