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Few Farmed Fish Found to be Infecting Wild Salmonids in 2013

11 June 2014, at 1:00am

NORWAY - The Norwegian Veterinary Institute and the Institute of Marine Research report that wild fish monitoring in 2013 concluded that there are few discoveries of farmed fish causing disease in wild salmonids.

Norwegian aquaculture has great losses due to infectious viral diseases. Disease outbreaks in aquaculture can lead to increased infection pressure and increased risk of disease in neighboring plants and wild fish.

In Norway, there has not been enough knowledge about infection from farmed fish to wild fish. FSA therefore launched in 2012 a monitoring programme for the transmission of disease from farmed fish to wild salmon.

The purpose of monitoring is to determine whether the disease in farmed fish can infect wild fish. The Veterinary Institute has therefore been responsible for monitoring freshwater and IMR has been responsible for the monitoring of seawater.

Still, evidence of infection from farmed fish to wild fish is limited. It is important to continue with this annual monitoring as environmental, farming and disease status changes over time. The monitoring of wild fish is continuing in 2014.


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It is vital that fish farm operatives who are responsible for farmed fish are trained in their health and welfare. This will help to ensure that fish are free from disease and suffering whilst at the same time promote good productivity and comply with legislation.

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