It's said you learn something new every day. Today, I would like to learn something new. To be more exact, I'd like to learn why my 5 or 6 week old Wyandotte isn't growing adult feathers. Attached is a rather blurry picture I took with my laptop so I'll describe her issue: "Tiny" is half or smaller size of the rest of the birds that I bought as day-old. They all started out the same size. While the others grew and flourished, growing lovely feathers all over, she still has peach fuzz or nothing at all. She isn't getting picked, but her chick fuzz fell out in some places and no adult feathers came in behind. Just a few smallish wind tip feathers. Next week, I want to put the girls in the coop. It's nice and warm during the day but I don't feel that Tiny will be warm enough at night. The last thing I need is a featherless chicken living in a cage in my garage. Does anyone have experience with this condition? How long is long enough to allow feathers to grow? Keep or cull? Thanks!