Hello, I got a baby silkie ( approx 4 weeks old) today. I'm new to the chicken game and I was hoping you could help answer a couple of questions. 1. It seems that it is missing feathers on its back, tail, and a little on the chest. The farm that I got it from put blu-kote on the back saying that he was "picking at it". I've attached pictures to reference. I'm not sure if this is normal, or if I need to take a trip to the vet. Also, will that blue/purple color eventually come out? 2. I know it's pretty early, but if anyone had any ideas on the sex of this baby. I'd love to hear any ideas! Thanks all!!