Bergen-based Grieg Seafood announced a potential finding of infectious salmon anemia at a salmon farming site in northern Norway’s Hammerfest region.

Grieg Seafood Finnmark reported the potential finding to the Norwegian Food Safety Authority last week.

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Fish from the pen were already being harvested, but harvesting has been put on hold pending results of the ISA test.

Grieg suffered a painful second quarter as high costs and lower revenues nudged earnings over a cliff.