My EE roo Hank doesn't seem right. We let all the chickens out of their run this morning and they are all running around and seem to be enjoying themselves,except for Hank. He just seems to walk around, not pecking the ground or anything. I went out with some bread, their favorite, and put some on the ground in front of him and it was like he didn't even see it. He used to be the dominant one and crowed all the time,but he hasn't crowed yesterday or today. Is there something wrong?