Low pathogenic avian influenza (poultry), France (WAHID Interface - OIE World Animal Health Information Database, 11/16/09, edited)

[Giuseppe]

Low pathogenic avian influenza (poultry), France (WAHID Interface - OIE World Animal Health Information Database, 11/16/09, edited)

Low pathogenic avian influenza (poultry), France

Information received on 16/11/2009 from Dr Jean Luc Angot, Directeur G?n?ral Adjoint, Direction G?n?rale de l'Alimentation, Minist?re de l'Agriculture et de la P?che, PARIS, France

• Summary
  • Report type Immediate notification
  • Start date 13/11/2009
  • Date of first confirmation of the event 13/11/2009
  • Report date 16/11/2009
  • Date submitted to OIE 16/11/2009
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 17/04/2009
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus (H5)
  • Serotype Pending
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country

• New outbreaks
  • Outbreak 1 - Saint Aubin du Plain, Saint Aubin du Plain, DEUX-S?VRES
    • Date of start of the outbreak 13/11/2009
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 9000 - 0 - 0 - 0
      • Affected Population The infected farm consists of 3 batches with 3,000 ducks ready to be force-fed aged 3 weeks, 7 weeks and 17 weeks. Animals do not show clinical signs.

• Summary of outbreaks
  
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - ** - 0.00% - ** - 0.00%
    • * 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
  • This outbreak was identified through active surveillance for avian influenza in breeding farms.
  • Poultry in the farm do not show clinical signs.
  • The farm includes 9,000 ducks ready to be force-fed divided into three batches of 3,000 ducks introduced respectively on 15 July 2009, 22 September 2009 and 22 October 2009. All 9,000 ducks will be euthanized and destroyed.
  • Cleaning and disinfection measures and then a 21-day sanitation process will be applied. The newly introduced birds will be monitored during 21 days following their introduction into the farm.
  • The epidemiological investigation showed that the virus has not circulated from the farm (no epidemiological related farm nor other farms in a 1-km-radius area).
  • Note by the OIE Animal Health Information Department: 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 (2009).

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

• Diagnostic test results
  • Laboratory name and type AFSSA (French Agency for Food Safety), Ploufragan (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - gene sequencing - 13/11/2009 - Positive
      • Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 13/11/2009 - Positive

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

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8651" >WAHID Interface - OIE World Animal Health Information Database</cite>