I have a 4 month old Ameraucana poult who has a swollen breast that is loose like a water balloon. Her body appears to be twisting into a slight C shape. Her face is a little mucky as if it had been wet at one point and then dried, no puss or crusties. She is smaller than her coopmates. Still active and evading me when I try to examine her. But having difficulty getting on and off the roosts. I am going to separate her from the other today to observe her more closely, but actions need to be taken. I dont know what to do.