There is now a DNA test for Degenerative Myelopathy (DM) used to be known as CDRM. We are testing all our dogs and results will be posted on the individual dogs details as and when they are tested. There seems to be much confusion over the results of the tests hence I had lengthy discussions with a geneticist to make certain we were only breeding with dogs who would not produce it. Possible results are as follows: N/N Clear - The dog does not carry the mutant gene for Degenerative Myelopathy. N/DM Carrier - The dog carries one copy of the mutant gene associated with Degenerative Myelopathy DM/DM At Risk - The dog is likely to be affected by Degenerative Myelopathy and will pass the mutant gene onto their offspring. For breeding the advise is as follows: Any dogs carrying the double gene DM/DM - At Risk should not be used for breeding, as it can pass on the double mutant gene to its offspring. A dog that is a N/DM - Carrier can be used for breeding as long as their breeding partner is N/N - Clear as they can only produce N/N- Clear or N/DM - Carrier they can NOT produce DM/DM - At Risk dogs. It must also be noted that a dog DM/DM - At Risk may never go onto suffer with the disease but they are more likely too. Also if clear they can still suffer from Hip Dysplasia or arthritis these are both totally different conditions.