I agree, elf. There are (IMO) more improtant factors that need to be looked at like hips and elbows. Relatively speaking, DM is rather eacy to breed it out, any breeder can eliminate the disease on one generation (breed an a/a to a N/N - all puppies will be carriers) and eliminate the genes themselves (affected and carriers) in two generations.
Plus, it doesn't look like as high as a percentage of affected vlcaks contract the symptoms as in other breeds like Germans shepherds and they've noticed dogs who were on a diet where "fats" were listed early in the ingredients list had a much higher chance of developing symptoms.
The gene pool is too small, especially here in the USA, to eliminte any dog solely on their DM test results (but it is still extremely important to keep track of it!).
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