Grey horses... Homozygous and Heterozygous trends? - Page 2
 
 

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Grey horses... Homozygous and Heterozygous trends?

This is a discussion on Grey horses... Homozygous and Heterozygous trends? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category
  • Heterozygous and homozygous face pictures
  • Grey tobiano horse

 
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    02-09-2011, 01:30 PM
  #11
Green Broke
Quote:
Originally Posted by twogeldings    
I haven't had a chance to observe homozygous/heterozygous grays to much. I can tell you from personal experience though.

BLACK Gray Mare (MFT I think) - Started to show noticeable lighting in the face and body by five. She got progressively lighter, but 'gray gray' didn't start showing up until about five years old.

BLACK Gray Colt - Son to the mare. Noticeable graying by two years, born true black.

BLACK AND WHITE TOBIANO Gray Colt - Son of the black colt, by a black Tobiano filly. Noticeable graying by one year old, he pretty much showed real graying after he shed his baby coat. Born black and white Tobiano.
September '10. He turns two in March I believe.




Unfortunately, no baby pictures :( I have a few pics of his dam, but none of his sire or granddam. I think his grandsire is Dusty, sire of my Loki and Redman. Not sure though, I'll have to check when I pick him up. He's been gelded, so theres no telling how fast his offspring would gray out
It's interesting to see that your colt has white hairs sprinkled on his face, but no noticeable white hair around his eyes. My colt is doing the same thing!

It kind of frustrates me though, because nearly everything you read on the internet says they get these white "goggles" around their eyes, like that is always the FIRST place to gray out, and look for, if they are a gray.

I have decided that my colt is in fact turning gray, even though he doesn't have goggles. He has lots of sprinkling on the bridge of his nose like your guy. And white hair sprinkled throughout his coat. But still no major noticeable white hair around his eyes.

So why does everyone insist they must have "goggles" when they don't all gray out in that fashion? Isn't that kind of misleading to someone who is trying to figure out if their colt is a gray?

I suppose there is a chance my colt could not be gray, but if he isn't, he's a funny looking roan.
     
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    02-09-2011, 04:15 PM
  #12
Yearling
Quote:
Originally Posted by trailhorserider    
It's interesting to see that your colt has white hairs sprinkled on his face, but no noticeable white hair around his eyes. My colt is doing the same thing!

It kind of frustrates me though, because nearly everything you read on the internet says they get these white "goggles" around their eyes, like that is always the FIRST place to gray out, and look for, if they are a gray.

I have decided that my colt is in fact turning gray, even though he doesn't have goggles. He has lots of sprinkling on the bridge of his nose like your guy. And white hair sprinkled throughout his coat. But still no major noticeable white hair around his eyes.

So why does everyone insist they must have "goggles" when they don't all gray out in that fashion? Isn't that kind of misleading to someone who is trying to figure out if their colt is a gray?

I suppose there is a chance my colt could not be gray, but if he isn't, he's a funny looking roan.
He NEVER had the goggles! Nor did his granddam or sire. When he was born, he looked like a perfectly normal little Tobiano. Once he shed out his foal coat the edges of his markings began to fade and recess. He has general graying in the black areas. It's so strange, a true 'fading black'!

His grand**** did start graying mostly in the face first, but it was more like a 'sprinkled' graying. I think she'll be one of those grays with the black manes and tails that turn white last.
I can't remember for the life of me if they still have her or not. I'll have to ask, they might even have his Great-Great Granddam. Do they have two gray mares? I thinkkkk so.....
/can't keep all these horses straight
     
    02-09-2011, 08:18 PM
  #13
Weanling
Every gray tends to gray a little differently faster or slower and not all get goggles but it is common but more for the faster freight ones in my experience
Posted via Mobile Device
     
    02-11-2011, 10:46 AM
  #14
Weanling
Here's an example of LP acting on grey-- this filly was born bay dun with LP characteristics (both parents colored Appaloosas), and is heterozygous grey (from her dam.) Here is the progression from birth to long weanling--

--------12 hours-----------------------------6 days------------------------28 days----------------------45 days---------


-----------------------------110 days-----------------------------------


-----------------------------9 months-------------------------------------------
     
    02-11-2011, 12:33 PM
  #15
Weanling
Wow she greyed out FAST!
     
    02-12-2011, 01:39 AM
  #16
Foal
Quote:
Originally Posted by wakiya    
Wow she greyed out FAST!
Wow that is incredible!
This is my own girl (I'm the OP sory for not posting this first)
3 year old Polish Arab, getting her "grey gene tested" within the next couple of weeks!

I'm guessing Hetero, but we will see!

Fiyaero:

     
    02-13-2011, 07:23 PM
  #17
Yearling
I would get my colt tested (he's a gelding now anyways) but my dad would give me a "You are so out of your frikkin mind" look
     

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