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What causes this?

Gander July 18, 2009 February 22, 2011

Forums

CMHorses has a lovely Miniature stallion named Cartwheel. He generally looks "normal," colorwise (other than that really interesting blind eye...). Yet he's got a great patch of white hairs in his neck and scattered throughout his mane/forelock. Where might that have come from? Thanks for any thoughts!

accphotography Sat, 07/18/2009 - 21:55

The common answer will be sabino. A possible answer is tobiano (I personally believe tobiano can cause roan patches). I suspect this could be a somatic mutation of some type. It's too defined.

Gander Sat, 07/18/2009 - 22:49

I shall go look up 'somatic mutation.' I found the patch being so "distinct" to one area odd, although it sure is interesting! Such a cool stallion.

Thanks, thanks!

CMhorses Sun, 07/19/2009 - 01:50

I know he has always had some of the roaning but I believe it has gotten larger of the years, and he has started roaning in places he did not have it before-such as the "T" on his rump.

CMhorses Sun, 07/19/2009 - 13:40

He is 11 this year, but he has always had the roaning. But it used to be about the size of your palm.

lipigirl Sun, 07/19/2009 - 14:11

If the roan is getting bigger could be he's going grey - mane certainly looks that way. IME, for instance, Lipis go grey ar different rates, one foal I had went nearly grey by a year, another was mostly all black by 3, some are well into thier teens before they go white. Not saying that this is the case with this one but looks like it could be.

Heather Sun, 07/19/2009 - 16:43

I would wonder if it was an auto immune , especially since he went blind on that eye.some sort of wierd relation.

CMhorses Sun, 07/19/2009 - 17:00

No, he is blind from getting kicked by a paint mare in that eye when he was around 5. Also I know neither of his parents were grey.