Question on colors

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Deb118 said:
She is definitely a Tri. And he is definitely the sir. No question there. Do I have reason to be concerned about the whites?
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Double merle pups are almost always born deaf and can be blind as well and often have other health issues. I'd have them vet checked ASAP to have them checked.

If the white pups do turn out to be double merles I would not breed your two dogs together again.
 
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Narmowen said:
The chocolate puppy is a sable and white puppy. Tri factored. The others seem to be sable merle and blue merle (all double merles, or a variation of a color headed white).

Somethings not adding up. With her and him, all you should have gotten were blue merles, bi blues or tri-colors. If she were a crytic merle, you could have gotten the double merles. She's definitely a tri-color (to me, she could still be a cryptic merle, but that wouldn't explain the sable and white.) If they're color headed white (or parti color, which is still due to the white factored gene), that would come from both parents carrying it. But that wouldn't explain why they are sable and whites. Unless she's an extremely dark tri-factored sable...which it doesn't appear to me...

I'm guessing that he's not the sire of this litter.
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Uh Oh! Part Sheltie, part Mailman??? :eek2:
 
wow what unusual colors! I would of expected them colors to come from a sable merle bred to blue, not a tri bred to a blue :confused2:
 
I was a little baffled when I looked at the pictures too. I think I'm in the same boat with Narmowen - is he really the dad? I know you are sure that he is but wow, it just doesn't look like it! Let us know what you find out when you take them to the vet's office.
 
Sorry I didn't see this post sooner, I was out all last night at a therapy dog visit.

I'm with the others here. The "chocolates" are most likely sable, in which case the sire is not really the sire. The white dogs appear to be double merle, not color-headed whites, which would also mean that the dam is cryptic merle. Could have just been luck of the draw that last litter there were no double merles.

I would be running some genetic tests ASAP. 1) A parentage test to see if he really is the sire or not and 2) a test for merle to see if those pups are double merles.

Testing for merle is offered through GenMark
http://www.genmarkag.com/canine_faqs.php

Parentage testing is offered through HealthGene or VetGen
http://healthgene.com/canine/C101.asp
http://vetgen.com/canine-profiling-parentage.html
 
BlueBandit said:
i think i would rather understand algebra than try to understand genetics of breeding:uhoh:
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Yeah, I know what you mean. I have little interest in genetics but I do have interest in shelties and coloring. The site I posted is great because its explains how you get the different colors when breeding and to the point and doesn't get too detailed or confusing for someone simple like me. :smile2:
 
I'm far from an expert on canine reproduction, but I have read that a litter can have more than one sire if she had encountered more than one dog when she was in heat.

Is it possible she was around other intact dogs when she was in heat, either before or after she bred with Chopper? Did she ever get out around that time?

Thats about the only other explanation I can come up with for a bi blue and black tri to produce a sable pup :confused2:
 
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