OIE: Highly pathogenic avian influenza, Croatia

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.

See Also:

http://www.oie.int

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