The salmon industry is one of Australia’s largest aquaculture industries and produced approximately 16,000 tonnes of farmed Atlantic salmon, Salmo salar, in 2001/02 at an estimated farm gate value of $170 million. The industry is a major regional and youth employer and is based in Tasmania...

Bacterial disease is a major cause of stock loss in aquaculture. The severity of infection may range from acute to chronic through to benign. This latter condition, termed covert infection, is insidious, as fish may appear to be outwardly healthy but during periods of stress, these carriers may...