OIE:HIGHLY PATHOGENIC AVIAN INFLUENZA IN THAILAND Follow-up report No. 67
submited by kickingbird at Sep, 8, 2005 13:53 PM from OIE
Information received on 9 September 2005 from Dr Yukol Limlamthong, Director General, Department of Livestock Development, Ministry of Agriculture and Cooperatives, Bangkok:
End of previous report period: 1 September 2005 (see Disease Information, 18 [35], 289, dated 2 September 2005).
End of this report period: 8 September 2005.
Date of first confirmation of the event: 23 January 2004.
Nature of diagnosis: clinical, post-mortem and laboratory.
Details of new outbreaks:
First administrative division (province) | Lower administrative divisions | Type of epide-miolo-gical unit | Name of the location | Date of start of the outbreak | Spe-cies | Number of animals in the outbreaks | ||||
susceptible | cases | deaths | destroyed | slaugh-tered | ||||||
Kampaengphet | TungTong, SaiTongWattana | village | village No. 1 | 30 Aug. 2005 | avi | 92 | 67 | 67 | 25 | 0 |
Saraburi | PoneTong, NongKae | village | village No. 1 | 30 Aug. 2005 | avi | 30 | 30 | 18 | 12 | 0 |
Saraburi | NongKop, NongSaeng | village | village No. 1 | 1 Sept. 2005 | avi | 15 | 15 | 12 | 3 | 0 |
Saraburi | PoneTong, NongKae | village | village No. 4 | 5 Sept. 2005 | avi | 48 | 12 | 12 | 36 | 0 |
Description of affected population in the new outbreaks: native chickens raised in backyards or free ranging with minimal biosecurity.
Diagnosis:
Laboratories where diagnosis was made | Diagnostic tests used | Results |
National Institute of Animal Health and Regional Veterinary Research and Development Centres, DLD |
- agar-gel precipitation test; - haemagglutination test; - pathogen isolation by egg inoculation; - intracerebral pathogenicity index test. |
positive |
Source of new outbreaks: unknown or inconclusive.
Control measures undertaken:
- stamping out;
- quarantine;
- movement control inside the country;
- screening;
- zoning;
- disinfection of infected premises/establishments.
Vaccination prohibited: yes.
Other details/comments:
Thailand has been conducting the current nationwide surveillance since 1 July 2005.
There was one more province, i.e. Saraburi, affected during this week.
In this third wave to date, there have been 33 confirmed outbreaks in 5 provinces, since the second wave of HPAI re-occurrence that occurred from 3 July 2004 - 12 April 2005:
Affected province | No. of outbreaks |
Ayudhaya | 1 |
Chainat | 1 |
Kampaengphet | 9 |
Saraburi | 3 |
Suphanburi | 19 |
The five affected provinces are in the Central Poultry Zone of Thailand (see details and map in Disease Information, 18 [35], 290-291, dated 2 September 2005).
All cases involved either free-range poultry or poultry raised in farms with traditional husbandry practices with poor sanitation and insufficient biosecurity.
Affected population | No. of outbreaks |
native poultry | 25 |
quail | 3 |
fighting cocks | 2 |
laying hens | 1 |
laying ducks | 1 |
broilers | 1 |
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