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I have a blue laying bird with blue lobes.
Both are EEs.Could it have been a mix?
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?
I just posted a thread because I thought I got "Andalusians" because that is what the sign on the tub said at Tractor supply...but I started wondering if I had something else because some of mine have pea combs, like yours.View attachment 2535496
This is what mine looks like, the thing to look for is the blue ear lobe that is how you can tell if the egg will be blue. This one lays the bluest egg in my coop.
I know what you are saying, and agree that lobes and egg color are not "linked", just circumstantial in nature...but selective breeding is Mendelian genetics, just like dog breeds.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.
the coloring looks like one in the pic from hoovers hatchery, but should have a pea comb. Could be a second generation blue?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.
100% agree. I extensively researched this a few months ago and I believe the genes are even located on different chromosomes. There is no actual correlation of the traitsI'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.