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Not frame overo? Srsly?

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  • Overo splash horses look ugly

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    11-06-2013, 12:06 AM
  #11
Green Broke
She said the mare tested N/N and her granddam tested N/L. Those are not the "letters" they use to describe frame. Is she confusing a different test or does UC Davis set them out differently?
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    11-06-2013, 12:17 AM
  #12
Trained
As far as I know, UC Davis does not have an "L" test. Are these the same folks you've posted about (I believe it was you) that were totally fine with breeding frame to frame?

I see it two different ways: 1) On the really off chance they do have some mutation, they should really get around to contacting UC Davis about it for further testing or 2) They can keep denying it and breeding frame to frame until they get a lethal white foal.
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    11-06-2013, 12:26 AM
  #13
Green Broke
Nope, different person who seems super genuine and honest and not afraid to test for whatever may need to be. Apparently UC Davis saw the photo, tested the mare a second time for free, and still came back negative. And told her they've had frame overo's test negative before.

I really wish I could see those tests!
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    11-06-2013, 12:37 AM
  #14
Trained


This mare tested n/n for LWO and I had been told that she was LWO and had actually lost a foal to LWO. So, if she in fact lost a foal, I have no idea what it was to. She does carry Splash 1, and I didn't bother to test for Sabino, since that is still pretty limited. What you can't see in her pics is the belly spots she has. She has a couple of fairly large ones and then several smaller ones. None come up on her sides. She also has 2 blue eyes. Her foal is by an LWO stallion, so I was pretty worried all during her pregnancy.

     
    11-06-2013, 01:08 AM
  #15
Green Broke
I feel like she is pretty blatantly splash though and both splash and sabino can explain certain belly marks. I just can't wrap my head around the bay mare - the black colt MAYBE could be blamed on something else, and even that's a stretch, but that mare is as frame as frame gets. Granted, if she tested negative, it makes sense if her foals did and she may actually be the beginning of some new weird frame like pattern?
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    11-06-2013, 01:09 AM
  #16
Trained
It wouldn't be terribly surprising to me if that mare was just splash. But if the LWO foal was true, that would throw it off. However, just throwing out different options, the foal could have been homozygous splash (which does cause solid white foals. Can't Hear Guns is an example) and died of some other condition.
     
    11-06-2013, 01:10 AM
  #17
Green Broke
Dreamcatcher - wasn't there recently some new information where they believe a rare form of splash we can't test for yet seems to also be lethal in homozygous form? I can't remember where or why I think I heard that. Maybe that explains your girl having an LWO foal? I know there's been rumors and whispers of non-frame parents producing LWO regardless?
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    11-06-2013, 01:12 AM
  #18
Trained
Quote:
Originally Posted by MacabreMikolaj    
I feel like she is pretty blatantly splash though and both splash and sabino can explain certain belly marks. I just can't wrap my head around the bay mare - the black colt MAYBE could be blamed on something else, and even that's a stretch, but that mare is as frame as frame gets. Granted, if she tested negative, it makes sense if her foals did and she may actually be the beginning of some new weird frame like pattern?
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But the thing that would be bad with that possibility would be is that mutation lethal too? If not and it was spread around, there would be a lot of confusion (as if there already isn't in the frame over/LWOS situation) between who is positive and negative and probably cause a lot of unnecessary lethal foals. If that makes sense..that was a serious run-on sentence.

And MM, I want to say it might be Splash3 that is lethal in homozygous form. Though take that with a grain of salt until I do some research or someone corrects me. I'm supposed to be studying so my brain is fried.
     
    11-06-2013, 01:23 AM
  #19
Green Broke
Splashed White Overo (SW-1, SW-2, SW-3)

This is what I was thinking about, Splash 2 and 3 possibly being lethal but result in non-viable embryos which I assume means no homozygous baby has even been born.

How horrible would it be if someone euthanized a white foal thinking it was LWO without verifying? Yikes.
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    11-06-2013, 01:30 AM
  #20
Trained
I said that to NdAppy one day when looking up pictures of Can't Hear Guns to post here. She's genetically a bay splash, but being a Gunner crossed with a different Spl1 line, she ended up completely white. If I were her breeder, I would have crapped my pants when she was born.

I saw another gelding for sale on a local facebook classified page that was solid white except for tiny spot apparently on his nose. Stupid APHA registered him as a Solid too. Headdesk.
     

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