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Beautiful birds. An impressive achievement. What breeds did you start with, just curious.

Yes, I used Svart Honas and an F2 Svart Hona x Isbar that the breeder called "Swedish Bluebars". Both single comb. Unfortunately, since I started with only heterozygous F2 hens, I made my job significantly harder. I have been considering getting an Isbar rooster that is homozygous for blue and...

Lady Grey, Sorry for the slow response. I’m still working on it. Getting up my numbers. The hardest part has been trying to find a deep fibro rooster with the blue egg gene, since you can’t tell until you do a cross and wait for the resulting hens to start laying. I think I have one now and...

Just reporting in that I have officially bred a set of black fibro blue-egg laying hens from Svart Hona and Swedish Bluebar stock. Working now on homozygous blue eggs gene and increasing size. Slow and steady...

I found this in a study published in Nature here: https://www.nature.com/articles/srep26484 Candidate retroviral insertions specific to GA chickens The genetic determination of blue egg shell coloration has been identified in Araucana chickens; it has been revealed that EAV-HP insertion...

Thanks for the info. I did some googling but the only place I could find was gracefulchickens.com. There also seems to be some pretty wide variation in what is considered a "Swedish blue hen". Also, looks like they lay mint green eggs, so light blue and brown in the genetics. Know of any other...

Any luck with finding these birds in the US? I've been considering a fibro blue egg project of my own and would love to start with something that is halfway there. Also, I read a couple of papers that indicate that the Chinese blue egg gene is similar but different from the South American...