Just got the results - The Horse Forum

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post #1 of 18 Old 02-22-2012, 08:21 PM Thread Starter
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Just got the results

I am still waiting on the roan zygosity test but I got the red factor and agouti results. Here is the results. I am really clueless when it come to color genetics and was wondering what this means. I am planning on breeding her and here is the stallys genetics EeA & aDd

Red-Factor Result:
E/e - Both black and red factors detected. Either E or e transmitted to offspring. Basic color is black, bay or brown in the absence of other modifying genes.

Agouti Result:
A/a - Only recessive allele detected. Black pigment distributed uniformly. Basic color is black in the absence of other modifying genes.

Thanks for any info.
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post #2 of 18 Old 02-22-2012, 08:26 PM Thread Starter
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Here are a couple pictures

My mare
12 28 2009 043.jpg

The Stally

gonendunit.jpg
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post #3 of 18 Old 02-22-2012, 08:27 PM
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It means your horse is heterozygous for extension, which results in a black base colour (black, bay, brown). So basically not a colour that has a red base, such as chestnut.

The second part means that your horse has no copy of the agouti gene present, so has no black restriction. This means it is a black based horse that is not bay or brown. So without any other genes tested for, I am going to assume that your horse is a black horse that can pass on a red gene.
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post #4 of 18 Old 02-22-2012, 08:28 PM
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I hope you typed that wrong because if she is Aa she is bay not black and that doesn't jive with the info they gave you.
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post #5 of 18 Old 02-22-2012, 08:36 PM
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So this is what we know: (I think the stallion's agouti status may be wrong, he doesn't look brown dun to me, and definitely isn't bay dun. But I ran with the info given. If I am correct, and he doesn't have any agouti gene, then there is no chance the foal could be bay or brown.)

EeAaDdrr

X

EeaaddRr (for the sake of full possibility, I have assumed that your mare is hetero for roan, see below for more).



The possible extension for the foal:

25% EE - black

50% Ee - black

25% ee - red

Possible agouti: Please note that agouti only acts on a black base coat, so a red horse won't change depending on agouti status.

25% Aa - bay or brown

75% aa - black

Dun:

25% Dd - dun

75% dd - not dun

Roan:

25% Rr - Roan

75% rr - not Roan
If your mare turns out to be homozygous, these roan chances would change to 100% Rr - Roan.



Possible colours from this cross:

Black
Bay
Brown
Chestnut
Black roan
Bay roan
Brown roan
Chestnut roan
Black dun
Bay dun
Brown dun
Chestnut dun
Black dun roan
Bay dun roan
Brown dun roan
Chestnut dun roan

Mods, grant me the serenity to see the opinions I cannot change, courage to change the ones that should change, and the wisdom to spot the trolls.

Last edited by Chiilaa; 02-22-2012 at 08:38 PM.
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post #6 of 18 Old 02-22-2012, 08:36 PM Thread Starter
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this is copy and pasted from the results they sent me

Red-Factor Result:
E/e - Both black and red factors detected. Either E or e transmitted to offspring. Basic color is black, bay or brown in the absence of other modifying genes.

Agouti Result:
A/a - Only recessive allele detected. Black pigment distributed uniformly. Basic color is black in the absence of other modifying genes.

And I want to breed her to the stally below her picture and this is what the stallys owner told me about his genetic EeA AND aDd she also told me that he is hetrozygous for dun and black and that he carries a seal gene
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post #7 of 18 Old 02-22-2012, 08:39 PM
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Quote:
Originally Posted by crazy4equines View Post
I am still waiting on the roan zygosity test but I got the red factor and agouti results. Here is the results. I am really clueless when it come to color genetics and was wondering what this means. I am planning on breeding her and here is the stallys genetics EeA & aDd

Red-Factor Result:
E/e - Both black and red factors detected. Either E or e transmitted to offspring. Basic color is black, bay or brown in the absence of other modifying genes.

Agouti Result:
A/a - Only recessive allele detected. Black pigment distributed uniformly. Basic color is black in the absence of other modifying genes.

Thanks for any info.
I don't know, sounds like you know what you're talking about to me!
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post #8 of 18 Old 02-22-2012, 08:43 PM
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Quote:
Originally Posted by crazy4equines View Post
...
Agouti Result:
A/a - Only recessive allele detected. Black pigment distributed uniformly. Basic color is black in the absence of other modifying genes.

...
where did you have this test done?

Anywhere that I have ever seen it done if they are telling you the results they would have it as a/a. A/a means that the horse has one copy of an agouti gene...
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post #9 of 18 Old 02-22-2012, 08:44 PM Thread Starter
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Originally Posted by NdAppy View Post
where did you have this test done?

Anywhere that I have ever seen it done if they are telling you the results they would have it as a/a. A/a means that the horse has one copy of an agouti gene...
Had the test done at the uc davis
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post #10 of 18 Old 02-22-2012, 08:46 PM Thread Starter
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just reread the email and the agouti is a/a don't know why when I copy and pasted it that it changes to a big A sorry for the confusion.
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