Health Information Updated on 17 March 2021 Multidrug Resistance Mutation (MDR1) – In a dog that tests positive, this gene causes a sensitivity to some specific drugs but it is recommended to inform your vets even of carriers or potential carriers (if they have not been tested) as some information suggests that large doses or regular doses over long periods can potentially harm carriers.https://vcahospitals.com/know-your-pet/multidrug-resistance-mutation-mdr1 MDR1 printable info with list of drugs to avoidDownload Degenerative Myelopathy – According to the current understanding of DM, only dogs with two copies of the mutated SOD-1 gene can develop DM. However, there are reports of dogs with two copies of the gene that have not developed DM to date. DW is a disease affecting the spinal cord, resulting in slowly progressive hind limb weakness and paralysis.cidd.discoveryspace.ca/disorder/degenerative-myelopathy.html Progressive Retinal Atrophy – it is a autosomal recessive pattern. That means dogs with only one copy of the gene for PRA won’t have PRA itself; they will carry the gene and can potentially pass it down to the next generation. PRA is a gradual progressive degeneration of the photoreceptor cells in the retina, causing gradual vision loss.Progressive Retinal Atrophy (PRA) in Dogs: What to Know (akc.org) Orthopedic Foundation for Animals – information Hip, Elbow, Eyes health in dogshttps://www.ofa.org/recommended-tests?breed=MAS&var=AUS Paw Print Genetics – A reliable source for getting any coat, olour or genetic test done for you doghttps://www.pawprintgenetics.com/ American Stock Dog Registry – To submit and recieve your dog pedigree and pure bred certificateshttps://www.americanstockdog.org/