Key result
An outbreak of encephalomyelitis causing heavy mortalities in larval turbot was associated with a picornavirus-like agent found in the brain and medulla.
Observational
Suggests viral etiology for turbot encephalomyelitis outbreaks; leaves open need for isolation, confirmation, and control strategies.
An outbreak of encephalomyelitis among larval turbot ScophthaLmus maximus caused very heavy mortalities.Bacteriological findings were very unspecific, and parasites were not observed.By electron microscopy large numbers of virus particles were found in the brain and medulla of the diseased fish.Based on the size of the particles and their position in the cytoplasm of the infected cells it is suggested that the particles belong to the picomaviridae.The neurotropic character of the disease further suggests that the virus might be an enterovirus.
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Bloch et al. (1991) conducted an observational in Encephalomyelitis. Picornavirus-like agent was evaluated on Mortality and encephalomyelitis. An outbreak of encephalomyelitis causing heavy mortalities in larval turbot was associated with a picornavirus-like agent found in the brain and medulla.
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