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The sway back and partial posterior paralysis of this sheep is caused by low dietary Cu and/or excess Mo.  A similar condition can be seen in other species, such as goats, pigs, and rats.  Failure in myelination and degeneration of nerve cells in the brain and spinal cord are the basis for this disorder.

Enzootic ataxia in sheep from low Cu or excess Mo

Credit: W. J. Hartley

Digital Credit: Melissa Foster

Publisher: University of Sydney

Rights: No rights reserved - image is in the public domain

Description: The sway back and partial posterior paralysis of this sheep is caused by low dietary Cu and/or excess Mo. A similar condition can be seen in other species, such as goats, pigs, and rats. Failure in myelination and degeneration of nerve cells in the brain and spinal cord are the basis for this disorder.

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