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Originally Posted by gemy  I am going to give a lay persons explanation. Always of course understanding that a 100percent breed DNA identification is not done yet.
I will start with my breed brt,s. less than 50years ago this breed got recognized as a new and distinct breed. The development of the bred spanned almost 20 years and included some 20 odd breeds.
As fanciers And judges we did not go on DNA analysis, but on form,function,behaviour,and to a certain extent color.
One keystone prior to recognition is the repeated breeding s for types over many generations.
These dogs breed true to themselves
From the rottie the giant schnauzer the Newfoundland and the Airedale terrier the four main contributors came our breed. The brt.
They bred true to their
Type
You can see glimmers of their ancestors in the blackies we have today.
The old breeders had a vision of what they wanted,which spanned a huge field encompassing size appearance temperament structure and function.
And they patiently bred for that.
And let me remind you all without the benefit of the science we have today!
So to my mind is the biewer significantly different in all those qualities I mentioned?
Then the incoming is this single gene analysis. Does a single gene make or break a breed?
Food for thought |
Great explanation! I hope that Biewer breeders and owners can step in and answer the first question: Is the Biewer significantly different in those qualities of size, appearance, temperament, structure, and function? For size, I'll give an answer and say no, since they are roughly the same size as the Yorkshire Terrier, but there are many other distinct breeds that are also same size as the Yorkshire Terrier. How about the other traits mentioned?
The second question, does a single gene make or break a breed? The answer is no, but if breeders are seeing "off types" as defined by breed standards, they should do the utmost possible to remove them from their breeding stock. Otherwise the breed will morph and change to be something different. Would anyone else care to answer?