OIE: Low pathogenic avian influenza (poultry), Sri Lanka

Information received on 03/02/2012 from Dr Weligodage Kumarawansa De Silva, Director General, Department of Animal Production & Health, Department of Animal Production & Health, PERADENIYA, Sri Lanka

Summary

Report type Immediate notification
Start date 20/01/2012
Date of first confirmation of the event 02/02/2012
Report date 02/02/2012
Date submitted to OIE 03/02/2012
Reason for notification First occurrence of a listed disease
Manifestation of disease Clinical disease
Causal agent Low pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country

New outbreaks

Outbreak 1 Panawewa, Bingiriya, Kurunegala, KURUNEGALA
Date of start of the outbreak 20/01/2012
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 14600 100 100 0 0
Affected Population Layer poultry in two nearby farms
Summary of outbreaks Total outbreaks: 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.68% 0.68% 100.00% 0.68%

* 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 Two layer farms in nearby location owned by the same farmer have been affected.
Samples have been dispatched to the OIE Reference Laboratory for avian influenza in Weybridge (United Kingdom) for further laboratory confirmation.

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 (2011).

Control measures

Measures applied
  • Quarantine
  • Movement control inside the country
  • Screening
  • 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 Central Veterinary Investigation Centre (National laboratory)
Tests and results
Species Test Test date Result
Birds gene sequencing 02/02/2012 Positive

Future Reporting

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