We have a 3.5 years old white rock hen who has lost about 70% of her feathers due to mites. We didn't catch them in enough time, but think they are gone now. The problem is that it is almost October, and it's getting colder. We live in Portland, OR, so it doesn't get crazy cold, but I don't think she'll do well this winter with the few feathers she has left (don't think she has enough time to grow them back). Any suggestions? Will she make it through the winter? (My wife is against getting her a sweater). Thanks for any advice.