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Originally Posted by pstinard  Regrettably, Dr. Meryl Littman has retired and finished up her research on genetic tests for PLN in dogs. She spent many years on research with Soft Coated Wheaten Terriers, tracking medical records and genetic markers, but is not planning on continuing her research with other breeds. There *may* be a genetic component to PLN in Yorkshire Terriers, but it's probably not identical to the Wheatens, so the test is not a one-size-fits-all kind of test  . The University of Pennsylvania will perform the test on other breeds such as Yorkshire Terriers, but it's not diagnostic for Yorkies, and it costs $125 (if I recall correctly), so I can't recommend it. Its primary use is to test Soft Coated Wheaten Terrier breeding stock to make sure that carriers of the mutant genes are not used in breeding programs. |
Thanks Phil. Sadly, things like this are not done until things are out of control. The link you posted referred to hundreds of Wheatens ... so, I am assuming it was a huge problem with them.