A chicken farm bird flu (H5N2) in Penghu 600 chickens culled

[Ronan Kelly]

:tiphat: Healthmap

A chicken farm bird flu burst in Penghu 600 chickens culled
Huaxia Jingwei Website 2012-11-23 15:07:21

Huaxia Jingwei Website, November 23: According to Taiwan media reports, the Penghu area for the first time the outbreak of avian flu, the local epidemic prevention by last night overnight 600 chickens were culled. "The COA the BAPHIQ" said the 19th of this month, Penghu County a simulated native field died 150 chickens, chicken farmers take the initiative to send sick or dead chickens Penghu Livestock Disease Control Inspection. The test results came in yesterday evening, confirmed to have been infected with the H5N2 bird flu virus, highly pathogenic or low pathogenic two days to confirm.

According to reports, the Penghu a simulated native plants in the 19th of this month, the chickens in bird flu symptoms start to appear, 150 chickens died suddenly after another. The chicken farmers dead chickens examination again 50 chickens died the next day.

Released yesterday evening inspection confirmed infection of H5N2 avian influenza in chickens. Acting Director of the COA BAPHIQ "said Hsieh Fu-mei, H5N2 avian flu does not infect humans; highly pathogenic (high infection rates, high mortality) or low pathogenic, still need to wait for another two-day test results to confirmed.

Hsieh Fu-mei said that the island provides outbreaks of avian influenza, regardless of the level of pathogens, the chicken farm chicken farm and within a radius of three kilometers must move control 21 days; recognized as highly pathogenic required to audience culling. Penghu local competent authority has taken a high-standard management, culling the remaining 600 chickens yesterday, and to strengthen disinfection control around farms have not yet found the symptoms of avian flu.

http://www.huaxia.com/xw/twxw/2012/11/3098681.html

 

[Gert van der Hoek]

Re: A chicken farm bird flu (H5N2) in Penghu 600 chickens culled

The outbreak has been confirmed today via OIE:


Report type - Immediate notification

Date of start of the event - 17/11/2012

Date of pre-confirmation of the event - 22/11/2012

Report date - 07/12/2012

Date submitted to OIE - 07/12/2012

Causal agent - Highly pathogenic avian influenza virus

Serotype - H5N2

Affected animals

Species - Birds

Susceptible - 831

Cases - 300

Deaths - 200

Destroyed - 631

Slaughtered - 0

Affected population - Native chicken

 

[Giuseppe]

Re: A chicken farm bird flu (H5N2) in Penghu 600 chickens culled

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


Highly pathogenic avian influenza, Chinese Taipei

Information received on 07/12/2012 from Dr Kwo-Ching Huang, Chief Veterinary Officer and Deputy Director General, , Bureau of Animal and Plant Health Inspection and Quarantine Council of agriculture, Executive Yuan , Taipei, Chinese Taipei

• Summary
  • Report type Immediate notification
  • Date of start of the event 17/11/2012
  • Date of pre-confirmation of the event 22/11/2012
  • Report date 07/12/2012
  • Date submitted to OIE 07/12/2012
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 07/08/2012
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
  • This event pertains to the whole country
• New outbreaks (1)
  • Outbreak 1 - Ma-Gong, P'ENG-HU
    • Date of start of the outbreak 17/11/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 831 ? 300 ? 200 ? 631 ? 0
      • Affected population Native chicken
• Summary of outbreaks
  • Total outbreaks: 1
  • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
    • Birds ? 831 ? 300 ? 200 ? 631 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 36.10% - 24.07% - 66.67% - 100.00%
    • *Removed from the susceptible population through death, destruction and/or slaughter
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • Clinical suspected cases were notified by the owner because of the abnormal mortality rate.
  • The local government conducted movement restriction, epidemiological investigation and sampling on the index native chicken farm and destroyed all chickens as the measure for precaution on 22 November 2012 in accordance with its authority.
  • The results of RT-PCR and pathogenicity tests confirmed this event as H5N2 HPAI.
  • The clinical and epidemiological investigation of three surrounding poultry farms was conducted.
  • No other NAI case was detected.
• 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 ? Species ? Test - Test date ? Result
    • Animal Health Research Institute (National laboratory) ? Birds - gene sequencing - 24/11/2012 ? Positive
    • Animal Health Research Institute (National laboratory) ? Birds - haemagglutination inhibition test (HIT) - 22/11/2012 ? Negative
    • Animal Health Research Institute (National laboratory) ? Birds - intravenous pathogenicity index (IVPI) test - 07/12/2012 ? Positive
    • Animal Health Research Institute (National laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 22/11/2012 ? Positive
    • Animal Health Research Institute (National laboratory) ? Birds - virus isolation - 07/12/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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