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Originally Posted by QuickSilver  I'm honestly asking: if this is the case, why are there so many large yorkies at this point, some even exceeding 20 pounds? Generally speaking, small dogs produce small dogs. I know that's not a law, but it seems like if people were consistently breeding 7 lbs and under for 100 years, getting three times that simply wouldn't happen nowadays. |
Already answered but I will just echo --- too many people are breeding any two dogs irregardless of standards. On any given day, you will find posts right here on YT where people are breeding dogs that are out of standard. Over 7 pound dogs are bred all the time -- probably even more often than the tiny ones. It is a small window of female yorkies that should be bred -- 5-7 pounds.
Then there is also the case I mentioned where people are registering their cross-bred dogs with poor registeries and then breeding them. Suddenly a litter of pups all come out over size -- why? 2 or 3 generations back, someone bred a yorkie with a standard poodle, a cocker spaniel, or another dog that runs larger. Then when one of the puppies looked all yorkie, a new owner decides to send in a pic and get their dog some pure-bred papers. This pup may look all yorkie and may even be under 7 pounds, but suddenly a litter of pups from this pup wind up being throw-backs and are really large and/or look like the other breed.
There are going to be some well-bred yorkies weigh in over standard -- just as some people are larger than their family line. But, when you talk about these really large 20+ pound Yorkies -- there is poor breeding going on and maybe some other breed in the history.