Tested Horses
I'm not even saying there's more than one dun gene ... but that
the markers may differ, depending upon through which horses it was
passed down. Of course, we on
dungenes@Yahoogroups.com
(which had other names before Yahoo took over) have long discussed
whether it's a combination of genes, one dominant gene, etc....
those of you on
the list
for a long time will well remember all of this. We do not feel
there is any conclusion "etched in stone" at this time.
Check back every so often for the latest
updates and additions. If you have something to add, send it to
the list
(click here to join) or directly to me . If you
sent one and it isn't here yet, please drop
me a note to remind me.
(It's free publicity!) -- Thanks.
On this page are pictured horses that have been tested for dun,
using the UC Davis "dun markers" test, noting whether the results were
negative or positive. The viewer may then compare overall body color,
degree of dilution, sootiness, and markings.
We are not going to comment on
dark ear tips or dark ear
outlining because those are widely known to occur in many colors
other than dun. If you have doubts, take a look at a few
"plain old bays".
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Courtesy of Dana Flaherty :
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POSITIVE: AMBERFIELDS INDIGO SKYE; Dana Flaherty sent these pictures and
information about her mare, tested positive for dun, said to have had no leg
barring of any kind, ever. Ee, aa, crcr, Dd –- which makes
her a true, pure grulla; 2006 mare by FPS Success Made In Dun x Amberfields October Skye.
Detail pics; click to see full size:
 
ear tips appear to have light hairs in both of these pics,
above |
 < =unless there
really is a light line at the base there seems to be no ear barring
here |
<= this large picture shows a
shaded-looking dorsal, shoulder barring, and a fairly
full-face-mask |
 <=
foreleg appears to have some shading in this picture, but
Dana assures us that, in person, there is nothing like that,
or the below.
 <=
she's facing right here; she may have mottling
or fine lines, but it's obscured by, and may even be caused by,
her general sootiness & dappling.
I once studied a field full of red duns, some of which had
"non-barring" leg markings like that. |
this foreleg picture, above, appears to show
light areas separating dark areas, like
LadyBug's forelegs. Again, Dana says there is no
sign of it "in person". |
 
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<= dorsal appears to have some shading in
this picture; minimal to no tail frosting. However:
<= hard to believe this is the same rump
as above! |
<= one could imagine seeing some kind of
markings here; a continuation of the overall dappling? |
<= the complete absence of markings on
her legs as a foal is remarkable, since even many non-dun
foals have those! We all have to keep an open mind,
apparently... |
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These next 3 TWH palomino duns were formerly owned, and tested,
by
Legacy Spotted Walkers. All tested positive; one has minimal to
no markings. These horses
are now owned by Big Sky Walkers.
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POSITIVE: Sunny's Royal Delight:
D/N
 
PEDIGREE: SUNNY Click the one thumbnail to see full size. |
POSITIVE: DUN DANCING IN THE RAIN:
D/N
PEDIGREE:
RAIN
  
  <=
Click these bottom two to see full size.
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"Nick" is the most remarkable of these 3, since he has
no sign of leg barring and an "on-again, off-again" dorsal
stripe. Click to see full size.
PEDIGREE: NICK
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...Angela Wallace now has 12 tested duns, including graying palomino duns, and is
providing us with examples. All horses tested on her ranch were
positive.
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POSITIVE: a tobiano TWH colt, Old West Dreamer BSW, whose white
markings cancel out every place where a dun would have stripes. He does
seem to have a hint of a "lower face mask", however. Tested positive.
 
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POSITIVE: a graying palomino dun TWH stallion, Call Me Double
Trouble.
Angela says "his mane was really white and it has turned black" as he grayed.
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POSITIVE: tobiano filly, Big Sky We Dun
Good
This is the new thumbnail format I'm using on all my web sites, now. My
apologies to those with the old format. I'll have my clone change them all
to this format... just kidding. heh heh
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POSITIVE: Big Sky Shez Dun It
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POSITIVE: palomino stud colt, Big Sky Dun Trigger
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POSITIVE: palomino silver dun stud colt, Big Sky Dun Luck Of The Draw
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POSITIVE: stud colt Big Sky Dun Desperodo (sic); tested Ee, aa,
no cream and D/n
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Marlene Leroux had a dun-tested AQHA stud
colt, below; he has since been sold to Cheryl Van
Immerzeel of
Colour V Ranch in Vancouver, BC, where you can see more, and more recent,
pictures of him.
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POSITIVE: a classic grulla stud colt, My Beau Vanzi
 2008
American Quarter Horse stud colt; Classic Grulla; AQHA # 5153220 ICHR# pending.
My Beau Vanzi is DNA tested D/d, Ch/ch, E/e, a/a, and so is a proven
classic grulla. He is a grandson of world famous My Skip Vanzi.
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Pamela , a member of the
dungenes list, has a filly that tested EeAaDd. This would make her a "basic dun"
-- dun on bay.
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This first champagne filly was bred by Julie Yatsko of Manitoba, Canada.
Just moved her here from farther up the page where she was out of place! Now...
does she go back to Yellow Jacket...? |
  NEGATIVE: TYRA, champagne foal with some striping, tested negative for the dun gene.
Champagne duns usually have
very clear coat color right up to their very distinct, sharp-edged dorsal
stripes.
Click to see full size. |
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These next two, a stallion and his daughter, were provided by Tara Novotny of
Arizona, USA, and both tested negative. They do not
trace their dun coloring back to Yellow Jacket. |
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This May 2009 AQHA yearling filly, Cross Bar Classy Gal, was recently sold by
Tara to Angie Marques of California. Her dun coloring
has so far only been traced to "Orion", her sire, just below.
These photos were taken by Carolyn Shepard, president of the
ICHR (this filly and her sire are also
champagne, in addition to whatever is causing the striping). They are
unretouched for authenticity, so you may want to lighten, increase contrast, or
gamma-correct to see them clearly. As usual, click these thumbnail pictures to see them larger.
UPDATE -- at age 2, the filly still has the same markings.
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Cooke County Classic ("Orion"), AQHA stallion, sire of mare above. We
don't have concrete information about whether this stallion was ever tested for
dun. He was sold to Canada and died as a result of a pasture accident, so
the chances of any more information about him are slim. These photos are courtesy
of Tara, when she owned him.
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