Could this be vitiligo?

metalmare

metalmare

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Following a thread in the picture gallery, I'm wondering whether anyone can shed any light on my pony's unusual markings? Everyone who sees them comments. I hope you can see them okay in the picture.

I don't know whether he just has weird roan markings or whether it is vitiligo? Could it be genetic or caused by stress or, as some threads suggest, a copper deficiency? Any suggestions would be much appreciated.

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He's down as a welsh d x on his passport, but with no parentage shown. I'm glad you like him and I think you've found the answer - it looks like a family trait.
 
Such a shame you don't know his breeding - I find it fascinating! I only have the Sec C who I can trace, all my others were/are breeding unknown, but I can waste HOURS looking at pics of Rexy's ancestors. That's pretty sad actually :p lol
 
I believe that both horses are Rabicanos because the 'roaning' is on the flanks and they both seem to have paler bits at the top of their tails. Rabicano is thought to be related to sabino as they are found together (it may even turn out that rabicano is in fact, yet another a weird sabino thing ;) ). The jaggedy edged stockings and white lower lips that both horses have, show that they definitely have sabino.

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Yeah, my old section a was Revel bloodlines and I went back many generations, just for fun. I was rather vexed at buying a pony with unknown breeding, but he's no less lovable :-)
 
Mine doesn't have as much "roaning" as his big brother, but more is appearing, bit by bit. Hopefully he will turn out just like him! He doesn't have a white lower lip though :(
 
He doesn't have a white lower lip though
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Sabino is odd. :p It can cause a horse to have one tiny white sock (with jagged edges) with no other white, or it can cause a totally white horse that is born white (not grey) and everything in between.
 
I love the look of Swalesmoor Tango, he was a big factor in me buying Rex, who was plain chestnut when I saw him at 5 months, but the flecks spread under his winter coat. Was a nice surprise when he moulted!
 
Chestnut is recessive to black, they are the two base colours, everything else is either diluting genes or modifying genes that change or cover the base colour.
 
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