I had 8 fertile eggs in this hatch and 6 hatched. For some reason the membrane dried more in this hatch than previous hatches. The first two hatched without any problems. The next three all had dried membrane on them and they couldn't get out of the eggs. Once they externally pipped, I could see the dried membrane. I waited until I knew they were a day past due and they were still very lively. I finally broke them mostly free of the egg shell and let them do the rest. They had so much dried membrane that I had to clean it off of each one. They are doing great now. The last hatched without any help. The two that didn't pip were fully formed but couldn't break through the membrane. Of course those two were both buffs. So I hatched 4 grays, 1 gray saddleback and 1 buff. Three more hatches to go!