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2024-11-23 16:50:54


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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