Really porous eggs - anyone know what causes them?

[gryeyes]

Sitting by, thank you very much.

 

[pdsavage]

I have one hen who lays a very porous egg.Not sure why as all the other eggs are fine.

 

[heksa]

Quote:
Some of my eggs are that way too. They have little bumps like sand all over them.
Are these no good to hatch then?
Their shells seem actually stronger then of the other smooth eggs, but maybe they're too strong and hard to break through?

 

[halo]

I have porous eggs now and again, and have no problem hatching them.

 

[gritsar]

Thanks for the replies y'all. We shall see what happens.