What is this egg?

[JaciAlyssa]

I found this egg in my chicken pen, I also have ducks and a guinea in the pen. The shell was 2× harder than normal and the yolk was a pale yellow and looked hard.

 

[turkey girl 0964]

This is a great article:https://www.backyardchickens.com/articles/commom-egg-quality-problems.65923/

 

[JaciAlyssa]

This is a great article:https://www.backyardchickens.com/articles/commom-egg-quality-problems.65923/

So I guess this would be called a Fart egg?? Thanks for adding the link, very informative

 

[aart]

So I guess this would be called a Fart egg?? Thanks for adding the link, very informative

Probably.
What's inside?

 

[JaciAlyssa]

Probably.
What's inside?

It was a pale yellow yolk that was hard. Looked almost like a boiled yolk

 

[aart]

It was a pale yellow yolk that was hard. Looked almost like a boiled yolk

Huh, would be good to see pics.