I must be (un)lucky. I can only fit 60 eggs in my hovabator since I use cartons to hatch. I can fit more if I stack, but that didn't turn out well during last years Easter hatch. I put 60 in this year and still had bad luck. Out of 60 eggs I only got 3 chicks and none of my duck eggs hatched. I had one make it as far as internal pip, but I didn't get to it in time and lost it. Out of the 5 I put in this time 2 were infertile and 2 quit. At least I still have the one.