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 Question about Eligiblility

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ShannonHM



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PostSubject: Question about Eligiblility   Tue Aug 28, 2012 10:59 pm

So I'm still trying to get caught up and get everyone named and registered and when I went to look at this boy closer he looks like he might be splashed white Sad which would make him not eligible for registry. Am I seeing things?

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WPMCowgirl (Founder)
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PostSubject: Re: Question about Eligiblility   Tue Aug 28, 2012 11:03 pm

Splashed white would have to have been inherited. Do any relatives, specifically the parents, have splash?
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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Aug 28, 2012 11:33 pm

Well Winnie does have a tiny little white spot Sad
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PostSubject: Re: Question about Eligiblility   Tue Aug 28, 2012 11:48 pm

ShannonHM wrote:
Well Winnie does have a tiny little white spot Sad

What else could that be from? Do her parents have splash? Think about the characteristics of splash versus other overo patterns. Is a "spot" a splash characteristic?

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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Aug 28, 2012 11:53 pm

Winnie's mom is overo so guess she passed it on to Winnie and now its she's passing it on. I'm going to have to overhaul my entire herd affraid
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PostSubject: Re: Question about Eligiblility   Tue Aug 28, 2012 11:57 pm

WPMCowgirl (Founder) wrote:
ShannonHM wrote:
Well Winnie does have a tiny little white spot Sad

Think about the characteristics of splash versus other overo patterns. Is a "spot" a splash characteristic?


I wouldn't do that just yet.

Also why don't you look over the colt's testable genetics. Does he have any patterns shown there?
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ShannonHM



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PostSubject: Re: Question about Eligiblility   Mon Sep 03, 2012 1:44 pm

Just getting back to this colt who I must say is shaping up nicely, in his DNA he has Sabino 1: sa1+/sa1+ so I guess his white marks could be from Sabino.
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PostSubject: Re: Question about Eligiblility   Mon Sep 03, 2012 8:30 pm

ShannonHM wrote:
Just getting back to this colt who I must say is shaping up nicely, in his DNA he has Sabino 1: sa1+/sa1+ so I guess his white marks could be from Sabino.

I think you need to relook over his DNA and the DNA guide. Wink sa1/sa1 is not sabino.
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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 1:58 pm

Grey: G/G
Frame: Ov+/ov
Sabino 1: sa1+/sa1+
Tobiano Zygosity Marker: Homozygous
White 5: w+/w+
White 10: w+/w+
Genetic Disorder: Clear

He is G/G - Grey, dominant to non grey. Causes progressive loss of pigment in the hair shafts as the horse ages. Horses that are homozygous for this mutation will grey faster than horses that are heterozygous. Heterozygous horses have a higher incidence of being flea bitten grey.

The Ov Locus Alleles - He carries one dominate Allele for Overo
ov - Frame Overo, incomplete dominant. Ov+ - Not Frame.
sa1+/sa1+ - he is homozygous for the sabino allele therefore is not sabino
Homozygous for tobiano so therefore the white is not tobiano
White 5: not dominate
White 10: not dominate

So am I just seeing flea bitten grey that is greying out and not flea bitten in some spots? Or am I seeing a flea bitten grey tovero? His Mom's Dam is overo but his mom's Sire is splashed white No Where is the headbanging Icon??


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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 7:58 pm

ShannonHM wrote:
Grey: G/G
Frame: Ov+/ov
Sabino 1: sa1+/sa1+
Tobiano Zygosity Marker: Homozygous
White 5: w+/w+
White 10: w+/w+
Genetic Disorder: Clear

He is G/G - Grey, dominant to non grey. Causes progressive loss of pigment in the hair shafts as the horse ages. Horses that are homozygous for this mutation will grey faster than horses that are heterozygous. Heterozygous horses have a higher incidence of being flea bitten grey.

The Ov Locus Alleles - He carries one dominate Allele for Overo
ov - Frame Overo, incomplete dominant. Ov+ - Not Frame.
sa1+/sa1+ - he is homozygous for the sabino allele therefore is not
Homozygous for tobiano so therefore the white is not tobiano

White 5: not dominate
White 10: not dominate

So am I just seeing flea bitten grey that is greying out and not flea bitten in some spots? Or am I seeing a flea bitten grey tovero? His Mom's Dam is overo but his mom's Sire is splashed white No Where is the headbanging Icon??



You've got the answer right there! Smile


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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 9:03 pm

Yikes! So going out on a limb is he Flea Bitten Grey Overo?
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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 9:08 pm

Correct! Though, there is a more specific name for that pattern of overo. Smile
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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 10:05 pm

Its frame isn't it?
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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 10:17 pm

cheers bingo

Which, unfortunately, is unregisterable. Crying or Very sad
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ShannonHM



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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 11:04 pm

Sad I know, very disappointing, he is shaping up nicely.

But thanks for all the help Smile The genetic's drive me crazy.
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PostSubject: Re: Question about Eligiblility   Tue Sep 04, 2012 11:15 pm

Not a problem! Smile
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