oh also how old are they? 1 week they should have temps of 95 then you drop it 5 degrees a week.
stress causes chicks to get pasty butt it is not constipation but diareah that causes it them getting too cold can cause their intestins to freeze up and cause pasty. also them being too hot can...
start them off with warm water with vitamins and electrolites in it. I use to have that problem real bad until someone on here told me to give them the warm water. I don't think it has anything to do with their feed but I could be wrong I am no expert