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Thread: New long term research on CWD - increasing possibility of transmission to humans

  1. #1
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    New long term research on CWD - increasing possibility of transmission to humans

    Why are we still allowing deer and elk farms to be operated in this country? There are some animals that just aren't meant to be held in captivity. Our governments fail us in so many ways its astounding!

    Spreading wildlife disease threatens deer, elk — and maybe humans, new research says


    It was first found in Canada in 1996. Since then, it has appeared in deer and elk in Saskatchewan, Alberta and Quebec. A new study says chronic wasting disease could infect humans
    Author of the article:
    The Canadian Press
    Bob Weber


    Publishing date:
    Jul 15, 2021 • 23 hours ago • 4 minute read •
    8 Comments


    The continuing spread of a fatal wildlife disease in Alberta and Saskatchewan has a federal agency recommending a deer cull across a wide swath of the Prairies.
    And soon-to-be-published research on chronic wasting disease has raised new fears about whether the illness could infect humans.

    “I would say this question was answered with ‘yes,”‘ said Hermann Schaetzl, a veterinary scientist at the University of Calgary.
    Schaetzl’s work was discussed in a recent report from the Canadian Agri-Food Policy Institute, which advises the federal government on agriculture policy. Earlier this month, the institute concluded that in addition to human health concerns, the disease’s spread over the last decade threatens Western Canada’s agriculture, wildlife and food security.

    “It’s continuing to increase in its spread and the speed of its spread,” said Ted Bilyea, the institute’s strategy officer.
    Chronic wasting disease affects animals such as deer, caribou, moose and elk, attacking nervous systems with universally fatal results. Like mad cow disease or Creutzfeldt-Jakob disease in humans, it is caused by prions — misshapen proteins that can persist in the environment for up to a decade, able to transfer their shape to healthy proteins.
    It was first found in Canada in 1996. Since then, it has appeared in deer and elk in Saskatchewan, Alberta and Quebec.
    In 2019, Alberta found 11 per cent of animals submitted by hunters tested positive, up from seven per cent in previous years. It was also found in moose for the first time.

    Maps in the report show that in 2008 the disease was limited to isolated outbreaks in Alberta and Saskatchewan. Now, it’s considered well-established throughout Alberta’s southeast quarter and Saskatchewan’s southern half.
    The report also discussed an experiment conducted on macaque monkeys, considered the closest animal analog to humans.
    In 2006, German scientists began feeding macaques with meat from animals infected with the disease. Because it can take years for the disease to show, the monkeys weren’t euthanized and tested until two years ago.
    The first tests were ambiguous. But Schaetzl, who helped conduct confirmatory tests, said it became clear the monkeys had developed low-level infections.
    “The more we did, the more we could confirm the macaques were infected.”

    Although Schaetzl’s work is still being peer-reviewed, it has been presented in conferences and is widely discussed among disease experts.
    “I was shocked when we first learned of the results,” said Neil Cashman, a leading prion expert at the University of British Columbia. “It’s absolutely confirmative that this happened — you could give macaques a prion disease through oral consumption of contaminated meat.”
    Because the disease is so new and takes so long to develop, Cashman said there could already be people suffering from a human form of chronic wasting disease.
    “(For) many people with a spinal cord syndrome, it wouldn’t even occur to the treating neurologist that this could be a prion disease,” he said. “It’s going to take some education and alertness to even think of the diagnosis.”

    To keep tainted meat out of the food supply, Saskatchewan and Alberta require deer and elk farmers to test every animal that dies on their farms, including slaughtered animals. If the disease is found on an Alberta farm, the herd is depopulated and the farmer is prohibited from restocking with animals susceptible to it.
    There have been no cases of cattle catching the disease from wild animals.
    “It’s easy to go down a doomsday scenario but I don’t think we’re there yet,” said Neil Lehman, Alberta’s provincial veterinarian. “I think it’s low-risk.”
    He points out macaques may be close to humans, but they’re still a different species.
    Still, Bilyea warns chronic wasting disease threatens Alberta’s wildlife. It’s already shrinking Montana deer herds.

