Double yolkers develop into twin embryos, and on a rare occasion, can hatch multiple chicks. However, in most cases, one or both die during development, or during hatch.
Musta hurt! Wow!
I’m betting you it’s a double Yorker. If you were wondering how that happened, it is a result of two or more yolks being accidentally released together and having shell and all formed around them. Most common in young layers coming into lay, or those who are coming out of...