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 Expert
Posts: 2385
  
| Now, I know she's a bay, but is there something else going on here?
http://www.allbreedpedigree.com/katies+casino+girl
Sire is a bay. Grand sire was brown and Grand dam was sorrel.
Dam is also bay. Grandsire was bay and Grand dam was brown.
Here is Katie during the fall/winter:
She sheds out to a dun color in the summer (she is not body clipped):
Is this some odd marking? I really don't think it's a scar. The hair has a silver-ish color to it. Its on her hip in the 2nd picture:
No coon tail, but she does have a few white hairs mixed in her black tail:
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Extreme Veteran
Posts: 349
| I'm no help but we have a horse with the similar bay in the winter dun in the summer coat. Love to see what the ruling is on this. I have always said bay(though when I fist saw him(summer) I swore he was dun. |
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 Tried and True
Posts: 21185
 
Location: Where I am happiest | You have to have the defined line down the back to have a dun. |
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 Canine Carryout Queen
Location: Oklahoma | You have a bay ... she bleaches ... she may have some counter shading but no true dorsal stripe.
Can't get a dun from a bay x bay cross |
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 You get what you give
Posts: 13030
Location: Texas | In order to have a dun, one of the parents had to be dun, if I am not mistaken.
Dun factor is where you get the dorsal stripe, the cross over the withers, leg barring on the hocks and knees. If they don't have those, they aren't dun.
Buckskin is a dilute of bay but it's impossible unless one of the parents is buckskin also. I agree this is a bay that lightens in the summer.
If you want just to be 10000% sure, you can order DNA tests from UC Davis. That's how I confirmed my mare was black and not dark brown.
Edited by casualdust07 2014-01-30 7:17 AM
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Expert
Posts: 2385
| Thanks guys. Anyone have any idea on what that odd spot on her hip is? Like I said before, it has a silver tint to the hair.
I guess I though something else was going on with the white hair in her tail and with how there is more brown hair on her legs than black. |
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 Expert
Posts: 1898
| Birdcatcher spot maybe?
Edited by cyount2009 2014-01-30 3:11 PM
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 That's White "Man" to You
Posts: 5515
| Coat Color Calculator
Sire Color: Bay | Agouti: | Aa, AA | Tobiano: | - | | Red Factor: | Ee, EE | LWO: | - | | Cream: | - | Sabino: | - | | Silver: | - | Splash: | - | | Dun: | - | Roan: | - | | Champagne: | - | Appaloosa: | - | | Gray: | - | | | Dam Color: Bay | Agouti: | Aa, AA | Tobiano: | - | | Red Factor: | Ee, EE | LWO: | - | | Cream: | - | Sabino: | - | | Silver: | - | Splash: | - | | Dun: | - | Roan: | - | | Champagne: | - | Appaloosa: | - | | Gray: | - | | | Details: Bay
EE/AA = 31.6406%
EE/Aa = 21.0938%
Ee/AA = 21.0938%
Ee/Aa = 14.0625% Details: Chestnut
ee/AA = 3.5156%
ee/Aa = 2.3438%
ee/aa = 0.3906% Details: Black
EE/aa = 3.5156%
Ee/aa = 2.3438% Details: All EE/AA = 31.6406%
EE/Aa = 21.0938%
Ee/AA = 21.0938%
Ee/Aa = 14.0625%
EE/aa = 3.5156%
ee/AA = 3.5156%
Ee/aa = 2.3438%
ee/Aa = 2.3438%
ee/aa = 0.3906% | Offspring Color Probability | 87.89% - | Bay | | 6.25% - | Chestnut | | 5.86% - | Black | Shown below are the possible offspring coat colors and the probability of each determined using the given information of the sire and dam. Accuracy of the calculations increase when more genetic information of the parents is known. Time = 0.1094 sec |
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 Champ
Posts: 19623
Location: Peg-Leg Julia Grimm | I've had a mare that had countershading down her back. She was registered as a dun. She didn't have any of the other characteristics of dun. She was bred 8 times before I got her. Never had a dun foal. She wasn't dun. She was bay.
I think your horse might be what is called a "wild bay". Their leg black is lower.
As far as the roan spot. The birdcatcher spots are smaller. more the size of a dime. They aren't roan either. They are pure white. There are a lot of things we still don't understand about color anomalies. Maybe after they are through identifying genetic defects they'll start on unexplained color patterns. |
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 Expert
Posts: 1218
Location: Great NW | I have had two bays that shed out the same color as your mare. they sure tried hard to be a dun. I have seen quite a few horses with that patch(different location of course) It has never occured to me to figure out where it was coming from would be interesting to know. |
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 Neat Freak
Posts: 11216
Location: Wonderful Wyoming | My gelding did that too. One of the neighbors kept talking about my buckskin. Sheesh I wish lol. I couldn't figure out what horse he was talking about. He was not bleached out in the top pic either. Had been stalled and blanketed all year.
Edited by wyoming barrel racer 2014-01-30 6:36 PM
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 Keeper of the King Snake
Posts: 7616
Location: Dubach, LA | I have the book on color but I'm too lazy to get up and go find it. |
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 Elite Veteran
Posts: 1067
Location: Kansas | You have a bay. She bleaches out in the sunshine because her genetic alleles don't possses enough color information (or too much depending on how you look at it) If you breed her to a buckskin you could get a buckskin if he were homozygous dominant for bucksin. Buckskin people say bays are failed bucksksin. Depends on how you lok at that.
The roan spot - old timers call them fly specks - are the result of lack of amino acid threonine. For some reason that allele did not get enough threonine so no color.
PS She is a nice looking mare what ever color you choose!
Edited by canchaser177 2014-01-30 6:28 PM
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 Georgia Peach
Posts: 8338
Location: Georgia |
Definitely a bay. All of mine have gotten lighter in the summer to some degree. I have a friend whose bay mare turns into a "buckskin" color like your mare.As far as the white mark, horses can have birth marks or it could be a scar.
Edited by Runninbay 2014-01-30 10:32 PM
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 Elite Veteran
Posts: 902
Location: Qld Australia | Bay
:-) |
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Veteran
Posts: 116
| If the stallion was homozygous buckskin he wouldn't be buckskin, he'd be perlino. |
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 Veteran
Posts: 137
Location: ILLINOIS | I would like to put in that the white roan spot MAY NOT be birdcatcher spots... We had a sorrel cutting horse that had a LARGE spot on his hind leg, they called it Rabicano. He had a little roaning in his tail along with this spot. I guess Rabicano coloring can vary tremendously and isn't always spread throughout the body. His sire was a rabicano and looked kind of like a roan, but only his sides were really roan. Very beautiful stud.
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