Hurray for Cynthia12!
I am test hatching 6 Silkie eggs as well. I got this Silkie about 3 weeks ago from unknown source. When I broke her eggs, they looked fertilized so I am just giving it a shot to prove the hypothesis that eggs can stay fertilized for more than 3 weeks. Although with the bullet shaped eggs she lays, I highly doubt a chick can survive in there for 21 days. Let see whats cooking at first candling. Its Day #4 already for them.