Is this an air bubble

[Tallisdibrani]

Hi is this it’s air bubble we thought we had a male duck so we put the eggs in the incubator but it’s been a week and no veins or anything

 

[nuthatched]

Yes, that's an air cell, all eggs have one.

 

[Tonyroo]

That egg looks like it has a poor air sac and infertile.

 

[Tallisdibrani]

Yes, that's an air cell, all eggs have one.

Yes but never seen one on it’s side. I’m a new chick owner tho

 

[Tallisdibrani]

That egg looks like it has a poor air sac and infertile.

Thank you