This is so hard to know. We tried to help one at “25” days, turned out that for some reason it had started much later than the others (they were all put under a neighbor’s broody turkey, I think the one was too cold at the edge, then they were all moved to an incubator a week later when the turkey went off, and I think that one didn’t “start” properly until moved to the incubator.)
Anyway, my daughter was worried it was stuck and tried to help it hatch and it started bleeding. Turned out it hadn’t finished absorbing the yolk, anyway it died. We’re still rather heart broken when we think about it.
Is it possible the last two started later?