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Letters from the Front Line:Christopher: According to my Punnett squares, you would get the same percentage of harlequins from either harlequin x solid breeding or merle x mantle breeding. Perhaps you could clarify what you mean by “solid” and...Christopher: One thing to consider is that the visual pattern we call Harlequin is the interaction of TWO lethal semi dominant genes. Harl and Merle. So the dog has to be HhMm to appear “Harlequin.” This complicates the...Christopher: He *could* be solid black. The white on the dog in the diagram is caused by “Irish White” which is located on an entirely different locus than the Harlequin gene or the Merle gene. This gene is very popular in...k93: According to my Punnett squares, you would get the same percentage of harlequins from either harlequin x solid breeding or merle x mantle breeding. Same situation with frame overo in horses. OO is lethal…If you breed an Oo...Anton: I might add the Gelderlander came from a time when there were no registers as such. A true working animal and landrace and unlike many rare pedigree dogs in closed studs books was a significant genetic resource which has been...Kathy: Thank you Anton for sharing about this once magnificent horse. I looked it up to find photos etc because have never seen one. Sad but interesting that even horses suffer from the fad and fashion of man kind. Seems we should have...Anton: The Gelderlander is/was a such a breed with four white feet, always strong as an ox though these horses are presently and very unfortunately suffering the same problems as some of the rare older pedigree dog breeds. The...Kathy: Anton I consider the following that has been the resuls of not only piebald, merle to merle breeding but lack of color pattern pigmentation. It is not that our canines pigmentation is different, and NOT COATS OF MANY COLORS, but...Kathy: I am amazed that this link you provided contains repeated statement regarding Show champion breeders that no one dare openly question? Does this actually make any common sense to you. Don’t let them brow beat you just...Kathy: Chron I had not seen this link but comes as no surprise. Am not saying it is not horrifying, disgusting and reprehensible but it does seem someone is taking crazy pills or something does it not? If you check the archives this...Dogtired: Just one comment about the full-body x-ray of “Gossie” – Chik T’Sun – the x-ray was taken after the dog died, and what with the physical changes that take place after death with rigor and all, it...
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Border Collie owner, breeder and enthusiast. Dog breeder liaison for Genoscoper's MyDogDNA testing platform. Breeding ethics consultant for HBO's Real Sports with Bryant Gumble segment, "Unnatural Selection." Thought leader and advocate for the modernization and elevation of animal husbandry focusing on science-based information dissemination, advancing genetics appreciation, and placing ethics above tradition.
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