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Failed colours

Equine-Reproduction.com Bulletin Board » Equine Genetics » Failed colours « Previous Next »


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Anonymous
 
Posted From: 203.221.63.68
Posted on Sunday, June 19, 2005 - 08:06 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thought it might be of interest to some that buckskins are failed bays and that some still carry the aguites gene even though failed. And every one knows that a palomino is a failed chestnut. Even though buckskins are failed they are still highly sought after horses worth alot of money.

Also it is very uncommon to get a true black horse. Most dark horses are classed as dark brown. They aren't common because they usually only result from homozygous parents.

I want to breed my dark brown mare with a chestnut stallion and I'll most probably get a dark horse out of it but I could get a bay if one of them carries the aguites gene or I could get a colour failure and get a grey!

Interesting huh?
 

Kay Baxter
Weanling
Username: Kaykay

Post Number: 27
Registered: 06-2005
Posted on Sunday, June 19, 2005 - 09:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

i have never heard this term of "failed" used?? Both buckskins and Palomino's are the result of the cream gene diluting the base coat color of a horse. There are alot of smokey blacks out there they are incorrectly registered because most people just see black. These horses are very sought after in the miniatures.

Also imo you cannot get a grey unless a parent carries the grey gene. It doesnt just appear it has to be in the genes. So in my book no you cannot breed a brown mare to a chestnut and get a grey. Now you could get a silver chestnut if one was carrying the silver gene but you would see it in the parents.

Kay
 

Anonymous
 
Posted From: 12.6.248.88
Posted on Tuesday, June 21, 2005 - 03:57 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

It's all about the genes. Buckskin, palomino, and gray all result because of particular genes actively working in that horse's genetic makeup. Even with dark colored horses, if they look black, they could be genetically brown or bay and they will reproduce as such. some faded black horses look bay or brown as well, but they will reproduce as black, all regardless of what you actually see.
 

Sandy D
Yearling
Username: Sbr_appaloosas

Post Number: 59
Registered: 04-2005
Posted on Tuesday, June 21, 2005 - 11:01 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

All true buckskins carry the agouti gene, not just some, that is what restricts black to the points. But they could only be carrying one copy of the gene rather than two, therefore only passing black points 50% of the time.
When you breed a dark brown to a chestnut, you will have a 50% chance of getting a chestnut. There is 0% chance of getting gray from this cross unless one of the horses is a gray. Gray never skips a generation.
I believe when the poster was referring to "failed" they are really meaning dilute. Gray is not the result of a dilution gene, but is a separate gene in itself.



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