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"Typey" horses?

This is a discussion on "Typey" horses? within the Horse Talk forums, part of the Keeping and Caring for Horses category

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        07-12-2013, 10:11 PM
      #11
    Trained
    Quote:
    Originally Posted by WSArabians    
    No genetic flaw wouldn't really take long to get rid of. A year, if everyone just stopped breeding HYPP carriers. Same with CA in Arabians.
    The thing is - do you risk losing that bloodline and the potential of the great carriers (Let's say Impressive and *Ecaho) to the breeding gene pool for the sake of totally eradicating that dysfunctional gene, or do we practice good breeding practice by breeding proven carriers to non-carriers?
    Here's another thought on that, if we breed out HYPP or CA or SCID, what will pop up next? What is not coming through because we're breeding SCID to Clear, but that clear horse might be carrying XX recessive gene that we don't even know about yet? Would we be throwing out the baby with the bathwater?

    In the case of HYPP, I can only feel like we shouldn't even breed carriers because they can be affected fairly severely. With SCID, CA, they are double recessives and need 2 carriers to produce an affected foal. So, where, when, how do we draw the line and make sure we're correct?
         
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        07-12-2013, 11:23 PM
      #12
    Trained
    Quote:
    Originally Posted by Dreamcatcher Arabians    
    Here's another thought on that, if we breed out HYPP or CA or SCID, what will pop up next? What is not coming through because we're breeding SCID to Clear, but that clear horse might be carrying XX recessive gene that we don't even know about yet? Would we be throwing out the baby with the bathwater?

    In the case of HYPP, I can only feel like we shouldn't even breed carriers because they can be affected fairly severely. With SCID, CA, they are double recessives and need 2 carriers to produce an affected foal. So, where, when, how do we draw the line and make sure we're correct?
    This is true. Even an N/H HYPP can have horrible symptoms... A CA carrier (N/CA) is unaffected. IF we can get everyone to test their horses that known carrier lines (for either HYPP or CA) a lot of heartache would go.

    As for what will pop up... Who knows. Genetics, I think, will always be beyond us. We haven't even identified the sabino gene in Arabians and we KNOW it's there, let alone trying to figure out what may or may not be there.
    KigerQueen likes this.
         
        07-13-2013, 12:14 PM
      #13
    Super Moderator
    Quote:
    Originally Posted by WSArabians    
    No genetic flaw wouldn't really take long to get rid of. A year, if everyone just stopped breeding HYPP carriers. Same with CA in Arabians.
    The thing is - do you risk losing that bloodline and the potential of the great carriers (Let's say Impressive and *Ecaho) to the breeding gene pool for the sake of totally eradicating that dysfunctional gene, or do we practice good breeding practice by breeding proven carriers to non-carriers?
    If the rule change had come that quickly. You see, why change it if they are pinning it and people are getting rich off it? You know? I mean it seems simplistic enough but money does have a way with many people...

    I think there are plenty of great Impressive horses out there that are HYPP/NN that could very well be bred and save the bloodline. However... Impressive isn't the look they want in the riding ring, it's the look they want in halter... I love the Impressive line. I wish more people did (the NN version of course)
         
        07-13-2013, 12:15 PM
      #14
    Super Moderator
    My memory is failing me on CA. What is that one? Breeds effected etc.
         
        07-13-2013, 12:48 PM
      #15
    Trained
    Quote:
    Originally Posted by farmpony84    
    My memory is failing me on CA. What is that one? Breeds effected etc.
    Cerebellar Abiotrophy - Carries in Arabians - CA affected foals have symptoms similar to HYPP - loss of balance, coordination, tremors...
    There's a video on the website of a filly that was later euthanised. You'll see about about 4:30 when she tries to focus on the camera how bad the tremors get, and the high, awkward gait at about 6 minutes when she is trying to run around the arena.
    Welcome to the CA web !

    My guy's (avatar) sire is a CA carrier. Once his breeders found that out, they tested his dam. She turned out to be a CA Carrier. By some crazy stroke of luck he came out CA N/N.
    KigerQueen likes this.
         
        07-13-2013, 02:13 PM
      #16
    Green Broke
    If it was up to me Id scrap the entire show world. Wanna show a horse ? "Show" me it can do what the breed was developed to do.
         
        07-13-2013, 05:18 PM
      #17
    Trained
    Here's my handsome fella.

    Egyptian Arabian, 9 years old
         
        07-13-2013, 05:20 PM
      #18
    Trained
         

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