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Another Splashed White Test falls through the cracks....

Here is yet another mystery that makes me wonder if the current Splashed White test is incomplete and there are more splashed whites that are not included in this test. I was about to test this colt, but there is no reason to if the dam has tested negative and the sire is a solid. Here is the dam which tested negative: [img]http://pacificpintos.com/broodmares/images/lakota1.jpg[/img][img]http:/…] Pacific Lakota Stars Jet Black Homozygous Tobiano Pinto, partial Blue Eyes. Lakota has been tested and is Homozygous for Tobiano (TT). She has tested negative for the Frame, and Splashed White gene. Coat Color results for Pacific Lakota Stars(DT29463): Splashed White SW-1 Result: N/N - No copies of SW-1 mutation. Splashed White SW-2 Result: N/N - No copies of SW-2 mutation. Splashed White SW-3 Result: N/N - No copies of SW-3 mutation. [img]http://www.highmeadowminiatures.com/Grand%20Slamh.jpg[/img] Sire of colt below is a solid bay dun. This is the foal from these two horses. Foal is parentage qualified. [img]http://pacificpintos.com/stallions/images/wildcard1.jpg[/img][img]http:…] Pacific Wild Card Dun Tobiano Tovero Pinto Yearling Colt, with Right Eye Blue. Homozygous for Black. Wild Card has been tested and carries a single Tobiano (nT) pinto gene, a single Bay (Agouti) gene, he is Homozygous for Black (he can never produce a red foal no matter what mare he is bred to); and tested negative for cream. Your thoughts would be appreciated.

Pacific Pintos Sat, 03/10/2012 - 10:28

In reply to by Daylene Alford

We have asked UCD to add this to the group that are testing negative that appear to also have the splashed white gene.

I am posting this for education purposes.

Pacific Pintos Sat, 03/10/2012 - 10:33

In reply to by Daylene Alford

[quote=admin]There has also been at least one solid horse produce homozygous sw1 offspring.[/quote]

NO facial white??

Pacific Pintos Sun, 03/11/2012 - 01:39

In reply to by Daylene Alford

I would sure like to see a color photo pedigree on some of these to see what these solids have in their background.

vetrodgers11 Thu, 03/29/2012 - 22:37

I am wondering what the subject line means. It seems that this is the case of two negative parents that have produced a negative offspring. Why would this mean a splashed white was missed? Am I missing a result? The mother is a homozygous tobiano, father is a solid. Appears that foal is a tobiano. None of the horses appear to carry splashed white. Am I missing something? Trying to follow what the problem is. If the question is should you test, then I would say without hesitation that that answer should be NO. Neither parent appears to be splashed white and neither does the foal. Hope this helps.

Monsterpony Fri, 03/30/2012 - 00:50

I have to disagree. The foal has very strong splash expression in the face plus the loss of the left flank shield. I would definitely call it splash + tobiano.

Daylene Alford Fri, 03/30/2012 - 10:18

I agree with Monsterpony, the foal has what we have always considered to be very "splashy" white. That when combined with a blue eye seems to indicate a possible Splashed White mutation that has not been located. Of course, further study will be needed to determine if this is indeed the case.

Pacific Pintos Thu, 04/19/2012 - 09:29

In reply to by Daylene Alford

The foal tested positive.

The solid sire also tested positive. No white at all on the sire, brown eyes, and 5 generations of solid in his background.

Threnody Thu, 04/19/2012 - 10:51

That's awesome. I love seeing the extreme minimals. Makes it harder to be certain about horse colors by looking at them, but it's amazing to see a pinto positive be completely solid. Any images of his sire and dam?

Pacific Pintos Thu, 04/19/2012 - 15:05

I am too frustrated to be happy about this. If there are no definitive markings it makes it MUCH harder to decide which horses to test.

Two more photos of the sire that tested positive. I do not own him. I will try and find photos of his sire and dam.

Spotting Girl Fri, 04/20/2012 - 02:53

In reply to by Daylene Alford

I guess the DUN Gene covers the MITF Prom1 Allel. Allready saw this in Icelandic Horses!!

Third Peppermint Fri, 04/20/2012 - 07:53

Thanks Threnody.

Pacific Pintos - Do you know if that stallion has white spots on the bottoms of his feet? I remember reading registry information for a certain breed of horse/pony that wasn't supposed to have much white, if any, and in the registry they recorded, not only if there were white hairs ANYWHERE, but also if there were white on the bottoms of the feet. I was under the impression that white markings could be as minimal as a tiny white splot on the sole of a foot, if even that.

rodeoratdogs Fri, 04/20/2012 - 08:36

In reply to by Daylene Alford

[quote=Threnody]Already made it when the test came out! :P

[IMG]http://i872.photobucket.com/albums/ab28…]

Love this, cracks me up =)) We should make Threnodys' test all the ponies T-Shirts! LOL

What about Annie? Sorry I'm slower than you guys when it come to some of this stuff :ymblushing: .

Daylene Alford Fri, 04/20/2012 - 08:53

If I understood her correctly, Spotting Girl was saying that dun was saying that dun was epistatic (overwrites) SW1. I was using Annie as a counter example.

Pacific Pintos Fri, 04/20/2012 - 08:59

I have no idea if there is white on his soles.

UCD has just stated that miniatures do not fall into the same category as full size horses and frequently have little to no visible white.

It has been the same with the LWO gene, but there are certain genetic lines that are known to carry LWO, so if you have them in your pedigree you know to test.

The splashed white test, especially with ones that appear to have it testing negative, and then ones that are solid testing positive, is proving to be a complicated gene for breeders.

rodeoratdogs Fri, 04/20/2012 - 09:09

In reply to by Daylene Alford

[quote=admin]If I understood her correctly, Spotting Girl was saying that dun was saying that dun was epistatic (overwrites) SW1. I was using Annie as a counter example.[/quote]

Oh ok! I get it now thanks!