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2017-11-20 5:46:01


OIE: Low pathogenic avian influenza (poultry), Dominican Republic
submited by kickingbird at Oct, 27, 2017 9:48 AM from OIE

Information received on 24/10/2017 from Dra Nimia Lissette Gómez Rodríguez, Directora, Dirección de Sanidad Animal Dirección General de Ganadería (DIGEGA), Ministerio de Agricultura, Santo Domingo, Dominican Republic

Summary

Report type

Immediate notification

Date of start of the event

30/09/2017

Date of confirmation of the event

18/10/2017

Report date

24/10/2017

Date submitted to OIE

26/10/2017

Reason for notification

Recurrence of a listed disease

Date of previous occurrence

26/02/2009

Manifestation of disease

Clinical disease

Causal agent

Low pathogenic avian influenza virus

Serotype

H5N2

Nature of diagnosis

Clinical, Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • ESPAILLAT ( Espaillat, Guanabano, Moca )

Total animals affected

Species

Susceptible

Cases

Deaths

Killed and disposed of

Slaughtered

Birds

48877

1953

1953

0

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

4.00%

4.00%

100.00%

4.00%


* 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

Abnormal mortality and drop of production were detected in a farm composed of 8 layer units, in a community of the province of Espaillat. The National reference laboratory (Central veterinary laboratory) confirmed the presence of avian influenza virus. Samples were sent to the National veterinary services laboratory, USA, and H5N2 presence was confirmed. Surveillance and control measures were taken in the focal area (1 km) and surveillance measures, in the perifocal area (3-5 km), including surveys, sampling and epidemiological investigation. Disposal of the eggs kept under quarantine has started. Stamping out of the whole susceptible population will be carried out. Thorough cleaning and disinfection will be carried out following fallowing. Intensive surveillance of the bird farms around the outbreak (3 km) will be maintained for three month.

Control measures

Measures applied

  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official destruction of animal products
  • Ante and post-mortem inspections
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied

  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
  • Process to inactivate the pathogenic agent in products or by-products

Diagnostic test results

Laboratory name and type

Central veterinary laboratory ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

agar-gel immunodiffusion (AGID)

11/10/2017

Positive

Birds

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