In trying to determine the possible color results of a breeding it can be important to know not only the sire and dam's colors, but also the colors of their parents and the colors of any puppies they may have already produced
This breeding produced at least one saddle-marked dog. This was a grand-father & grand-daughter breeding.
Daleforge Dancing Brave (silver brindle parti) - sire = silver brindle with white trim & dam = black brindle parti
Neilhurst Waiward Angel (blue brindle parti) - sire = silver brindle parti & dam = blue brindle
Conventional wisdom has it that the only thing recessive to saddle-marked is tan-point (which may be non-existent in Whippets). This should mean that in this breeding both parents carry the gene, but the sire of this litter also produced a saddle-marked puppy (Neilhurst Mr Bojangles) in another litter out of a different dam not related to the dam of this litter. Also, it's possible that one or more of the white dogs with blue ears could be a saddle-marked dog, with the saddle being hidden by the white.
The breeders says "He was solid blue until 9-10 weeks, then pale shading started on his "cheeks", almost like a reverse brindle, then the stripes began appearing on his head. The fading out of his colour on his thigh and upper arm began, it is very lightly brindled, almost to a grizzle similar to a Saluki!" This is an almost CLASSIC description of how the color on a saddle-marked dog "clears" as the puppy grows!
The half-brother (Neilhurst Mr Bojangles) to the dog in this litter recently sired a litter and there were no saddle-backed puppies in the litter. This is not a representative sample, but seems to indicate that the gene IS recessive and must come from both parents.
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