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					Originally Posted by  MommytoMiles     What's the difference between parti and Biewer?   |  
 
  Their line...and yorkie politics. 
They are cousins per say, one was taken and manipulated the other loosely manipulated and continually bred back with traditional colored yorkies. 
That was the best and easy way it was explained to me. 
A biewer due to its line is not eligible to be registered AKC while a parti is AKC.