Tuesday, December 27, 2016

Fear ISA-infection in a fish – NRK

This was not the best message to get on christmas eve, ” says the regional director of Grieg Seafood Finnmark Roy-Tore Rikardsen.

Samples taken by the national veterinary institute in Harstad suspect that the salmon in Grieg seafood’s population has the disease.



the regional director in Grieg Seafood Finnmark Roy Tore Rikardsen says there currently is a suspect, but that they have taken measures to prevent the spread.

Photo: Robin Mortensen

Has taken measures

ISA or Infectious lakseanemi is a contagious disease that is in the family with flu, but will not cause disease in warm-blooded animals or humans. ISA mainly attack the blood vessels to the salmon which provides a dark liver, bulging spleen and collection of blood in the bowels, along with major internal bleeding.

– We’ve taken the precautions we can, and notified the authorities. Since the disease is transmitted between biological matter as we keep it separated. We don’t use the same equipment between cages, ” says Rikardsen

the Disease can spread from a merde to another and the disease is characterized as a “Ulmebrann”, writes the national veterinary institute on its website. There have previously been cases where there was great mortality.



ISA infects quickly, and therefore, the company has implemented measures to minimize the chance of the disease spreading.

Photo: Marøy, Terje / SCANPIX

In cases where it has been proven disease is set up in a range of control where the fish are being monitored and harvested. All fish in a system with an ISA infection are to be considered as infected.

No danger for the people

– This is only a suspicion, but we are waiting on a larger analysis from the national veterinary institute which should be ready towards the end of this week, ” says Arnt Inge Rock in the Norwegian food safety Authority.

It is the only confirmed case of ISA in the county of Finnmark in the past and it was in september 2015.

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