Viral Haemorrhagic Septicaemia in Romania

OIE Disease Information (on-line)
(Date of previous outbreak of viral haemorrhagic septicaemia in Romania reported to the OIE: 1996).

Immediate notification report

Information received on 3 March 2006 from Dr Gabriel Predoi, Director General, National Sanitary Veterinary and Food Safety Authority, Bucharest

Report date:
3 March 2006.

Reason for immediate notification:
re-occurrence of a listed disease or infection in a country or zone/compartment following a report declaring the outbreak(s) ended.

Identification of agent:
viral haemorrhagic septicaemia virus.

Date of first confirmation of the event:
2 March 2006.

Date of start of the event:
15 January 2006.

Clinical disease:

Nature of diagnosis:

Details of outbreak:
First administrative division (county):
Arges. Lower administrative division ( district): Izvoru. Type of epide-miolo-gical unit: natural lake. Name of the location: Izvoru farm lake. Date of start of the outbreak: 15 January 2006. Species: pis.
Number of animals in the outbreak: susceptible - 3 tons; cases - 2.4 tons; deaths - 1 ton; destroyed - 0; slaughtered - 0

Description of affected populations: rainbow trout( Oncorhynchus mykiss )and grass carp( Ctenopharyngodon idella ). The farm pond has an area of 6,000 m², divided into 8 pools, and was populated with almost 3 tons of fish. The morbidity rate is 80% and the mortality rate is between 35 and 40%. The farming system was intensive.

Diagnosis: Laboratory where diagnostic tests were performed:
Institute for Diagnosis and Animal Health (national reference laboratory for fish diseases); Species examined: fish; Diagnostic tests used: - ELISA (on cell lines BF2 and EPC); Date: 2 Feb. 2006; Results: positive

Source of outbreak or origin of infection:
the rainbow trout originated from embryonated spawn, imported from Denmark, introduced into the pond in March 2005, without the approval of the Sanitary Veterinary and Food Safety Directorate in Arges. We have no data about the origin of the grass carp.

Control measures

- quarantine;
- emergency harvest;
- tracing forward;
- tracing back;
- surveillance outside containment and/or buffer zone;
- official disposal of carcasses, by-products and waste;
- decontamination of premises/disinfection;
- zoning;
- within-country movement controls.

Treatment of affected animals:

Other details/comments:

Emergency harvest of the fish will begin during the coming days, in accordance with the Ministry of Agriculture, Food and Forestry (MAAP) 241/2002 Order, which establishes the minimum measures for the control of specific fish diseases and the animal health standards related to the marketing for fish and fish products. The affected pools will be drained in the near future.

Final report: