how long is too long to wait for the rest of the eggs to hatch?

[thegibbys]

We set 35 eggs in the incubator March 17 th late in the afternoon. We had one hatch out during the night last night, April 8-9, I candeled a few eggs last night and there was movement. But no more hatching today. How much longer should leave the eggs in the incubator?

 

[gryeyes]

I always leave eggs in the incubator until Day 25. That's just me.... but I've had some late hatchers on day 25 before!