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Breeding two recessive coat types.......?

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Sun Jan 11 2009, 04:58PM

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well link i think listing males is more important due to people that already know they have a female carrying colour then looking for a quality stud that carries colour also.

I myself have a black female that carries colour and a blonde female and a grey male that carries colour

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Sun Jan 11 2009, 07:11PM

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Ok Phil where will the list of males be? Should include the tawnys out there.

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shellydawn

Sun Jan 11 2009, 07:52PM

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Don't they need to be a certain genotype in order to produce color?
How do you find out what genotype your dog has?

SHELLY
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YVEYANT

Sun Jan 11 2009, 08:22PM

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Black has 4 genotypes
Blue has 2 BBdd & Bbdd
Mahogany has 2 bbDD & bbDd
Both are recessive to black
Tawny is recessive to all 3, which is why it is so rare

Of 4 Black genotypes, only one is capable of producing a Tawny. The other 3 will not produce Tawny pups even when mated to a Tawny.
It is no more "Wrong" or "Risky" to mate a Tawny to a Tawny than it is to mate a Blue to a Blue or a Mahogany to a Mahogany. Again, they are both recessive to Black.
Out of the 2 genotypes for both the Blue and the Mahogany, there is a 25% chance you will get a Tawny pup, both when mated to a Tawny. Only a Tawny to a Tawny will produce all Tawny pups.
Pursuit & Demand will predict the future of this rare and elegant color.

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crazybob

Sun Jan 11 2009, 09:05PM

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I've only barely heard of anyone attempting to breed for color. With the rare few that come out in litter's of type then it would be a tough run to isolate color and retain the standard. Sounds like generations of really hard work and lotsa luck. The suprise occasion of Tawny and Mahogany puppy is really nice and I'm not so sure that a full blown line would be as widely accepted.

I'm with Gary and ccal, I love the Mahogany's too. I have two pup's one solid with a blaze and the other is full blown brindle and they gonna be some scary lookin dog's full grown.

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shellydawn

Sun Jan 11 2009, 09:27PM

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So how do you find out what genotype your dog has?

SHELLY
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Administrator

Sun Jan 11 2009, 09:32PM

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If you know what the dogs littermates were and its parents colours you can guess sometimes.
Otherwise its only known if you breed to a known dogs genotype and get or dont get colour.

ccal

Sun Jan 11 2009, 09:35PM

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crazybob, who are the parents of your litter?

Shoestring Acres

Sun Jan 11 2009, 09:39PM

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Shelly,

Figuring it out is often based upon knowing (or speculating about) the genotype of parents and grandparents. It's helpful if there's a tawny in there somewhere, as that's a single genotype and let's you narrow down some possibilities for their get. It also helps knowing what parents and grandparents have produced regarding color. For example, knowing a blk dog has produced color can tell you his genotype.

There's a decent chance that my Ermes is BbDb, but we'll just have to wait and see.

Dan

Dan

Daniel Renfrow PhD
Shoestring Acres Mastini
Aurora, NY
USA

shellydawn

Sun Jan 11 2009, 09:47PM

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Maia, Tes and Dora definitely have color in their backgrounds, and I am told that Romeo and Bella do also. So is it possible that they can throw color even though the colored dogs are 2 or 3 generations back?

Maia's mother is blue and was bred to a black for her last breeding and threw all colors. Can anyone tell me what Maia's chances would be to do the same?

[ Edited Sun Jan 11 2009, 09:51PM ]

SHELLY
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