I am concerned about this occurring in a few of my panduro. Previously read it could be a stroke but it seems to be affecting one after the other and they eventually perish. They can't all be stroking out. I have previously on one occasion observed a half black head in an agasizzi female. With half sided symptoms I am more inclined to think of a stroke causing it. This would to me appear to be more husbandry or infection related. Any ideas?