I got an egg like this yesterday, then this one again today. What's up with this?
I don't know "officially", but just to say, we sometimes get eggs with that type of spiral end or extra stuff, and it seems to be when they are coming out of molt/winter cessation of laying, when they come back to laying they seem to have more of those types, or, when they are just starting. But that is based on my tiny flock of 9 hens for the last 3 years.
Wanted to mention I also have pet potbelly pigs (2). My oldest is 16yo. What characters!
--Victoria