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Low pathogenic avian influenza (poultry), Australia (OIE, January 27 2012): Low Pathogenic H5 Outbreak, 1st occurrence

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  • Low pathogenic avian influenza (poultry), Australia (OIE, January 27 2012): Low Pathogenic H5 Outbreak, 1st occurrence

    [Source: OIE, full page: (LINK). Edited.]


    Low pathogenic avian influenza (poultry), Australia


    Information received on 27/01/2012 from Dr Mark Andrew Schipp, Chief Veterinary Officer, Ministry of Agriculture, Fisheries and Forestry, Ministry of Agriculture, Fisheries and Forestry, Canberra, Australia
    • Summary
      • Report type Immediate notification
      • Start date 25/01/2012
      • Date of first confirmation of the event 25/01/2012
      • Report date 27/01/2012
      • Date submitted to OIE 27/01/2012
      • Reason for notification First occurrence of a listed disease
      • Manifestation of disease Sub-clinical infection
      • Causal agent Low pathogenic avian influenza virus
      • Serotype H5
      • Nature of diagnosis Laboratory (advanced)
      • This event pertains to the whole country
    • New outbreaks
      • Outbreak 1 - Melbourne area, VICTORIA
        • Date of start of the outbreak 25/01/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds ? 24500 - ? ? ? ? 24500 ? 0
          • Affected Population:
            • The epidemiological unit is a duck grower farm and associated breeding facility in the Melbourne area.
            • Low pathogenic notifiable avian influenza subtype H5 was detected during routine surveillance from a healthy flock.
    • Summary of outbreaks
      • Total outbreaks: 1
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds ? ** ? ** ? ** ? **
        • * Removed from the susceptible population through death, destruction and/or slaughter
        • ** Not calculated because of missing information
    • Epidemiology
      • Source of the outbreak(s) or origin of infection
        • Unknown or inconclusive
    • Epidemiological comments
      • H5 LPAI confirmed by Victorian Department of Primary Industries (DPI) and sequencing at the Australian Animal Health Laboratory.
      • N1 has been ruled out on N1-specific PCR.
      • Virus isolation and characterisation is being conducted.
      • The outbreak was confirmed on the index duck meat grower farm.
      • Due to close commercial links with a second duck breeding farm, the second farm has also been designated as infected premises being part of the same epidemiological unit.
      • Notes by the OIE Animal Health Information Department:
        • Since this is the first time that LPAI is identified in poultry in the history of the country, the reason for notification as first occurrence applies to the country but the event is in fact circumscribed to a small area as shown on the map.
        • H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2011).
    • Control measures
      • Measures applied
        • Stamping out
        • Quarantine
        • Movement control inside the country
        • Screening
        • Zoning
        • Disinfection of infected premises/establishment(s)
        • Vaccination prohibited
        • No treatment of affected animals
      • Measures to be applied
        • No other measures
    • Diagnostic test results
      • Laboratory name and type DPI Diagnostic Veterinary Laboratory, Attwood (Local laboratory)
        • Tests and results: Species ? Test - Test date ? Result
          • Birds - polymerase chain reaction (PCR) - 25/01/2012 ? Positive
      • Laboratory name and type Australian Animal Health Laboratory (OIE?s Reference Laboratory)
        • Tests and results: Species ? Test - Test date ? Result
          • Birds - polymerase chain reaction (PCR) - 27/01/2012 ? Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
    -
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  • #2
    Re: Low pathogenic avian influenza (poultry), Australia (OIE, January 27 2012): Low Pathogenic H5 Outbreak, 1st occurrence

    Translation from Chinese

    The Japanese government announced on Tuesday to immediately stop the import of Australian chicken, eggs and contains eggs and chicken ingredients of processed food ...

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