One of her nostrils is blocked. When she breathes she sounds like when you drink from a straw and there's barely anything left in the glass. She is a silkie bantam and she is about 4 months old. She weighs about half the weight of another chicken I got from the same place and is the same age. This is a picture of the chicken: This is a picture of the nostril that is blocked: This is a picture of the nostril that is not blocked: It looks to me like her other nostril is starting to block up too What should I do?