What is going on here?

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What is going on here?

This is a discussion on What is going on here? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category

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  • 1 Post By Blue Smoke
  • 1 Post By Nokotaheaven
  • 3 Post By Peppy Barrel Racing
  • 5 Post By Chiilaa

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    06-17-2013, 11:40 PM
What is going on here?

I was browsing horse classified ads and came across this bay quarter pony stallion, but he has some odd coloring, what is it? Almost looks like he's going grey there?

The other side looks normal bay colored throughout(like on the shoulder). He also has one blue eye and one brown eye.

Says his sire was Homozygous tobiano and black, dam was untested as far as color but was bay tobiano pony. Just curious to see what others think...
Nokotaheaven likes this.
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    06-17-2013, 11:43 PM
Green Broke
It's a Tobiano trait. I call it roaning, but that's not what it is. My buckskin paint has it on his neck and it's grey like that as well. His just seems to be loudly expressed. Cute boy!
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    06-18-2013, 01:09 AM
Interesting, I have seen the tobiano roaning/blurring you are talking about before, but never like this... I guess its grey appearance threw me off, and that it splits his "colored" portion in half there.
    06-18-2013, 02:50 AM
So he is a paint pony, not a quarter pony ? Neat coloring and shading.
    06-18-2013, 02:54 AM
Green Broke
First thing my young mind thinks is chimerism
KigerQueen likes this.
    06-18-2013, 09:41 AM
My first thought was maybe somatic mutation.
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Chiilaa, Blue Smoke and KigerQueen like this.
    06-18-2013, 12:28 PM
Something like this I would think is probably somatic and not chimeric.
    06-18-2013, 03:26 PM
Very common in Tobianos. We see it often in Tobi Gypsies. Regardless of the colour of the animal, these patches always seem to have the grey, roany type appearance. Not true roan of course.

Handsome little fellow.

    06-18-2013, 07:08 PM
Originally Posted by stevenson    
so he is a paint pony, not a quarter pony ? Neat coloring and shading.
Pretty sure he is registered quarter pony... not sure if solids and colored ponies are all eligible as long as they are from stock blood?

I was also thinking somatic mutation when I first saw it, which is why I asked here
    06-18-2013, 07:14 PM
I guess this is what I think of when I see the tobiano 'roaning' so when I saw this guy it threw me for a loop LOL

This is a friends horse... (on her hip area)

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