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Sweden: Pigs hit by 'blue ear'

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  • Sweden: Pigs hit by 'blue ear'

    Sweden hit by 'blue ear'

    // 12 Jul 2007

    Outbreaks of Porcine Reproductive and Respiratory Syndrome (PRRS) have been reported in two Swedish pig farms, according to veterinary officials at the National Board of Agriculture.

    <SCRIPT type=text/javascript> ImageUtils.showImage("/ts_pi/resources/attachments/im/true/preview/true/id/22512/Presentatie1.jpg", "IMAGE/PJPEG", 146, 146); </SCRIPT> About 3,000 pigs were destroyed at a pig farm in the southern province of Sk?ne when the first outbreak of this serious disease was reported in early June.

    Veterinary authorities are unaware of how the farm became contaminated, and say that the pigs did not show any signs or symptoms of contamination.

    Later, inspectors discovered another outbreak, approximately 100 km from the first contaminated farm. "We don't understand where the contamination is coming from and hopefully our investigation will tell," said Peter Wallgren at the Swedish National Veterinary Institute.

    Swedish veterinary authorities are worried that PRRS has spread to more farms in Sweden. "If all the herds that we are testing prove positive for PRRS, the virus has already spread across Sweden," said Wallgren. Test results are expected later this week.

  • #2
    Re: Two die in Vietnam from pig virus, bird flu returns

    So Sweden is having a small outbreak also..and hoping it's not all over the country.


    • #3
      Re: Sweden Pigs with blue ear

      or will maybe infect other EU-countries and maybe America.
      But they have another PRRS disease in Northern America said Mingus
      I'm interested in expert panflu damage estimates
      my current links: ILI-charts:


      • #4
        Re: Sweden: Pigs hit by 'blue ear'


        Date: Fri 24 Aug 2007
        From: Lewerin Susanna <>PRRS in Sweden--------------As reported previously [see OIE (World Organization for Animal Health) notification in ProMED-mail posting 20070803.2518], porcine
        reproductive and respiratory syndrome (PRRS) was detected in Sweden
        this summer [2007]. This is the 1st occurrence of the disease in the country.

        After many years of serosurveillance in breeding herds and at
        slaughter, positive samples were found in one herd in the beginning
        of July [2007]. Immediate actions were taken, including tracing and
        investigations in all contact herds as well as farms in the vicinity.
        An intensified serosurveillance in the entire country is presently ongoing.

        A total of 8 herds have been found infected. All animals on the
        positive holdings have been slaughtered and cleaning, disinfection,
        and a holding period of 21 days have been required before any new
        animals may be introduced onto the premises.

        So far, the epidemiological investigations have been inconclusive and
        the source of the infection remains unclear. Extended sequencing of
        the viral genome from all positive samples, as well as detailed
        examinations of the results from serological investigations in the
        infected herds, are underway.

        The veterinary authorities are reluctant to jump to any conclusions
        but so far the infection does not appear to be widespread and it may
        have been detected just in time to enable successful eradication efforts.

        Susanna Sternberg Lewerin DVM, PhD
        Section for Epizootiology
        Dept. of Disease Control
        National Veterinary Institute
        SE-751 89 Uppsala