A recent research commentary paper, DEGENERATIVE MYELOPATHY-DIAGNOSIS AND INHERITANCE - Dr. Jerold Bell, from a lecture presented at the World Small Animal Veterinary Association 2021 Virtual World Congress 13 Nov. 2021 has summarized and clarified information on the clinical diagnosis and use of genetic testing for degenerative myelopathy (DM). Please see linked references below for more details.
Due to this new information, we have taken the decision to update the breed relevance ratings