I found a secret spot in my coop that a few of my banties have been using, don't think more than a few days as there were only 4 eggs in there and I only have 4 banties. I've also gotten banty eggs from the nest boxes, so I don't think they've been accumulating for too long. How long are eggs good when left uncollected in the coop, especially in this heat? How can I tell if they've gone bad? Anyone have any ideas?