Color Genes for GSD's

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by amysavesjacks on 25 March 2013 - 13:03

I just had a litter yesterday of 10 beautiful puppies. Mom is a saddleback sable, dad is a sable (as pictured in my avatar). On my last litter with this same breeding, I got all sables... and that is what I expected.

On this litter, however, I got some very unexpected coloring. I have one solid black female. Two sables, one brown, one red, and one black sable (because I can just barely see his dorsal stripe). And the rest are pitch black on their bodies with coloring on their cheeks and feet and under tails only.

I do have photos if you want me to post. Mom has black on her sires side, but it is 5 generations back.. .and same thing with dad.

Why is this litter so differerent from the last?

by gagsd4 on 25 March 2013 - 13:03

Well, both dogs must carry black if you have a solid black. Both parents are sable you said. So your options are sable, and black.

by amysavesjacks on 25 March 2013 - 13:03

But the dogs are 5 generations back... would that gene still be prominent? (I hear what your saying.. its there so it must be)... but why did the last litter only produce sable.... and then this one be so different.

by gagsd4 on 25 March 2013 - 13:03

If both parents are indeed sable, and you do indeed have a solid black.... that is the only two colors you can get in this breeding.

Each dog has black (and yes it can hang out for generations) and so will give a sable or a black gene. If either gives a sable gene, doesn't matter what the other gives.... pup will be sable.

If the last breeding only produced sables, that is just luck of the draw. Like throwing a dice four times and it lands on the same number each time. Statistically, each time thrown you have the possibility to land on any number.

by BlackthornGSD on 25 March 2013 - 14:03

And the rest are pitch black on their bodies with coloring on their cheeks and feet and under tails only.

That describes a bicolor or blanket-back puppy. You can get that from two sable parents if one parent has the black-tan gene and the other one has the black gene.

Do you have one that is solid black too? Because that, theoretically, isn't possible.

Christine

by amysavesjacks on 25 March 2013 - 14:03

Yes.. I have one that is solid black.. I mean.. as near as I can tell right now... I dont see a marking on it or any sabling... You mean we did the impossible? lol

by gagsd4 on 25 March 2013 - 14:03

If those are the colors, you really have a case of "Who's Your Daddy" unfortunately.
(maybe the "black" one is actually a bicolor.)

by amysavesjacks on 25 March 2013 - 14:03

There is 100% zero possibility there is another sire... maybe I'll just have to recheck these colors in a few days... but for now .. that's what it looks like.

by BlackthornGSD on 25 March 2013 - 15:03

Possibly the solid black is a really really dark sable? I had one that I thought was black until 24 hours old.

Christine

by BlackthornGSD on 25 March 2013 - 15:03

Personally, I would be so curious, I'd do some DNA testing--you can test both parents to see if they carry recessive black, for example. And you could test the pup to see if she is recessive black.

Christine

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Color Genes for GSD's - Page 1

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