I received my Piebald a month ago and he has yet to eat. I have tried live and frozen thawed both mice and rats. He acts interested in the mouse and closes in on them but he doesn't strike. Instead he turns around and goes to the opposite end of the enclosure. He rests with his head either elevated or against the side of the cage pointing straight up. I took him to the vet and she checked the inside of his mouth, and listened to his breathing and said that he was fine. He doesn't have any mucus coming from his mouth nor does he wheeze. Could it be possible that he just rests with his head straight up because he is comfortable? And I am attributing the fact that he hasn't eaten to the shipment and new surroundings where he is going from being kept in a rack to an larger enclosure. He is a year and a half and 900 grams by the way. Thanks for the help!