OIE: Low pathogenic avian influenza (poultry) ,Chinese Taipei

Information received on 26/12/2017 from Dr Tai-Hwa Shih, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine Council of Agriculture Executive Yuan, Ministry of Agriculture, Taipei, Chinese Taipei

Summary

Report type

Immediate notification

Date of start of the event

19/12/2017

Date of confirmation of the event

24/12/2017

Report date

26/12/2017

Date submitted to OIE

26/12/2017

Reason for notification

New strain of a listed disease in the country

Causal agent

Low pathogenic avian influenza virus

Serotype

H5N6

Nature of diagnosis

Laboratory (basic), Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 2

Outbreak Location

  • NANTOU COUNTY ( Zhushan Township Zhushan Township )

Total animals affected

Species

Susceptible

Cases

Deaths

Killed and disposed of

Slaughtered

Birds

11848

**

0

11848

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

**

0.00%

**

100.00%


* 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

When we performed active surveillance program, the samples collected from 2 duck farms in Nantou County on December 19, 2017, were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis. Low pathogenic avian influenza H5N6 subtype was confirmed by AHRI on December 24. The farms have been placed under movement restriction. All animals on the infected farms were culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within a three-kilometer radius of the infected farms are under intensified surveillance for three months.

Control measures

Measures applied

  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
  • Ante and post-mortem inspections
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied

  • No other measures

Diagnostic test results

Laboratory name and type

Animal Health Research Institute (AHRI) ( National laboratory )

Tests and results

Species

Test

Test date

Result

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