We had an incubator in our classroom. At day 18, I took the eggs of the turner and placed them on the wire mesh at the bottom of the incubator. A few hatched during the day and they were taken out and placed under the heat lamp in the brooder (cute yellow kiddy pool). However, three chicks hatched overnight, knocking the rest over to the side. None of them hatched! What did I do wrong and how to avoid this from happening because now I am hooked.