upcoming article in PHJ on minimal Tobianos

rodeoratdogs

I found out on the color-info forum that PHJ is looking for feedback on minimal tobianos for a upcoming article in the PHJ. I sent in pics of my 2008 gelding because he is registered solid and tested positve for Tobiano, although I think under their new rules he may have enough white, I just haven't sent in pics yet for a status change. They let me know they got all my info and they will let me know if they want to use him for the article. Either way the article should be interesting. Here is his pic and pedigree.
http://www.allbreedpedigree.com/i+cd+spot

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Linda_D · Posted: Mon Nov 08, 2010 3:06 pm Post subject:

He looks like his momma ... except that he's missing the white that she has along her neck and on her withers. Is that a white spot on his neck?

I think most people would think he was a sabino rather than tobiano. Of course, he could be both, with only the sabino being expressed.

He's a nice looking boy, whatever his genotype.

rodeoratdogs · Posted: Mon Nov 08, 2010 3:53 pm Post subject:

Thank you, we really like him. I am really looking forward to the article because I think minimal tobianos have been mistaken for sabinos for years although like you said many horses can have more that one paint gene. With his socks though, how they come to a point on the outside of the back legs where often on tobianos this white that usually continues up over the hip indicates tobiano rather than sabino. Also they are finding that the spots on the socks on minimal tobianos are linked to a white suppression gene.
My mare in my avatar pic is Splash/Sabino see how her socks come to a point in the front her hock instead of the outside.

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Linda_D · Posted: Tue Nov 09, 2010 5:21 am Post subject:

The more we find out about the genes that determine and control white markings, the more complicated things become!

rodeoratdogs · Posted: Tue Nov 09, 2010 6:56 am Post subject:

This is true......lol, but also interesting.
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Linda_D · Posted: Tue Nov 09, 2010 12:35 pm Post subject:

I think that without the test for tobiano, there's very little means to prove that tobiano can "hide". Virtually all "solid" males are gelded since there's little market for them as sires, so they wouldn't get the chance to prove they carry the tobiano gene. With "solid" fillies, they would most likely be bred to Paint stallions to to get color. Again, with limited opportunity to show that they could pass on tobiano, so the idea just grew that tobiano can't "hide".

rodeoratdogs · Posted: Tue Nov 09, 2010 12:56 pm Post subject:

I think that is exactly right, we thought if the gene wasn't expressed to a certain degree it wasn't there in tobiano, now we are finding that isn't always true.
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rodeoratdogs · Posted: Wed Nov 17, 2010 8:15 am Post subject:

Well I heard back from APHA and they said that my gelding was a great example for the article so it seems as if they are going to use him. The article will be in the Feb issue.
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rodeoratdogs · Posted: Mon Dec 20, 2010 8:12 pm Post subject:

rodeoratdogs · Posted: Thu Jan 27, 2011 1:18 pm Post subject:

The article is out, I just got my copy and they did use a pic of my boy Very Happy

Anyhow it's a very interesting article, I'll post it here when they publish it online.
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