I have had these Easter Eggers for 3 weeks when one started bobbing its head around. It also appears to be struggling to keep its balance. Every time I’ve seen wry neck in a chick, it’s a few days old. This started at 3 weeks. It’s been going on for 3 days now. I was able to go to the store and get vitamins and electrolytes. Not sure if it has helped or not. Any advice or information would be appreciated.