How long do I wait as of day 21?

[The ruler of the roost]

What do I do if none of my eggs in my bator hatch as of the 21st day? I have not opened it and the temp has been an average of 99.5 to 100 degrees.
Please help

 

[akpeeps]

Have you candled them to check for movement? What is the humidity?
Some one told me I could give it another 3 or 4 days if you have movement. I had a few of mine hatch on day 23 and 24.

 

[Elliemaeburt]

Hope they are all late hatchers. Good luck.

 

[The ruler of the roost]

Thank you! I have not candled them. Wasn't sure if I should open the bator to do so. (?)
Humidity is right on!

 

[speckledhen]

Is it a still air bator or circulated air? If circ air, your temps are perfect. If still air, they are a couple of degrees too low. I never them go past Day 22. Only once did I allow one to go to Day 23 and only because it was a valuable chick. Some wait a longer time, but I don't want a very late hatching chick.
In the future, I'd suggest candling at least one time so you do not have an early dying embryo start to rot in the bator. A broody hen gets off the nest once or twice a day, sometimes for an hour, so it's no big deal to candle a time or two.

 

[The ruler of the roost]

It's a still air.

Rut roh...now what? What should my temp be?

 

[speckledhen]

Your temp should have been 101.5-102 at the top of the eggs. They may hatch and they may not. All you can do is wait, then.

 

[The ruler of the roost]

Thank you Cynthia!

 

[speckledhen]

You're welcome. I hope they do hatch, but it appears you may have to wait another couple of days due to the lower temps.