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This is a discussion on colours... within the Horse Breeding forums, part of the Horse Breeds, Breeding, and Genetics category

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    11-26-2009, 04:34 AM

I have a sorrell mare with very strong chestnut bloodlines,

What stallion with what coulour genes do I need to breed to to get any other coulur?????

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    11-26-2009, 07:58 AM
A double dilute Horse and you wont get a chestnut , you will get pally or buckskin. A grey and you will have aprox 50% chance of chesnut & 50% chance of grey.

HOMOZYGOUS black will produce black foal 99% of the time.
What breed is she ??

Hope that helps.
    11-26-2009, 11:26 AM
As Shalani said, breeding to a double dilute will guarantee that the foal inherits a dilute gene.

Breeding a sorrell/chestnut (interchangeable terms as far as genetics go) to a cremello will yield palomino 100% of the time. Breeding to a perlino gives the possibility of buckskin or smoky black, or palomino, all depending on the extension (E) status of the perlino, and the agouti (A) status of both the sire and dam.

With a grey sire, the foal could be born chestnut depending on the sire's E, but if the grey is heterozygous, the foal will have a 50/50 chance of inheriting the grey gene and it will gradually get white hairs as it ages-- ie. "turn grey". If the sire is homozygous for grey, the foal will turn grey 100% of the time.

With a sire that is homozygous black, (meaning EE at extension) you will not get a chestnut foal-- depending on the agouti (A) status of the parents, you can get black or bay or brown.

(OH also a grey sire could also be homozygous black-- the gene for grey does not replace other genes for color a horse has, it just causes white hairs to progressively replace whatrever color the horse was born.)

Both E and A are testable, if you are curious. You would not need to test a sorrell/chestnut mare for E (by her color she is ee) but you could test for A for more info on the possibilities. If you know what color her parents and better yet grandparents and other ancestors were, it might be possible to determine her A staus without a test, by analyzing her pedigree.
    11-26-2009, 01:43 PM
I think you should breed to a cremello, if you want to breed. Then you will get a palomino, or some other yellow color I think(lol, I'm not to good at this).
If you want a paint baby(2 color), then breed to a homogeneous paint stud. Then you will always get the 2-color foal, if I'm correct. There is also Double Homogeneous, but I'm not sure what that does. :) the other people will probably answer better to the question with the Gene stuff lol
    12-06-2009, 04:59 AM
She is QH
    12-06-2009, 09:17 AM
>>> she is QH

Do you have pedigree info with names/colors for her parents and/or grandparents? Being QH doesn't really mean anything as far as color inheritance, because QHs come in many/most of the known horse colors, and color genetics in the QH breed are the same as the majority of other breeds.
    12-15-2009, 06:54 AM
She is by triandibo zippinalong out of lady trade, both sorrel/chestnuts,
Have looked up all family and the most of them are chestnut or sorrel, there is like one or two bays in five generations.

And I was asked the breed not the pedigree
    12-15-2009, 06:58 AM
I would not breed for gray myself. Just a personal preferance but most gray horses begin to develop melanomas (skin cancers) as they age. Most grays have them by 15 years old but some never get external ones and other horses like my mustang get them early. He is only 7 and has already had 2 removed. I would probably go for the double dilute (though a good stallion colored like that is hard to find).
    12-15-2009, 07:01 AM
I do not want a gray
If I breed her to homogynous pali stallion, I can only get a buckskin or pali...

Now just to find one!
    12-15-2009, 09:27 AM
"Homozygous pali" is cremello-- and you wouldn't get buckskin from that cross, just palomino.

I wasn't trying to be rude when I said breed didn't matter so much-- I realize now that someone asked what breed she was-- but what I said about breed not being so much of a factor in color inheritance was accurate.

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