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Old 05-27-2011, 11:53 PM  
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DNA testing

I am very interested in finding my mares history only because I would not be surprised if she came some really good bloodlines (plus I've always liked history ). Does anyone know if I were to have her DNA tested if they could tell me who her sire is? What breed she is? What kind of things can DNA testing uncover? Very curious! Anyone ever try it before? And how would I go about getting it done? I know, tons of questions... sorry! Any help or support would be wonderful! Thanks!
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Old 05-28-2011, 08:37 AM  
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If you don't already know her breed, I don't think there is any DNA test you can do to identify breed. I'm not aware of any genetic markers that can pinpoint TB vs QH vs. whatever. If you already know the breed, you might be able to get some information. This winter, 40+ Morgans were re-homed from a breeder who couldn't take care of them anymore. Some of them had unknown parentage (post-puberal colts left in the field with broodmares for example). They were able to pull DNA samples from the horses and figure out who was who from that (and who was the Daddy). I think they also used DNA testing to identify which black mare went with which registration papers. In that case, they were dealing with a closed population of horses, so DNA patterns are relatively easy to sort through. I don't think you could just randomly send out DNA samples to all possible registries (not even sure which ones keep track of DNA) in the hopes of finding parentage. I could be wrong, but this strikes me as a needle in the haystack situation.
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Old 05-28-2011, 09:15 AM  
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You need to know a possible sire and dam in order to have DNA run. There is no database of horse DNA to run a random sample against.
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Old 05-28-2011, 11:22 AM  
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Yes, you would need the DNA of both parents, and the possible breed registry(s) they are filed with
You could then order a DNA kit from the registry concerned, so it goes to the correct lab. You pull hair,(usually mane ) making sure to get enough roots
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