Well, her laying blue eggs is a good start....still might only be 50-50 chance she'll pass a blue shell gene along.
EE can lay brown eggs.... or blue, or green, or pink...some folks don't know that tho.
If you're going to sell them before they start laying...just say what the cross is (BR over...
There are only blue and white shells.....and only a couple genes control that.
The green comes from a brown coating on a blue shell.
There are a plethora of brown coating genes....combinations of which make anywhere from a barely brown egg to a very dark brown egg(on a white shell).
If the...
Does the EE pullet/hen lay blue or green eggs?
If so, 50/50 chance of a blue shell gene passing.
If it does, female offspring would lay green eggs, but probably not dark enough to call 'olive'.