I got four chickens on New Year's Day. 3 where polish. Everyone has grown back their top hats besides one. She has weird white bump things. Defiantly not pin feathers. And the feathers that do grow in, are like frizzled and never grow. They just disapear. The purple stuff is a thing so the other chickens don't pick on her. What should I do? If a really have to, I can take her inside.