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Blue eye?

This is a discussion on Blue eye? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category
  • Can non blue eyed horses produce a blue eyed foal?
  • Areblue eyes recessive in horses

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    02-04-2011, 01:34 PM
  #11
Foal
I don't know for sure, but are blue eyes in horses similar to people as far as it being a recessive gene, so both horses would have to have a blue eye recessive gene inorder for a foal to have a chance of having a blue eye?
     
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    02-04-2011, 01:47 PM
  #12
Foal
It seems that way to me also.I thought there may be someone on here with a blue eyed stud that cauld give me some info based on their past experience.I like getting everyones views and experiences because I want all the info I can get before making any decisions.
     
    02-04-2011, 03:18 PM
  #13
Trained
For both the following quotes -

Horse eye color is nothing like human eye color in regards to blue/brown being recessive/dominant. It is affected the the color pattern genes that the horse carries.

There is no way to guarantee that a horses will or wont pass on blue eyes(s). Like I stated before, as when breeding for anything breeding related it is a crap shoot. There is no way to predict what foals, if any, out of either colt will or wont have blue eyes.

The only want to guarantee you get a color/pattern/eye color you want to to buy a horse with that color/pattern/eye color.

Quote:
Originally Posted by HorsesMakeLifeBetter    
I don't know for sure, but are blue eyes in horses similar to people as far as it being a recessive gene, so both horses would have to have a blue eye recessive gene inorder for a foal to have a chance of having a blue eye?
Quote:
Originally Posted by down2earth1928    
It seems that way to me also.I thought there may be someone on here with a blue eyed stud that cauld give me some info based on their past experience.I like getting everyones views and experiences because I want all the info I can get before making any decisions.
     
    02-04-2011, 04:32 PM
  #14
Green Broke
The absolute only way to help increase your chances of blue eyes is by breeding stock known to have the splash pattern. As of this point, they are unsure if frame definitively causes blue eyes as you cannot test for splash yet and so although a horse may test positive for frame, they may also be hiding splash.

Ensure you are testing ANY colored breeding stock for frame - even solids descended from pinto coloring. Frame can pop up anywhere, and you may never see it so always test horses you CAN have frame even if they're solid. For example, frame does not come in Arabs so I would not have to test my Arab for it. However, my Paint filly would have to be tested because although she's almost positively splash and tobiano with no apparent frame in her bloodlines, I would never take the chance unless breeding her to a stud I KNEW didn't have frame.

My filly has a partial blue eye and neither of her parents had blue eyes. Her half sister has two crystal blue eyes and neither parent had blue eyes. Blue eyes are a TOTAL crapshoot - they are caused almost exclusively by the splash gene, so breeding splash patterns together is the only way to increase your chance but with absolutely no definitive results. We've all seen two of the loudest splashiest horses we know produce a totally solid baby, so it's impossible to determine.

At the end of the day, blue eyes are fun but should be the LAST thing on your mind. It's fine if both colts are stud quality, but I have seen SO many people make excuses for their stock JUST because of "pretty blue eyes" so make sure you're truly looking at them because if both colts have the splash gene, the non blue eyed colt could be JUST as likely, or even MORE likely to sire blue eyes as the blue eyed colt. Having blue eyes themselves means absolutely nothing.
     
    02-04-2011, 05:00 PM
  #15
Foal
Thanks alot for that info.I am thankful for all I get.
     
    02-04-2011, 06:06 PM
  #16
Weanling
I had an Appaloosa mare with 2 partial blue eyes (most likely from the splash gene) and she would occasionally pass the blue eyes or partial blue eyes to her offspring.


She was never bred to a stallion who (to our knowledge) had splash.

Splash can occur in either stallions or mares or both-- it is not a sex linked trait. So a stallion with blue eyes due to splash could pass them on regardless of the mare having splash or not. If both parents have splash, the incidence of the foal having splash and blue eyes would increase. Other than figuring simple Punnet square type inheritance, There is really no telling how often the blue eyes will occur-- even if the other parent did not have the splash gene, they might have modifier genes which could either enhance or supress the expression of splash/blue eyes.

None of these genes are testable.
     
    02-04-2011, 07:37 PM
  #17
Trained
Add into the mix that not all horses with splash even have blue eyes, and you just have to laugh at how complicated it all gets lol.
     
    02-04-2011, 08:01 PM
  #18
Yearling
It's really common with sabinos, at least.
     
    02-04-2011, 08:18 PM
  #19
Yearling
Sabino (or, at least, Sb1, which is the only Sabino gene that we have tests for, & is what most people are referring to when they say a horse is Sabino) does not cause blue eyes.
     
    02-04-2011, 09:26 PM
  #20
Foal
I agree with how complicated it is.lol
     

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