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Question/Help: If I don't get a grey....

Equine-Reproduction.com Bulletin Board » Equine Genetics » Question/Help: If I don't get a grey.... « Previous Next »


Author Message
 

Lisa R.
Breeding Stock
Username: Lisa98

Post Number: 160
Registered: 02-2007
Posted on Friday, October 12, 2007 - 03:33 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

what other colors could I end up with?? If I post color pedigrees of both parents could someone help me determine if I could get something other than a grey and if so what it might be??

Here are links to the color pedigrees:
Dam-
http://i123.photobucket.com/albums/o318/lisalynn98/Randomness/Ianapedigree.jpg

Sire-
http://i123.photobucket.com/albums/o318/lisalynn98/Randomness/Heroepedigree.jpg

I am pretty much color clueless...so thanks in advance for any help!!
 

Cathy Cook
Breeding Stock
Username: Razmacat

Post Number: 436
Registered: 08-2005
Posted on Friday, October 12, 2007 - 10:30 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Color is a crap shoot, I have bred two grays with gray behind them and gotten bay. Several times, thank God we don't breed for color!
 

Tracy Smith
Breeding Stock
Username: Tracys

Post Number: 187
Registered: 08-2007
Posted on Friday, October 12, 2007 - 10:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

You're right about that! I bred 2 bays and got a chestnut!
 

judy cervantes
Neonate
Username: Judy

Post Number: 10
Registered: 08-2007
Posted on Saturday, October 13, 2007 - 12:02 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

lisa,try going to www.animalgenetics.us,then click on horse,then on the fare lft click on color calculator and put in your info,that should give you the info u need.
 

Audrey Crosby McLellan
Neonate
Username: Accphotography

Post Number: 7
Registered: 10-2007
Posted on Saturday, October 13, 2007 - 01:19 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

It is impossible to tell without genetic testing the parents, and even then we couldn't know for sure as we do not know their zygosity status for gray. I can honestly say I believe you could get any of the primary colors, chestnut, bay, black and gray. Well, your horse will be either chestnut, bay or black regardless of the gray. The gray will just cover it if the horse gets a copy.

ACC
 

Lisa R.
Breeding Stock
Username: Lisa98

Post Number: 161
Registered: 02-2007
Posted on Saturday, October 13, 2007 - 10:48 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks guys, and you said it there Cathy....at least we don't breed for color!! I know that grey is a dilution gene (right) so I guess I'll just have to wait to see if my foal gets that right? I would just LOVE a black filly; but healthy grey baby is just as good. I thought that maybe one could tell from knowing the color pedigree - didn't think about zygosity
 

Audrey Crosby McLellan
Neonate
Username: Accphotography

Post Number: 8
Registered: 10-2007
Posted on Saturday, October 13, 2007 - 12:01 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Well, there is SO much gray in the family, that homzygosity in one or both parents is very possible. As to the base color, I can't tell you because the ones listed as gray all had base colors, but we don't know what they are because they were registered as gray. Anyone who was there when they were born would know, but outside of that...

Gray is a modifier as opposed to a diluter, but they inherit the same way. One heterozygous gray parent = 50% gray foal. 2 heterozygous parents = 75% chance of gray foal. 1 homozygous parent = gray foal, period. I suspect there is little chance you will not have a gray. But hey, even Friesians occasionally produce a chestnut foal, so anything is possible.

ACC
 

Lisa R.
Breeding Stock
Username: Lisa98

Post Number: 162
Registered: 02-2007
Posted on Saturday, October 13, 2007 - 02:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks for the lesson ACC....I know the VERY basics and that is it ;) I love reading all these genetics posts and learning from you guys. I'll be fine with my grey baby....but I'm still hoping for black, he he.
 

E Watkins
Breeding Stock
Username: Ev_watkins

Post Number: 258
Registered: 03-2007
Posted on Monday, October 15, 2007 - 01:21 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I have to agree with Cathy- color IS a crap shoot. We had a gray stud that in all the years we owned him produced 80% gray foals every year, I opted to use him on my two colored mares, one a gray, the other a grulla.. guess what?? BAYS! now the gelding out of the grulla, he's a total color collage.. bay with white in his tail and at two, I've not given up on him going gray eventually..he has a dorsal stripe as well but apparently not enough dun factor influence to modify that bay coat to a yellow dun..and the dorsal really is incomplete, it only extends up to about his wither, as he ages, it becomes more predominant... he intrigues me and as I still hold out that he will eventually turn gray (arguement with the spouse over this one) I have to keep him to maturity just to prove my point.. Smart little horse.. I don't ever keep stud colts, this one has found a way to keep me guess and ensure his remaining in the herd! :-) Ev
 

Terry Waechter
Nursing Foal
Username: Watchman

Post Number: 20
Registered: 01-2007
Posted on Monday, October 15, 2007 - 11:45 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

lisa a good explanation of the genetic influence on color is at
http://www.equiandalusian.com/inicio.cfm.

this whole site is great for P.R.E. breeders and gives a great deal of info about the breed type etc. ENJOY
 

Lisa R.
Breeding Stock
Username: Lisa98

Post Number: 165
Registered: 02-2007
Posted on Tuesday, October 16, 2007 - 09:54 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Terry-I wanted to check out that link; but I can't get it to work :-(
 

Terry Waechter
Weanling
Username: Watchman

Post Number: 21
Registered: 01-2007
Posted on Wednesday, October 17, 2007 - 02:28 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

LISA TRY GOOGLE EL PURA RAZA ESPANOLA

IT SHOULD COME UP....fascinating site. Terry
 

Lisa R.
Breeding Stock
Username: Lisa98

Post Number: 166
Registered: 02-2007
Posted on Wednesday, October 17, 2007 - 12:34 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Ok, I got it to work....I've been there before too. Thanks-I've got it marked in my fav's now.
 

Beth
Neonate
Username: Beth13

Post Number: 7
Registered: 09-2007
Posted on Tuesday, October 23, 2007 - 12:44 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I have read that two greys can produce any colour recognised within their breed. If you want to have some fun predicting the foals colour though, you'd use the colour the parents were born as normal (ok, maybe with the help of the Colour Calculator!)No matter how many greys are in a horse's pedigree, one parent MUST be grey for a foal to inherit the grey gene. Grey doesn't skip generations and you can't get a grey throwback.



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