    It also threatens hunters — especially those who depend on game to fill the freezer. The report warns of dire consequences if the disease gets into caribou, a threatened species in the mountains and a staple for many northern First Nations.

    “The southern range (of caribou) is pretty much the northern range for our survey,” Bilyea said. “If (prions) pass through that, then we have a genuine food security problem for our northern people.”
    The report’s first recommendation is the creation of a deer-depopulated buffer zone to separate caribou range from infected animals.
    “We don’t have any buffer zone,” said Bilyea. “It’s not a very pleasant idea, but this is not a very pleasant topic.”
    Alberta has previously tried deer culls in an effort to keep the disease confined to Saskatchewan. But Lehman said it might be time to try again.

    “It’s worth considering,” he said. “I think it’s justified.”
    Chronic wasting disease also threatens the reputation of Canadian agriculture.
    A 2003 outbreak of mad cow disease in northern Alberta damaged Canadian food exports for years. Norway has already passed regulations prohibiting the import of Canadian hay and straw from jurisdictions with chronic wasting disease.
    Cashman said he no longer eats deer or elk.
    “I hear the alarm bells going off,” he said.
    “I would have expected a human case to emerge in the U.S. before Canada. But on the weight of evidence, I think it’s not only not impossible, it’s kind of expected at this point.”

    https://nationalpost.com/news/canada...-research-says




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  3. #2
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    Thanks for posting. And I agree with you.

  4. #3
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    Yep total crap. Need to put an end to this stuff.... whoops does that mean more government regulations and curtailment of freedom? J/K with a little poke in the ribs.
    "When you judge another you don't define them, you define yourself."

  5. #4
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    So are people in BC going to start testing all their meat as well? Prion diseases are nasty and I’d rather err on the side of caution.

    what’s the best way to get game tested for Cwd in bc?

  6. #5
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    Quote Originally Posted by AllDay View Post
    So are people in BC going to start testing all their meat as well? Prion diseases are nasty and I’d rather err on the side of caution.

    what’s the best way to get game tested for Cwd in bc?
    I'm not concerned until I start seeing an uptick in the mandatory CWD testing MU's. If you are not sure, the BC Hunting and trapping synopsis indicates which MU's currently require CWD testing and for which species. That said, there is that weird disease that is hitting the gulf island deer population hard???? Don't believe its CWD but something similar???

    Link below contains a tab to view BC CWD TEST RESULTS which also states there have been no positive for head submissions up to Jane 29 2021.

    Table is listed by drop off location, kill date, species, sex , MU, Sample Date and CWD status. Drop off locations in regions of concern are at the bottom of the page.


    https://www2.gov.bc.ca/gov/content/e...ce-and-testing
    Last edited by Ron.C; 07-16-2021 at 10:57 AM.

  7. #6
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    This has some severe consequences. From what I understand of prions is that they can't be killed. I'm not sure if they'll spread in a butcher shop?

  8. #7
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    Areas subject to testing are close to where I hunt. I butcher at home and until it is detected in bc I won’t worry.
    " We must strive to touch the land gently and care for it as true stewards, that those who follow us and assess our record may see that our mark on the land was one of respect and love, not cruelty and disdain."

    Robert B. Oetting

    Proud BC Resident Hunter

  9. #8
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    One only has to look at the history of mad cow in Britain to be worried. It would have been so simple to say no farmed elk or deer.

  10. #9
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    Re: New long term research on CWD - increasing possibility of transmission to humans

    Quote Originally Posted by Island Idiots View Post
    Areas subject to testing are close to where I hunt. I butcher at home and until it is detected in bc I won’t worry.
    So do I and so far it hasn't been detected in the peace country but I wonder about cross contamination on the cutting boards, knives and whatever else the meat might touch.

  11. #10
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    Re: New long term research on CWD - increasing possibility of transmission to humans


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