Yesterday on day 19 I had 10 of 12 Speckled sussex eggs hatch. They are running around the brooder already. The other eggs......other breeds....that went in at the same time just started pipping early this morning. I don't know what their hurry was! When I transfered them to the hatcher on the night of day 18, 2 were already in the air cell and one peeped at me. I used the egg cartons again with very good results!