ISA case reported at Northern Harvest farm

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Suspect ISA virus test on one fish in one cage.

“Heightened harvesting and processing biosecurity practices have been implemented” in response to a suspect ISAv test on one fish in one cage on October 1, as reported on the Newfoundland Aquaculture Industry Association (NAIA) site.

The site involved is at the Marine Harvest-owned Northern Harvest Sea Farms in Harbour Breton, Newfoundland, Canada.

The press release said that the cage was completely harvested on November 1. A confirmed diagnosis was not made until November 9, eight days after the fish were removed.

“Subsequent and continual surveillance tests performed by company and provincial veterinarians has indicated that the remaining cages continue to test negative for ISAv,” the company added.

Marine Harvest officially completed the acquisition of Canadian salmon farmer Northern Harvest Sea Farms in July.