 It's very complicated...
All Yorkies are carriers based on the polygenic nature of the liver shunt problem. You have to study your pedigrees to know which combination of bloodlines are least likely to produce shunt puppies. Science may one day give us a shortcut, but until then there is no substitute for knowing what is in your bloodlines. Indiscriminate breeding is what got us into this whole shunt mess. You randomly put two dogs together and count on blood tests to tell you if you have a health problem. Give me a break... |