While their numbers are lower in terms of population some breeds have better than average rates of than some more numerous breeds. (dogplay.com)
Some test results will display numerous breed results, while others may show the presence of more breeds, but at levels too small to identify using present scientific methods. (fox19.com)
It is recognised in numerous breeds although large breeds seem to be most affected — particularly Labrador Retrievers, Newfoundlands, Golden Retrievers, Boxers, Rottweilers and German Shepherd Dogs. (theveterinaryexpert.com)