peeping inside an egg

[Klaire]

How many days into the incubation period are the chicks when you start hearing them peep and shift inside the eggs?

Thanks
Klaire

 

[Mahonri]

I've heard them as early as day 19, usually day 20 and sometimes not until day 21.

 

[gryeyes]

What Mahonri said. Exactly.

 

[iluvsedward]

I heard peeping on day 24 once