What am I doing wrong? Chicks sticking to egg shells

[Serina81]

I have the humidity around 50% during the first 18 days and then up to 65-70% during the last 3, but I still have at least one chick getting stuck to its egg shell. What am I doing wrong? Does it need to be higher? All the other chicks are fine, it's just the one or two chicks per hatch.

 

[mrslb333]

I seem to remember reading some where that it's caused by too much humidity, maybe worth getting a second hygro meter to double check?

 

[shellrae7]

It could also be because you are opening the incubator a few times to remove chicks and place in the brooder, so you are letting out big wafts of humidity for a time when you do that. I'm not sure if you're doing that or not, but just a thought.

 

[Serina81]

I thought that too, but yesterday's hatch I made sure the door was not open ever during the three day lockdown. That's what's got me confused... I had high humidity and the door stayed shut. I brought the humidity up to 80% for the rest of the hatch and didn't have a problem for the last few eggs, but I didn't have a problem with the first few eggs either. Maybe just a weak chick issue?