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Originally Posted by Sbyork  I really do not understand why the Parti and the Biewer just can't accept what they are and go on from there, A breed unto themself!
Many test have been done by the YTCA and several independent breeders in the US, and Yorkies DO NOT carry the piebald gene! Simple.
A Parti and a Biewer having that much white MUST have the peibald gene!
Sparklingbluyorkies.com |
Yes, you are correct, the parti and Biewer carry the piebald gene, if early historical and present day writings are correct and the Maltese was introduced in the mid - late 1800's in order to lengthen the coats of Scotch terriers, than half of the dogs from crosses like these, would carry the piebald gene (the maltese displays the maximum expression of the piebald gene).
Could you please tell us what tests have been done by the YTCA and independent breeders in the US, that verifies that the Yorkshire terrier does not carry the piebald gene? Not all yorkies nor all lines of yorkies carry the piebald gene ... just as not all yorkies carry the gene that causes the black coat to turn the desired dark steel blue.
There are 2 ways that I know of, to determine if a yorkie carries the piebald gene and that's either a test breeding to a parti yorkie to see if it produces a parti color or to have the dog coat color tested through DNA, and that test was only recently made available.
Please see the attached scanned page from the 1945 The Complete Dog Book put out by AKC. Early authorities thought that it was "doubtful that the early yorkshire terriers could be traced back to common ancestors" and that "it would be unreasonable to suppose that all breeders used the same crosses." It seems that today's breeders know differently and they are certain, that there was never a dog with white or white genes used in the infancy of this breed. I guess they didn't have recessive genes back then?
