Silver (sometimes called silver dapple; in the Rocky Mountain
breed it is called "chocolate") is a dilution gene that only affects black hair.
It does not "show" on chestnuts, since they do not have black hair to be diluted
by the gene, but silver can be passed on by those chestnuts who carry silver.
The silver gene dilutes any black hair on the horse to shades of chocolate through slate gray, sometimes with dappling, and has an added lightening effect on the mane and tail, turning them silvery gray, straw colored, or even platinum. Because
silver is a dominant gene, all silvers have at least one silver (or a chestnut that is carrying the silver gene) parent.
For more information on silver dapple Morgans, visit
The silver dapple gene can now be tested for.
The 2006 Uppsala University (Sweden) study can be downloaded here in PDF
format. Four silver dapple Morgans were a part of this study, and the bay silver Morgan colt
Unconventional and the chestnut (carrying silver)
Morgan mare Amanda's Suzy Q are pictured in it. For
more information about testing your horse for the silver dilution, please
visit the UC Davis website.
There is only one known source of the silver dapple gene in Morgans, Dan, a chestnut (carrying silver dapple)
foaled in 1916, a son of Headlight Morgan. However, there are many descendants of Dan who did not inherit his silver dapple gene. There are two lines
descended from Dan that are known to be silver and they come from the 1966 chestnut (carrying silver) stallion, Topside Jolly Roger,
and the 1975 chestnut (carrying silver) stallion, Crimson Jack. Topside Jolly Roger's color line comes down to us in horses from his silver
dapple son, Pegasus Persuader; Crimson Jack's silver dapple descendants, fewer in number, come from his chestnut (carrying silver)
granddaughter Amanda's Suzie Q.
Click on any photo to enlarge
ERBER'S APRIL JOY (Erber's CF Onyx x Pegasus Prime Joy), 1998 bay silver mare, with her 2008 bay silver daughter UDM Mia Amore
(raf) (by Hillfield Nightrider).
April's mane and tail have darkened somewhat with age, as many silvers do, but their silver-gray coloring as well as her charcoal-chocolate
colored diluted legs, are typical of bay silvers. April and Mia are owned by
Upson Downs Morgans and Stone Pine Farm. Photo courtesy of Tracy Trevorrow.
The late ZEULNER'S SILVER LEGACY (Zeulner's Sunka Wakan x Oregon N Blacksaddle Ecstacy), 2005 black silver stallion, with his weanling black silver daughter
IN STERLING (x MLF Emotion), f. 2009. Photo by Linda Sterling, Sterling Morgans,
EDGEFIELD VERMEIL (Edgefield Sun Gold x Foxton Frosty Dawn), 2009 buckskin silver filly owned by (and pictured with) Charlene Cook,
Edgefield Farm. You can see that the
usually-black points of the buckskin are diluted to chocolate and a mix of gray and chocolate hairs by the action of the added silver gene. Photo courtesy of Char Cook.
POSITIVELY CHARMED (Gone Gold X Foxton Frosty Dawn), 2007 smoky black silver filly owned by Brookridge Morgans.
"Charli" carries both a cream gene and a silver gene. Her color changes from birth to the present
TMV TAYLOR MADE (Finally's Mr. Andy X Amanda's Suzy Q), 2007 buckskin silver colt owned by Tamars Vantures. The interaction of
one cream gene with the silver gene creates some very interesting- and confusing!- colors. Taylor's black points, which would be black if he was buckskin-only, are diluted
to chocolate by his silver gene. Silver is also diluting his black mane and tail to a greyish silver.
Most bay-based buckskin silvers are this pale body color, rather than the
deeper golden coloring of most buckskin-onlys. Brown based buckskin silvers may be darker
than this, however. Photo courtesy of Tamara Dirrim.
UNCONVENTIONAL (Gone Gold X Foxton Frosty Dawn), 2006 bay silver dapple
stallion (pictured as a weanling). Owned
by Lyle and Cindy Dietz, Coulee Bend Morgans, Galahad, AB. This colt has
fairly light lower legs still, which will darken as he matures. It is easy to see
how many silvers can be mistaken for flaxen chestnuts. You can find many more pictures of
"Connor" as a youngster
here. Photo by Laura Behning.
TMV SILVER HAWK (Carbide Smoke X Amanda's Suzie Q),
2004 dark bay or brown silver dapple colt owned by Tamara Dirrim, Tamars Ventures.
First picture taken in winter coat as a late yearling, fall 2005, courtesy of
Tamara Dirrim. Second picture taken spring 2009 at age 5, by Laura Behning.
FOXTON FAWN (Society Statusmaster X Foxton Felicia), 1987 brown silver dapple mare. Silver dapple
was confirmed in the breed in 2002. When Fawn's grandson,
Zeulner's Sunka Wakan, (then registered as chestnut) sired a bay foal out of a chestnut mare, Sunka's owners had the stallion tested via the Red Factor test at UC Davis, and discovered he is NOT chestnut. Fawn, through her dam Felicia, is the source of Sunka's silver gene. Fawn is now owned by Lisa Holec of Senoia Georgia. She has been Red Factor tested homozygous
for black. Photo by Laura Behning.
SCHAENZER'S SILVER EAGLE (Zeulner's Sunka Wakan X Granaway Bon Amie), 2004
dark bay/brown silver stallion (pictured as a weanling) owned by Ken Thomas, Thomas Morgans. Silver has not quite finished shedding his foal coat here, so his legs are just beginning to show the hints of the darker points they will have at full shed.
LONE PINE STARLITE (Dutch Royal Tribute, bay X Pegasus Polka Dot, chestnut carrying silver),
1998 silver dapple bay mare, registered as chestnut, but confirmed "Ee" (heterozygous black) via UC
Davis Red Factor testing. Daisy almost looks like a "normal" bay colored horse,
except for the silvering in her mane and tail and the washed out points. Daisy
is owned by Karen Burridge, Upsondowns Morgans and Marilyn Esteb, Stone Pine Farm. Photo courtesy of
FOXTON SMOKEY DAWN (Topside Midnight X Foxton Felicia), 1990 black silver mare owned by
Foxton Morgans in Foxton CO. Dawn's mane and tail was lighter when she was a youngster; now it has age darkened (a phenomenon thought to be the result of the sooty gene; age darkening also can happen in other light mane and tailed horses like palominos and flaxen chestnuts) considerably, but retains the silvering at the ends of the mane and in the forelock. This mare tested as homozygous
for black, no agouti, meaning she is silver dapple on a black base color. Photo by Laura Behning.
FOXTON FROSTY DAWN (Foxton Society Beau X Foxton Smokey Dawn), 2002 dark bay or brown silver mare owned by Laura Behning,
Brookridge Morgans, Covington, GA. You can see many more pictures of Frosty on her
web page. Frosty tested as homozygous for black via the UC Davis Red Factor test.
She has had four foals so far, all silvers, three of which are pictured on this page.
WHITING'S FANCY STAR (Foxton Debonair X Foxton Fawn), 1999 silver dapple mare, pictured here as a (sun-faded) yearling. Fancy Star is one of several classic silver dapple offspring of Foxton Fawn. She is owned by
Joyce Urroz of Custer SD. Photo courtesy of Fancy's breeder Carroll Whiting.
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