Egg with a white ring

[sundevil]

Hello all,

My production red hen once a week will lay an egg with a large white film on it. Every time she lays one of these eggs she will not lay it in the nesting box, but the regular eggs she will lay in there?? Anyone know what this is and are the eggs ok to eat?

 

[sumi]

This happens when 2 eggs come into contact with each other in the shell gland pouch. When this happens normal calcification is interrupted and the first egg retained in the pouch will have an extra layer of calcium, which is the white band you are seeing. Possible causes are stress, changes in lighting and disease.
I have had eggs like this from my hens and we've eaten them, to answer your next question.