What can kill a baby chick that’s hatching

[GwenT]

I'm sure you should have babies soon! They need a good sized air cell to take there first breath and hatch (unzip) out of egg.

Hopefully! Thanks for your help

 

[aart]

I haven’t been having good luck with my hatchlings... worried for new batch that’s supposed to hatch, at day 19

Here some good info to help you learn about hatching:
https://www.backyardchickens.com/articles/the-beginners-guide-to-incubation.73350/

https://www.backyardchickens.com/articles/guide-to-assisted-hatching-for-all-poultry.72886/

https://www.backyardchickens.com/articles/incubation-humidity.73386/

https://www.backyardchickens.com/ar...incubator-thermometers-and-hygrometers.73634/