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2024-3-29 21:13:27


OIE: Highly pathogenic avian influenza, Croatia
submited by kickingbird at Mar, 18, 2017 15:28 PM from OIE

Information received on 17/03/2017 from Dr Damir Agi?i?, Assistant to Minister, Chief Veterinary Officer, Veterinary and Food Safety Directorate, CRO Ministry of Agriculture, ZAGREB, Croatia

Summary

Report type

Immediate notification

Date of start of the event

08/03/2017

Date of confirmation of the event

15/03/2017

Report date

17/03/2017

Date submitted to OIE

17/03/2017

Reason for notification

New strain of a listed disease

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N5

Nature of diagnosis

Clinical, Laboratory (basic), Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 4

Outbreak Location

  • KRAPINSKO-ZAGORSKA ( Spickovina 1, Spickovina, Zabok Spickovina 2, Spickovina, Zabok Spickovina 3, Spickovina, Zabok Spickovina 4, Spickovina , Zabok )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

65

65

43

22

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

100.00%

66.15%

66.15%

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

Suspicion on the disease for two neighbouring holdings (Spickovina 1 and Spickovina 2) was notified at the same time on the 8th March 2017 following an increased mortality in birds (all poultry heads on both holdings were found dead). According to the observation of authorised veterinarian on the neighbouring area there are two small ponds on which wild ducks gather. AI subtype H5N5 in poultry was confirmed on the 13th March 2017. Following the confirmation of AI, the measures were applied on 15 holdings on 14th March 2017, and approximately 248 poultry heads were killed and destroyed. Three neighbouring holdings were additionally tested and two (out of three; Spickovina 3 and Spickovina 4) reacted positively to avian influenza. There were no clinical signs (including mortality) on those holdings. Virus sequencing was finished on the 15th March; highly pathogenic avian influenza is confirmed.

Conducting of measures according to the Directive 2005/94 is still ongoing.

Control measures

Measures applied

  • Disinfection / Disinfestation
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Vaccination prohibited
  • No treatment of affected animals

Measures to be applied

  • No other measures

Diagnostic test results

Laboratory name and type

Croatian Veterinary Institute, Poultry Centre ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

polymerase chain reaction (PCR)

13/03/2017

Positive

Birds

virus sequencing

15/03/2017

Positive

Future Reporting

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

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