should the air cell move or stay put when turning?

[RodneyRooster]

Hi guys, i have some eggs that move around when i turn them (the whole lot nit just embryo) and some that dont. I cant clearly see any blood rings to help me out, which are the good and which are bad?

Cheers

 

[Chicken Egg 17]

The air cell shouldn't move

 

[RodneyRooster]

Thank u

 

[Chicken Egg 17]

Your welcome happy to help feel free to ask any more questions you may have