Odd mass inside egg looks like developing chick - but I have no roosters...?


In the Brooder
Aug 27, 2020
This is the first time I have seen this in my flock and was surprised to see it. I did search first here and I did find a post with something similar. It was determined in that post to be a fertilized egg starting to form as the other person has a rooster.

I don't have one. My whole flock of 6 are females and all are laying. I know who lays what shape & color egg because each one is a different breed and purchased in different years. How can this happen if I don't have a rooster? Or is this not a developing chick? It looks like it to me based on google images i found and the "umbilical cord"-looking part that connected to the yolk.


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