Three closely related, Siberian Husky dogs had chronic progressive paresis and ataxia with muscle atrophy in the hindlimbs. Radiologic and myelographic examination of the spine revealed no abnormalities. On histologic examination, disseminated degeneration of the white matter, particularly in the thoracic segments, was seen. The clinical and pathological findings were similar to those described in aging large dogs with so-called degenerative myelopathy. The cause of this disease is unknown but the fact that these 3 Huskies were closely related suggest that hereditary factors may play a role.
Bichsel et al. (Tue,) studied this question.
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