eggs with "bumps" of calcium?

[frizz]

I have been getting an occasional egg that has hard little bumps on the shell ~ calcium? does anyone know what causes this? and how to prevent it? Also, what causes speckles, dark little freckles on eggs once in a while? I like the freckles

 

[Shiningfeather]

Giving you a bump. I have this also and would like to know why.

 

[scarter]

I don't know why either but since all of our vegetation has turned green this month we have it too.

 

[ashyannehand]

I am not 100% sure what it is either but I have that happen all the time.

 

[illinichick]

I have a mix of brown egg layers and I get one or two daily. no big deal

 

[gritsar]

Extra calcium deposits.