Chronic wasting disease – cervids

  • October 21, 2013 at 11:59 pm #662

    Published Date 02-APR-2005
    A ProMED-mail post
    ProMED-mail, a program of the International Society for Infectious Diseases

    Date: 2 Apr 2005
    From: ProMED-mail <promed>
    Source: NY Dept. of Agriculture press release [edited]

    2nd Case of CWD Found in Oneida County Deer State’s Trace Back Finds 2nd Positive CWD in Herd Directly Linked to Index Herd
    A 2nd positive case of chronic wasting disease (CWD) in New York State has
    been confirmed in a white-tailed deer from a captive herd in Oneida County
    that is directly linked to the herd where a white-tailed doe was found
    positive for CWD earlier this week.

    CWD is a transmissible disease that affects the brain and central nervous
    system of deer and elk. There is no evidence that CWD is linked to disease
    in humans or domestic livestock other than deer and elk.

    During the investigation of the State’s 1st case of CWD this week, the New
    York State Department of Agriculture and Markets found that one of the
    herds associated with the index animal had recently sent a sample to the
    State’s Veterinary Diagnostic Laboratory to be tested for CWD. The sample
    was collected and sent for testing as part of the State’s mandatory CWD
    surveillance and testing protocols.

    The positive sample was from a 2.5-year-old white-tailed deer that died
    from aspiration pneumonia, which is often but not exclusively associated
    with CWD. Due to the direct association with the index herd, the Department
    expedited the testing procedure by re-routing the sample to the National
    Veterinary Services Laboratory in Ames, Iowa, which late yesterday found
    the sample to be positive for CWD.

    2 days ago, the New York State Departments of Agriculture and Markets, and
    Environmental Conservation announced the State’s 1st case of CWD, found in
    a 6-year-old white-tailed doe from a captive herd in Oneida County. The
    deer was sampled as part of the State’s Enhanced CWD Surveillance and Monitoring Program.
    Currently, the index herd and the 6 other associated herds, including the
    2nd positive herd, are under quarantine. All animals remaining in the index
    herd and the herd with the 2nd confirmed positive herd will be depopulated
    and tested for CWD. The investigation to determine the source of the
    infection is ongoing.

    The New York State Department of Agriculture and Markets will continue to
    seek any susceptible deer that came into contact with either herd and to
    assess the health and environmental risks associated with such establishments.

    The New York State Department of Environmental Conservation will continue
    to conduct intensive monitoring of the wild deer population surrounding the
    2 positive herds to determine if CWD has spread to wild deer.

    CWD is a transmissible spongiform encephalopathy (TSE) of deer and elk.
    Scientific and epidemiological research into CWD is ongoing. To date,
    research shows that the disease is typified by chronic weight loss, is
    always fatal, and is transmissible between susceptible species. CWD has
    been found only in members of the deer family in North America, which
    include white-tailed deer, mule deer, elk and moose.

    More information and the transcript of Thursday’s press conference regarding the 1st positive case of CWD in New York State can be found at the Department of Agriculture and Markets’ website or at the Department of Environmental Conservation’s website.


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