Incubator Update – 2 days to go

Here are the first ones pipping, 4 in total are cracked or have a small hole started.

In birds, the process of breaking open the eggshell is commonly referred to as pipping.[2]

Chicks have a pipping muscle on the back of their necks. It is this muscle which gives them the strength to force the egg tooth through the inner membrane of the eggshell.

When a chick becomes too large to absorb oxygen through the pores of its eggshell, it uses its egg tooth to peck a hole in the air sac located at the flat end of the egg. This sac provides a few hours worth of air, during which the chick breaks through the eggshell to the outside. The egg tooth falls off several days after hatching.


See below, both cracks bottom right. Two different eggs of course. There are 6 eggs left in the ‘bator. The 7th wasn’t formed at all, looked like it was never fertilized. So hoping for 6 chicks out of this batch, and so far 4 have shown signs of life with cracks. So far, the Brinsea is living up to its reviews (and price tag), granted, I still don’t have one living and OUT of the shell 😉

As I’ve been warned, I shouldn’t count my chickens before they hatch!

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