Bobtail coloration, or just odd coloring?

Source is an original in the Netherlands “Jan dirk nijkamp” it’s is 100% definitely recessive white. The form of recessive white in Bobtail is not what we commonly refer to as recessive white, in other words not bright white. It may, however, be an allele. We don't know for sure as no one has done the test mating to find out. It is an autosomal recessive, so not sex-linked. By brown I do mean the Brown e-allele (eb). The gene must be present in two copies (homozygous) in order to present as Bobtail.
100% factual information, feel free to message him he will tell you the same. They have no birchen in them, and https://www.facebook.com/profile.php?id=100011599541582
Source is an original in the Netherlands “Jan dirk nijkamp” it’s is 100% definitely recessive white. The form of recessive white in Bobtail is not what we commonly refer to as recessive white, in other words not bright white. It may, however, be an allele. We don't know for sure as no one has done the test mating to find out. It is an autosomal recessive, so not sex-linked. By brown I do mean the Brown e-allele (eb). The gene must be present in two copies (homozygous) in order to present as Bobtail.
https://www.facebook.com/profile.php?id=100011599541582
 
I don't use Facebook.
Sorry. But that’s the source. If you ever take a notion. That’s a straight to the source. Also, People have been crossing Bobtail indiscriminately into a number of color thinking it was some magical gene for fixing type. It is a simple recessive and I expect will be popping out of a number of color lines.
 
A scientific study link with detailed information, & genetic testing is what I was requesting.

I can't access the link you posted, since it's through Facebook.
Do you have that for your knowing of what they’re made of like you said? I provided my source. Unfortunately you can’t access it because no Facebook. There is no study in the US, it’s all European when searched online. I saw where someone said brown red birchen , No, the internet experts will lead you down all kinds of trails. Personally I have been breeding and raising them for 4 years. I purchased from an original import into the US. I got in contact with Jan dirk because he is creating large fowl in the Netherlands and that’s something I wanted to do, which lead to genetics. I fully truth his experience & knowledge compared to a vast majority of anyone in the US
 
It's not 100% Recessive White, it might be one of the many mutations of the recessive white c allele(Known mutations beside C+ are the red-eye white c^re, the recessive white c, and the autosomal albino c^a )
You did mention Sex linked Albinism, which is a mutation in silver. In another Bobtail color thread.

Is it not a part of the genes that make up the color?
 
I was just speculating on the genotype. I don't have access to any Bobtail.
Okay.

I did find someone selling bobtail Cochins a month, or two ago. I can probably get some next year for some experimentation. Just not a fan of the variety being bantam sized though.
 

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