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Bluetongue,
Israel |
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Information received on 27/08/2009 from Dr Moshe Chaimovitz, Director , Veterinary Services and Animal Health, Ministry of Agriculture and Rural Developement, BEIT DAGAN, Israel
Summary
| Report type |
Immediate notification (Final report) |
| Start date |
19/07/2009 |
| Date of first confirmation of the event |
27/08/2009 |
| Report date |
27/08/2009 |
| Date submitted to OIE |
27/08/2009 |
| Date event resolved |
31/07/2009 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
12/2008 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Bluetongue virus |
| Serotype |
8 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced) |
| This event pertains to |
the whole country |
New outbreaks
| Outbreak 1 (Ayelet Hashachar) |
Ayelet Hashachar, Tsefat, HAZAFON |
| Date of start of the outbreak |
19/07/2009 |
| Outbreak status |
Resolved (31/07/2009) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species | Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Cattle | 300 |
200 |
0 |
0 |
0 |
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| Affected Population |
The outbreak occurred in a dairy herd. Only young cows were affected (first and second milking). No clinical signs were observed in older cows. The clinical signs were: redness of the udder, edema of the nipple, high somatic cells in milk, low milk production, redness and swallowing of the fetlock, salivation. The length of the disease in each cow was 2-3 days. |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Cattle |
66.67% |
0.00% |
0.00% |
0.00% |
* Removed from the susceptible population through death, destruction and/or slaughter |
Epidemiology
| Source of the outbreak(s) or origin of infection |
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| Epidemiological comments |
The old cows that were not sick passed an outbreak of EHDV in 2006. Sample of one cow was detected to be positive for BTV8. |
Control measures
| Measures applied |
- Control of arthropods
- Screening
- No vaccination
- No treatment of affected animals
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| Measures to be applied |
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Diagnostic test results
| Laboratory name and type |
Kimron Veterinary Institute, Virology laboratory (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Cattle |
enzyme-linked immunosorbent assay (ELISA) |
01/08/2009 |
Positive |
| Cattle |
pathogen isolation by egg inoculation |
01/08/2009 |
Positive |
| Cattle |
polymerase chain reaction (PCR) |
06/08/2009 |
Positive |
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| Laboratory name and type |
Pirbright laboratory (OIE’s Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Cattle |
reverse transcription - polymerase chain reaction (RT-PCR) |
21/08/2009 |
Positive |
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Future Reporting
| The event is resolved. No more reports will be submitted. |
Map of outbreak locations
| Location of current outbreaks |
Click on map to zoom in. |
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