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Thank You very much for your advise. yes he and his siblings are cuties. :) |
How’s it going? Are you going to get the parents fixed? |
Not only should the dam and sire be spayed / neutered, all of their offspring could be carriers and should be spayed / neutered as well ... and not only from this litter but also previous litters. |
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There is dna test for D locus to determine which dogs are carriers of the "d" allele |
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We don't yet know the outcome of the genetic test on the little one. Then, I have couple of questions. 1. Breeding Pairs. I've read and re-read the article published by Animal Genetics, "D-Locus (Dilute Coat Color)." See the chart "Results" toward the end of the article; it describes three outcomes to the D-Locus test--D/D, D/d and d/d. If a D/D is paired with a D/d, is it true that the offspring can be either D/D or D/d (but not d/d)? If a D/D is paired with a d/d, will the offspring be either D/d or d/d (but not D/D)? 2. Pending return of D-Locus results, what if the three-week old pup's coat has changed from blue at birth to black and tan? Thank you for your input. |
Bit more on testing. For those who, like me, would like to see more testing done (in general), Animal Genetics will accept either "a dewclaw or blood" sample from very young pups. See "What is the best kind of sample to send for testing?" at "Frequently Asked Questions (Canine)." |
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If a D/d is paired with a D/d is it true that the ouffspring could be D/d, D/D or d/d? Have I missed any permutations? |
It's a simple punnett square https://en.m.wikipedia.org/wiki/Punnett_square DD + Dd a non carrier (DD) + a carrier of the recessive (Dd) 50% Dd 50% DD If both parents are carriers there is 25% chance of a non carrier puppy. If both parents have expressed the dilution gene, meaning they are both (dd), then all the resulting puppies will be (dd) as they (the parents) don't have the dominant D to pass it to their offspring. DD + dd All puppies will be carriers of the recessive (d) |
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Yes, I am referring to the pups and relatives of the parents. Both parents are definitely carriers of the ressecive d, so no test is needed. Also the blue born puppy is definitely dd. |
Thank you, Mike1975! |
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Update. Deb's little one, now a good-sized black and tan, is happy and healthy. She had the vet test for DNA, heart, kidneys. All good. No dd in the DNA. Deb and her whole family have fallen in love with the little guy. He couldn't be in a better place. |
Yay, so glad this puppy is a healthy one and not blue born, Sometimes medical tests are a good thing... |
Blue puppies With all the colors popping up, blonde, merle, ocean pearl, etc. in the yorkie universe, you can't assume that a puppy born "blue" has the "blue puppy" syndrome. Things aren't as they used to be; but DNA is a great resource. |
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Color I, personally, completely agree with you. I much prefer traditional colors, although I have bred some parti-colors, but have no chocolate, blonde, or other colors in my lines. I believe that there must be some mix to have achieved a 'merle' yorkie, as that color is only in dachshund and australian shepherds, that I know of. I would not breed "off colors" and believe the breed should be left alone and not played with to achieve these colors to the detriment of conformation and health. |
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OK, first of all, which pups were the parents? You posted 3 pics and I gotta tell you, contestant #1 is suspect..... I mean he/she looks yorkie-ish but i smell a cross. If that is the case than all of this blue-born stuff goes out of the window, that is only in play if the parents are 100% Yorkies.... not sure why no one pointed that out..... I mean I have seen some morkies and yorkie-poo's that look like straight up yorkies at this age but as they age, things change. The pup looks a bit chocolate/blonde to me. You need to have that first pup tested to see if he/she is 100% |
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If having the AKC registration umbrella means people can charge more for pups, a greedy, dishonest person will do what they need to do to get over. Browse the classifieds and see how many shady looking "akc" litters are floating around.... It could just be a case of unfortunate genes coming together or a bad photo but I would honestly recommend a parentage dna test to be sure on that one dog. |
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We would all love to think so when dropping thousands of dollars for a dog. The fact is any pair of dogs that is Akc registered with full breeding rights can have their litters registered and no one from AKC questions how many pups are claimed to be born, photo evidence, DNA, or validation from a vet or AKC rep, it's all honor code based. Please take a gander at the clearly posted requirements on the official website or ask a "reputable breeder" If you are gonna go thread to thread towing the line for the AKC then please be sure to know exactly what that label means and does not mean. |
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The CKC accepts AKC registration and pedigrees in order to get CKC registration. More and more yorkies have CKC registration now because they come from dogs that were only granted limited AKC registration from their breeders with or without spay / neuter contracts......So many CKC dogs actually have pedigrees and bloodlines technically just as good as many AKC dogs. |
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So sad to know this could be a sign of weakened immune system. He is absolutely beautiful. Keep this little one and shower them with love!! |
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