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So recently I have discovered that one of my gldings has the HEE beloved Chimera mutation. I noticed that during a trick riding show, one of the spots I had previously thought to just be an old scar patch was actually part of his skin.
Upon taking him to the vet and having him gene tested and having a DNA test taken, we found out that while in the womb, he had actually absorbed his twin which resulted in him being a Chimera.
Upon further research, I have found out that Chimerism is not just a pretty color change, but actually a genetic mutation. Chimerism is a condition where an animal has not one, but two complete genomes (Sets of DNA) in their body. One genome can be found in one region of organs, while the other genome can be predominant in other organ or tissue.
If you think one of your pets may have the results of Chimerism, post here and we can all see your unigue pet
My Chimera Horse: Boston is a 7 year old American Quarter Horse Gelding originating from the 'Joe Hancock' AQHA bloodline. He is a rodeo trick riding horse who had helped me lead my team to state. At the age of 6 1/2 he was diagnosed with Chimerism, A rare genetic defect but although he is now monitored closely for any signs of something effecting his sytem, Boston continues doing shows and loving life. A small patch of dark chestnut skin/hair that is a mark from his 'twin' can be seen on his left shoulder circled in red https://i.postimg.cc/59zz5rSJ/My-Drawing-30-sketchpad.png |
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White it is a genetic mutation, it's not going to affect his quality of life. You made that last paragraph seem like he was diagnosed with something serious :P |
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Summer said:
White it is a genetic mutation, it's not going to affect his quality of life. You made that last paragraph seem like he was diagnosed with something serious :P
Chierism is in fact a genetic defect that could affect him. Due to the fact he has two different sets of DNA he is not allowed to reproduce as it will ruin the hard work put into the Hancock bloodline. And if he needs any type of transplant like blood or something, they would not be able togive it to him due to the risks of overwhelming his nervous system. Although it may seem like not a big deal on HEE, in reality it is much bigger than that. |
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I get it is a real life condition, I do live in the real world. The chances of him needing a blood transfusion are the same as any other horse which is so so low. Your boy's chimerism just makes him that bit more unique, unless something bad happens he is just like any other horse :) as for the reproducing part, it won't kill him if he doesn't get to mate and since he is a gelding that makes it a little harder to achieve anyway ;) Edited at November 10, 2019 11:58 PM by Summer |
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Uh... pretty sure *most* people can't afford a organ transplant in a horse. |
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Jeri, I certainly could not. |
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I love buckskins, he's beautiful anyway ^_^ |
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Summer said:
I get it is a real life condition, I do live in the real world. The chances of him needing a blood transfusion are the same as any other horse which is so so low. Your boy's chimerism just makes him that bit more unique, unless something bad happens he is just like any other horse :) as for the reproducing part, it won't kill him if he doesn't get to mate and since he is a gelding that makes it a little harder to achieve anyway ;)
Look, I understand that in most areas horses are usually perfectly fine, but up here where I live it's very common for a horse to need a transfusion. As for him being a gelding, we gelded him after we found out just in case he accidentally got into the mare pen |
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Jericho Stables said:
Uh... pretty sure *most* people can't afford a organ transplant in a horse.
We haven't ever needed anorgan transplant but we have needed blood transplants on other horses |
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White Forest Farms said:
Summer said:
White it is a genetic mutation, it's not going to affect his quality of life. You made that last paragraph seem like he was diagnosed with something serious :P
Chierism is in fact a genetic defect that could affect him. Due to the fact he has two different sets of DNA he is not allowed to reproduce as it will ruin the hard work put into the Hancock bloodline. And if he needs any type of transplant like blood or something, they would not be able togive it to him due to the risks of overwhelming his nervous system. Although it may seem like not a big deal on HEE, in reality it is much bigger than that.
He's a gelding, so he can't reproduce anyway. Even if he was a stallion, it still wouldn't matter because the only genetics that would be passed on is the genetics that his sperm carries.
To be honest, I heavily doubt the statement about him not being able to need a blood transfusion. They would just need to insure they have the correct blood type.
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