Bobtail coloration, or just odd coloring?

It’s 100% recessive white based on brown. Do some research. There’s also a guy in Europe working on large fowl.
Could you cite your research? If it is recessive white, it does not appear to be the regular type (the type which is found in white silkies, for example). By “brown”, do you mean the eb gene? Do bobtails have one or two recessive white genes? Is this recessive white sex-linked?
 
Could you cite your research? If it is recessive white, it does not appear to be the regular type (the type which is found in white silkies, for example). By “brown”, do you mean the eb gene? Do bobtails have one or two recessive white genes? Is this recessive white sex-linked?
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 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.
 
@nicalandia , do your magic?
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.
 
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.backyardchickens.com/threads/bobtail-cochin-color-genetics.1446932/
 
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.
We need a source for your information. But I already know what genes are needed for bobtail, & it has no link with recessive white.
 
We need a source for your information. But I already know what genes are needed for bobtail, & it has no link with recessive white.
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.
 
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
 

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