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Originally Posted by pstinard  It is not out of the realm of possibility that PLN in Yorkshire Terriers could have a genetic component. The University of Pennsylvania has developed a PLN DNA test for Soft Coated Wheaten Terriers and Airedale Terriers. See: SCWTCA - Genetic Testing for PLN-Associated Variant Genes
This test is currently available only for those two breeds, but I'll ask the primary researcher on the project if they have studied other terriers such as Yorkies and let you know what I find out... |
I heard back from Dr. Meryl Littman of the University of Pennsylvania. No association between the mutant genes detected in Wheaten Terriers and Yorkies with PLN so far, so the DNA test does not appear to be applicable to Yorkies. I'm still in conversation with her, so I'll give another update later.