My husban brought home 52 one gallon jugs of a protein power. It is supposed to be for humans to make shakes out of or add to drinks. It is just past its expiration date so cannot be sold for humans so it was given to him. I feed a layer crumble and then table scraps and when its colder, whole corn. Does anybody know if this would hurt or help anything? I gave them a scoop per day for about 3 days on their scraps(bread, fruit etc.) and they seemed to like it but during that three day period i found 1 egg that looked as if it had been pecked open. so i stopped giving them the powder. Any thoughts