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Any ideas on colors here?

Equine-Reproduction.com Bulletin Board » Equine Genetics » Any ideas on colors here? « Previous Next »


Author Message
 

Jackie
Nursing Foal
Username: Justafarm

Post Number: 16
Registered: 11-2006
Posted on Monday, February 19, 2007 - 01:41 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Mare 1 is dark bay DWB. Her sire was a bright bay and dam was black. Mare 2 is a bright bay TB. Her sire was a bright bay and dam was chesnut. Both mares are in foal to a grey Andalusian stallion. Any ideas or guesses as to what I might get from these girls? Thanks!
 

Heather Kutyba
Breeding Stock
Username: Heatherck11

Post Number: 422
Registered: 01-2006
Posted on Monday, February 19, 2007 - 11:24 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Without knowing the mares and stallions specific color type (hetero/homo on the agouti & greying)...that's the closest I can get.

Both mares:
Bay/bown
Black
Chestnut/sorrel...

All with at least a 50% chance of the grey gene passing.
When are they due?
 

Jackie
Nursing Foal
Username: Justafarm

Post Number: 17
Registered: 11-2006
Posted on Tuesday, February 20, 2007 - 09:03 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks! The TB is due around the end of April and the DWB is due around mid-May. I will post colors when I see what I get!
 

Jill Diane Jurd
Neonate
Username: Koolgrass

Post Number: 1
Registered: 10-2010
Posted on Tuesday, October 19, 2010 - 07:45 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

What color will I get from a Palomino sire and a fleabitten grey mare
 

Diana Gilger
Senior Stallion or Mare
Username: Kdgilger

Post Number: 3672
Registered: 01-2008
Posted on Tuesday, October 19, 2010 - 08:53 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Depends on the base coat color of the fleabitten grey....if you happen to know it?
 

Holly
Senior Stallion or Mare
Username: Bonny

Post Number: 2289
Registered: 03-2008
Posted on Tuesday, October 19, 2010 - 10:46 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

http://www.animalgenetics.us/CCalculator1.asp
 

Gypsy Cob
Weanling
Username: Gypsy_cob

Post Number: 22
Registered: 01-2010
Posted on Monday, November 08, 2010 - 09:31 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Mare 1 will carry one Agouti gene (from the bay parent)
and will either be homozygous black or one black and one chestnut gene.
All horses are red / black based, you can very easily tell if a horse is homozygous for red (chestnut, or I think you call it Sorrel over there) as the horse will be chestnut...
Black is dominant so you can have a black based horse (looks black or bay) that also carries a red gene, you need to test for it to know unless you say have one red parent.

Agouti (bay) is a black based horse that has the agouti modifier, agoutie is a modifier that only affects black, just as cream is a modifier that only affects chestnut and causes you to have buckskin or palomino.

... so anyway... mare 1 can have either black or bay as I assume to stallion would have been born black or bay, not that many chestnuts in the Andys (at least not in Australia) if the stallion only carries one copy of the grey gene the foal has a 50% chance of greying out, if he is homozygous grey then the foal WILL grey out.

Mare two will be red black based, so one red gene coming from the chestnut (sorrel) parent and one black gene from the bay parent along with the agouti modifier, as chestnut is recessive, black and bay are both dominant you will probably get the same as mare one UNLESS the stallion carries red in which case you have a 50% chance of chestnut - however I would hazzard a guess and say the stallion would be homozygous black
 

Gypsy Cob
Weanling
Username: Gypsy_cob

Post Number: 23
Registered: 01-2010
Posted on Monday, November 08, 2010 - 09:35 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

also forgot to say, chestnut horses can also carry Agouti, you just cant see it... you need black for it to be visible so she could actually be homozygous agouti - meaning she can only produce bay based babies, thus no black foals no matter what



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