Hi all chicken lovers! I've just finished my fourth hatch with my incubator, and only a fourth of the eggs I put in it hatched. Nearly all of the eggs were fertile and the incubator's humidity and temperature were just right. This isn't the first time this has happened either. I have a fully automatic incubator, with a 48 egg capacity. I never store the eggs that go into the incubator for more than a week, and they are all medium sized. This is not that serious - i was just wondering whether there was any way to improve the hatch. Thanks!