TROUT 2013 - simulating VHS outbreaks

Report on Exercise TROUT 2013 - Implementation of and activities related to a Viral Haemorrhagic Septicaemia (VHS) simulation exercise for the Nordic and Baltic Countries conducted 4th - 5th December 2013, Bergen, Norway

image of TROUT 2013 - simulating VHS outbreaks

Fish diseases are a major concern for aquaculture where fish are commercially reared. In the Nordic-Baltic countries aquaculture is currently taking place in freshwater fish farms and in marine fish farms. A range of viral diseases can cause devastating losses to fish rearing and wild fish stocks. Viral hemorrhagic septicemia (VHS) – also known as “Egtved disease” - is a viral fish disease which affects a large number of freshwater and marine fish. The rainbow trout is very susceptible to the disease.This report provides information on the preparatory work and the conduct a simulation exercise code-named “TROUT 2013”. The aim of the exercise was to test National VHS Contingency Plans.




Viral hemorrhagic septicemia (VHS) – also known as “Egtved disease” — is a viral disease with a large number of susceptible species. The disease may be regarded as a model disease for several infectious diseases that may be a threat to farmed or wild fish stocks in the Nordic and Baltic countries.


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