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Horse color help?

This is a discussion on Horse color help? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category

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        08-29-2013, 07:47 PM
      #11
    Weanling
    Quote:
    Originally Posted by Gwyneth    
    Yup, he is a Thoroughbred, his name is Simba Twist. He is registered as Buckskin sabino.
    What part of Canada is he in?
         
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        08-29-2013, 11:20 PM
      #12
    Green Broke
    Ooh, I like him
         
        08-29-2013, 11:43 PM
      #13
    Trained
    He's dominant white, not sabino like he's listed as. He's a grandson of Puchingui, who was a very loud colored horse and many of his descendants have inherited it. There are a handful of dominant white TBs that have ended up solid white.

    I'm also not sure why they still have all of Sato's foals listed as sabino. I want to say they said there wasn't a DW test available or something although UC Davis does have a test for the mutation of DW that Puchilingui carried.
         
        09-02-2013, 05:55 AM
      #14
    Weanling
    Can someone explain to me how this horse is a registered thoroughbred? Wouldn't you have to cross breed to get that color?
    Posted via Mobile Device
         
        09-02-2013, 06:18 AM
      #15
    Trained
    Quote:
    Originally Posted by AriatChick772    
    Can someone explain to me how this horse is a registered thoroughbred? Wouldn't you have to cross breed to get that color?
    Posted via Mobile Device
    This particular colour is caused by a mutation on the KIT locus. The KIT locus is one of the less "stable" loci, which has many different mutations (at least 11 DW mutations, tobiano, roan, at least 2 sabino, and maybe rabicano is there too, so possibly around 20 mutations). So the colour occurred by mutation at some point in the horse's family tree. I can't find the paper on dominant white, but the Puchilingui line of TBs has definitely got dominant white, and I presume that he (Puchi) is the case zero, although I am basing that assumption on nothing except that the line is named after him.
    Poseidon likes this.
         
        09-02-2013, 06:23 AM
      #16
    Weanling
    Thank you very much!
    Posted via Mobile Device
    Chiilaa likes this.
         
        09-12-2013, 11:07 PM
      #17
    Foal
    Is oakbark a color?
         
        09-13-2013, 12:02 AM
      #18
    Trained
    No it isn't.
         

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    color, thoroughbred

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