Seaborne bacteria blamed for ‘sudden and powerful’ disease outbreak

(07/15/19)

Scientists have highlighted the threat of the seawater bacterium Tenacibaculum dicentrarchi to post-smolts after it was described as the cause of a salmon disease outbreak in Norway for the first time.

Skin ulcers, fin erosion and mortality were observed a few days after the transfer of Atlantic salmon from a freshwater smolt production facility to a land-based seawater post-smolt site.

Dead and moribund fish had severe skin and muscle ulcers, often 2cm-6cm wide, particularly in the area.............................................................


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