Crayfish plague (Aphanomyces astaci),
Israel
Information received on 15/12/2013 from Dr Nadav Galon, Director, Veterinary Services and Animal Health, Ministry of Agriculture and Rural Development, BET DAGAN, Israel
Summary
Report type Immediate notification
Date of start of the event 01/04/2013
Date of pre-confirmation of the event 29/11/2013
Report date 15/12/2013
Date submitted to OIE 15/12/2013
Date event resolved 31/12/2013
Reason for notification First occurrence of a listed disease
Manifestation of disease Sub-clinical infection
Causal agent Aphanomyces astaci
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (15/12/2013)
Follow-up report No. 1 (16/03/2014)
New outbreaks (1)
Outbreak 1 BET YIZHAQ-SH. HEFER, HaSharon, HAMERKAZ
Date of start of the outbreak 01/04/2013
Outbreak status Resolved (31/12/2013)
Epidemiological unit Farm
Water type Fresh water
Population type Farmed
Production system Closed
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Destroyed Slaughtered
Crayfish (Procambarus alleni ) 0 (scale 0 to 5) 0 (scale 0 to 5) 50000 0 49000
Affected population The population is reared in a closed system. No clinical signs have been seen.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Crayfish (Procambarus alleni ) 50000 ** 0 49000
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Crayfish (Procambarus alleni ) ** 0.00% ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Quarantine
  • Movement control inside the country
  • No vaccination
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Experimental Zooprophylactic Institute (Venezie), Fish Pathology Department (Foreign laboratory) Crayfish (Procambarus alleni ) polymerase chain reaction (PCR) 29/11/2013 Positive
Experimental Zooprophylactic Institute (Venezie), Fish Pathology Department (Foreign laboratory) Crayfish (Procambarus alleni ) real-time PCR 29/11/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations