Is this a Prairie Bluebell Egger?

Marymc31

Chirping
Nov 5, 2020
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I purchased some chicks in September and got the prettiest blue egg today. I thought I had only one prairie bluebell, but there is no way she’s laying yet. Is it possible this pullet (photo attached—big brown/black one in front) is also a prairie bluebell?? She definitely acts ready to lay and is my biggest pullet from that group.
 

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I'd love to read the original source. The genetics of brown shell tint are not understood, so it can not be assumed that it is linked to ear lobe color. White lobes are dominant over red, while brown egg tint is dominant over no egg tint. So when you cross a white layer with a brown or tan layer, you get a tan layer with white lobes. How is that possible if shell color is linked to lobe color?

The reason white layers have white lobes and brown layers have red lobes is because of the standards of perfection. Brown egg laying breeds were standardized to have red lobes, and white layers with white. That doesn't have anything to do with genetics.
 

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