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Originally Posted by Pipersmommy I think a yorkie was a mix at one time. I found this interesting. |
that's where designer dog breeders and mixed dog breeders are misleading you.
Yes many of our purebreds of today were derived from breeders or more acurately, a group of fanciers for that certain type bred certain breeds of dogs to create the breed along with the traits that they were looking for. As a quick example the sporting dogs have their breeds of pointers, retrievers etc, herding dogs have their breeds for herding purposes etc.
The Yorkie was and still is in every way a terrier but through selecting breeding stock many of those traits have changed including size, they are smaller than those first created in the late 1800's, early 1900's.
So, what is the difference and why is not a Yorkie poo for example not accepted as a new breed? Because the work hasn't gone into it as a breed within itself and it has not been standardized.
For Yorkies to be the breed we have today and indeed for them to be recognized as a purebred took many many generations of breeding what they created as the Yorkshire Terrier, including keeping breeding records and producing a breed, in this case a Yorkshire Terrier, that will breed true and not end up looking like something else as is the case of crossbreds that are just crosses of two dogs of either purebred or mixed breed status.
They Yorkie poo you see can look like anything from a Yorkie to a poodle and everything in between including size and colour variations that can be anywhere from 4 lbs to 20lbs and can look like a Yorkie in colour or any of the poodle colours and derivations. You breed a yorkie poo to a yorkie poo and you won't be assured of getting anything that will look like either parent.
Yes within any purebred you can get some size differences as undersized or oversized, colour not quite right that may have thrown back to its origination or is the result of a genetic recessive gene and other reasons.
Or course, what you also get in a Yorkie pup will reflect somewhat back to its pedigree and parents as to how good the quality of the Yorkies that contributed their traits and genes to that pup. You breed poor quality Yorkies and guess what you aren't going to get a show dog and indeed it could even look like a small breed mix although certainly is a purebred.