Summer sockeye are working their way up the Fraser River now, heading to Chase Creek and the late-run sockeye that call the Shuswap home, including the Adams and Eagle rivers, will soon be on their way.-Image credit: File photo

Scientific experts say fish virus poses low risk to Fraser River sockeye

Ecojustice lawyers say PRV was discovered in 2010 and is thought to cause a severe infectious fish disease

The risk is minimal for a potentially lethal virus for British Columbia’s Fraser River sockeye salmon, but Fisheries and Oceans Canada says there’s still more to learn.

Federal government scientists were among 33 members of a peer review panel that looked at the data and risk assessment of piscine orthoreovirus, or PRV.

The virus is highly contagious and often found in fish farms off the B.C. coast, many of which are positioned along wild salmon migration routes.

According to the environmental group Ecojustice, PRV was discovered in 2010 and is thought to cause a severe infectious fish disease known as heart and skeletal muscle inflammation.

It’s an infectious disease syndrome that was first observed in farmed Atlantic salmon in a single fish farm in Norway in 1999. There are now 419 farms infected with the disease in Norway, said Ecojustice.

Gilles Olivier, who co-chaired the review for Fisheries and Oceans Canada, said knowledge gaps about the virus include how long it survives and its concentration in the water.

READ MORE: Federal court rules farmed salmon must be tested for deadly virus in B.C.

While the virus is causing mortality in fish in Norway, it’s not killing British Columbia’s sockeye or Atlantic salmon even when it is injected in high doses, Olivier said in a conference call with reporters on Thursday.

“It doesn’t seem to have the same effect in our Atlantic salmon here in B.C. than it does in Norway,” he said.

“There is no evidence to suggest that PRV causes disease and mortality in sockeye salmon.”

But the virus cannot be cultured and has a wide geographic distribution ranging from Alaska, to B.C. and into Washington state, Olivier said.

“It’s not easy to work with this virus.”

Most of the data comes from Norway, but in B.C. the strain of the virus is not as strong, he said.

Dr. Craig Stephen, who also co-chaired the review, said the research will continue and as more information becomes available the department will take that into consideration.

The Cohen commission investigated the 2009 collapse of the sockeye salmon run in the Fraser River and made 75 recommendations.

The virus risk assessment represents the sixth in a series of 10 assessments arising out of the commission’s recommendations.

The Canadian Press

Like us on Facebook and follow us on Twitter.

Just Posted

Cops make fentanyl bust in Castlegar

Over 280 pills among drugs seized

Federal candidates debate environmental issues in Castlegar

Few sparks and much agreement between candidates that action is needed

South Okanagan-West Kootenay election a ‘toss-up’: 338Canada

The Conservatives are currently leading the NDP by a slim margin

Check your mail for your Voter Information Card

Your Voter Information Card identifies where you can vote in advance and on election day

WATCH: South Okanagan-West Kootenay candidates answer students’ questions at Grand Forks forums

The Grand Forks Gazette filmed the all-candidates’ public forum, held Oct. 8 at Grand Forks Secondary

VIDEO: Langley woman’s security camera records its own theft

Langley family discovers early morning grab was recorded

Canadian Snowbirds plane crashes before air show in Atlanta

Pilot lands safely after ejecting from jet

Man caught throwing away election signs in Fernie, ordered to put them back

Man told RCMP he had ‘no faith in government’

Share crash data, private insurers tell David Eby, ICBC

B.C. monopoly makes drivers retrieve their own records

B.C. VIEWS: Wolf kill, not backcountry bans, saving caribou

B.C.’s largest herds turn the corner from extinction

Pearson nets shootout winner as Canucks clip Flyers 3-2

Vancouver picks up second straight home win

Map on Elections Canada website sends Nanaimo-Ladysmith voters to landfill

Address for polling station correct, but Google Map address differs

BC Children’s Hospital launches 2 new virtual care sites bringing total to 19 across province

Provincial initiative allows pediatric patients to see health specialists through video

Most Read