Oculoskeletal Dysplasia 2


This is a developmental disease that causes dwarfism, lameness, and partial to complete vision loss.

  • Signs and symptoms

    Signs can include dramatic short-limbed dwarfism, lameness, and partial to complete vision loss. Affected dogs tend to have early onset arthritis.

    Signs are first recognized in puppies.

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  • Diagnosis

    Genetic testing and clinical signs can be used to diagnose this condition.

  • Treatment

    Currently, there is no treatment for this condition. Medications may be prescribed to help with pain.

  • What to do if your dog is at risk


    • Give your dog medications as prescribed to help with pain and inflammation.
    • Keep dogs with vision loss on a leash in unfamiliar areas and teach them verbal commands.

  • Genetic Information

    This mutation was first described in the Samoyed.

    This mutation has an autosomal recessive inheritance, meaning that dogs must have two copies of the mutation in order to show clinical signs.

    Gene names:

    COL9A2 (5' UTR) ‐ chr

    Inheritance type:


  • Breeds affected

    This health condition affects the following breeds

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