It's easy to adjust levels of humidity when you're hatching one set at a time, such as with a hovabator. I am using a cabinet incubator adding a new tray of eggs each week. So the 60-70% is the middle of the road for the various stages of incubation. As I stated earlier, I am also hatching...
I have had sixteen pip in the last 24 hours. I found the first dead, as described above with the tip of the beak through the shell and no further progress. From that point I have assisted with all the others. We hatched 246 poults last year with a 92% survival rate, so here's some hard-fought...
1) their heads are positioned the same as chicks, tucked under their left wing, next to their heart.
2) The incubator has an automatic turner and all the eggs are in trays with the large end up.
3) There are two membranes between the shell and the poult. The inner membrane, the one susceptible...
This is the second season I have hatched out Narragansett turkeys. In two years, I have yet to have a single poult that could hatch on its own. I use the same cabinet incubator for both chickens and turkeys with a temp setting of 100.4 and humidity 60-70%. Chickens have never had a problem...