Low pathogenic avian influenza (poultry), Canada (WAHID Interface - OIE World Animal Health Information Database, Dec. 10 2010, extract, edited)

[Giuseppe]

Low pathogenic avian influenza (poultry), Canada (WAHID Interface - OIE World Animal Health Information Database, Dec. 10 2010, extract, edited)


[Source: OIE, full text: <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10026">WAHID Interface - OIE World Animal Health Information Database</cite>. Extract, edited.]

Low pathogenic avian influenza (poultry), Canada

Information received on 10/12/2010 from Dr Brian Evans, Chief Food Safety Officer/Chief Veterinary Officer, Office of the President, Canadian Food Inspection Agency, OTTAWA, Canada

• Summary
  • Report type Follow-up report No. 2
  • Start date 17/11/2010
  • Date of first confirmation of the event 23/11/2010
  • Report date 10/12/2010
  • Date submitted to OIE 10/12/2010
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 11/03/2009
  • Manifestation of disease Clinical disease
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (24/11/2010)
    • Follow-up report No. 1 (01/12/2010)
    • Follow-up report No. 2 (10/12/2010)

• Outbreaks
  • There are no new outbreaks in this report

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive

• Epidemiological comments
  • Disposal of carcasses by a method of on-site composting is underway at infected premises NAI-2010-MB-001.
  • Cleaning and disinfection of this premises will follow.
  • The NCFAD has completed the intravenous pathogenicity index evaluation of the notifiable avian influenza virus isolated at the infected premises.
  • The IVPI is 0 and this is the final confirmation of the low pathogenicity of this virus.
  • As a result of trace in / trace out investigations conducted by the CFIA, four epidemiologically linked premises were identified and quarantined.
  • These premises are two turkey breeders farms, one mixed poultry farm (commercial production turkey and chicken table egg layer) and one commercial hatchery, all located in the province of Manitoba.
  • Samples from all these premises were collected by the CFIA.
  • All results were negative and there's no indication of the presence of notifiable avian influenza virus on those premises.
  • Surveillance activities continue.
  • All eggs and poults at the commercial hatchery were destroyed.

• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • Disinfection of infected premises/establishment(s)

• Diagnostic test results
  • Laboratory name and type CFIA - National Center for Foreign Animal Diseases (NCFAD) (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - intravenous pathogenicity index (IVPI) test - 08/12/2010 - Negative

• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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