1. Limb paralysis due to infection with maedi-visna virus (MVV).
Limb paralysis due to infection with maedi-visna virus (MVV). Early in the disease course animals often show unilateral hindlimb paresis (a). The disease then progresses to ataxia, hindlimb paralysis (b), recumbency and death. Animals affected with visna are usually a small subsection of those infected with MVV in a flock (Picture b: Valentín Pérez and Julio Benavides)‏
James Patrick Crilly et al. In Practice 2015;37:
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