This condition has been found in many breeds including the numerically popular Cavalier.

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No responsible breeder would knowingly breed from visibly affected stock.  As breeders have become more aware of these conditions breeding dogs that are symptomatic have been removed from the breeding programme.

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The mode of inheritance is complex and at this current stage there can still be no guarantees given that any progeny will or will not inherit CM/SM whether the parents are MRI scanned clear or not.

Research will be ongoing and world-wide.

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The CM/SM scheme run by the BVA and the KC, uses MRI scanning to score the dogs and gives breeding recommendations based on this.

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 For more information see the below link to the CM/SM page on the Kennel clubs website.

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https://www.thekennelclub.org.uk/health-and-dog-care/health/getting-started-with-health-testing-and-screening/cmsm-screening-scheme/

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