The Norwegian Food Safety Authority on July 17 confirmed the presence of infectious salmon anemia (ISA) at a site in Naerinsbukta, Norway, one of the key operating areas for farmed salmon producer Norway Royal Salmon (NRS).

Millions of fish at risk as ISA suspected at Norway Royal Salmon farms
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The average weight of the 2.3 million fish in the company's farms in Donnesfjord -- consisting of the sites Naeringsbukta, Klubben and Borfjord -- is 3.3