avian influenza surveillance in poultry of thailand · 2018. 11. 20. · 29/10/53 3 overview of...

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Avian Influenza Surveillance in Poultry of Thailand

A i Di S b di i iAvian Disease Sub-divisionBureau of Disease Control and Veterinary Services

Department of Livestock Development Ministry of Agriculture and Cooperatives

Thailand.

A i I fl I Th il dAvian Influenza In Thailand

Structure of Veterinary services

National Avian Influenza Surveillance

in Thailandin Thailand

Outbreak response

Reporting system

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AVIAN INFLUENZA AVIAN INFLUENZA IN THAILANDIN THAILAND

Situation of HPAI in Thailand during 2004 - 2008

Outbreaks and affected Areas 2004 2005 2006 2007 2008

Numbers of Outbreak

1740 194 2 4 4

Sub-district 797 110 2 4 4

District 298 58 2 4 4

Province 60 21 2 4 4

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OVERVIEW OF AVIAN INFLUENZA IN THAILANDOVERVIEW OF AVIAN INFLUENZA IN THAILAND

HPAI Outbreaks in 2008

III - Sukhothai (9 November 08)5 5 of of 17 17 Native chickenNative chicken

II - Pichit (25 January 08)30 30 of of 70 70 Native chickenNative chicken

I Nakornsawan (23 January 08)I - Nakornsawan (23 January 08)44,,115 115 of of 5959,,740 740 BroilerBroiler

IV - Uthaithanee (10 November 08)5 5 of of 7 7 Native chickenNative chicken

Types of Poultry Affected with H5N1

AVIAN INFLUENZA IN THAILANDAVIAN INFLUENZA IN THAILAND

Type of Poultry 2004 2005 2006 2007 2008 Total %

Backyard Chicken 1000 153 1 2 3 1159 59.61

Duck 477 20 1 498 25.61

Broiler 109 5 1 115 5.91

Layer 90 8 1 1 100 5.14

Quail 40 7 47 2.41

Geese 15 1 16 0.82

Others 9 9 0.46

Total outbreaks 1740 194 2 4 4 1944 100

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HPAI Disease Control Measures :

- Depopulation at the affected premises, - Compensation 75 % of the local market price- Disinfection of premises & infected materials- Disposal of carcasses, products & infected materials- Quarantine the suspected premises & surroundings - Movement control in the radius of 10 km, 30 daysMovement control in the radius of 10 km, 30 days After the Notifiable Avian Influenza (NAI) is confirmed.

- Daily active clinical surveillance + Actions taken & Reporting


A ti ill t l t t i ll (OIE)

HPAI Disease Control Measures :

- Active surveillance, at least twice annually (OIE)

- all kinds of poultry- all types of management- focusing the high risk areas

- Coordination & Cooperation with authorities:-- Min of Public Health – active clinical surveillanceMin of Public Health active clinical surveillance - Min of Environment & Natural Resources - wildbirds- Prov. Governor – immediate compensation funding

- Public awareness & special Campaigns, occasionally

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WildbirdsVCD

Various Types of Public Awareness Materials

ManualsWarning Notice along Roadside

STRUCTURE OF VETERINARY SERVICESSTRUCTURE OF VETERINARY SERVICESIN THAILANDIN THAILAND

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Bureau of Disease Control and Veterinary Services, DLD, Thailand

Administrative Livestock Regions


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DLD Animal Health LaboratoriesDLD Animal Health LaboratoriesLam pa ng

Phitsan ulok

Khon ka n

Surin

Chon buri

NIAH at Bang kok

Ratch abu ri

1. NIAH2. 7 Regional

Veterinary Research & Development Centers

Nakhons itham m a ra t


Avian Influenza Surveillance in Thailand

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Avian Influenza surveillance in Thailand

Avian Influenza Definition

A ti d P i S ill


Active and Passive Surveillance

Avian Influenza definitionAvian Influenza definition

As declaration of DLD on July 1, 2005, Avian I fl (AI) d fi iti h b l ifi dInfluenza (AI) definition has been classified into 2 categories as follows:

AI suspected cases

15 June 2010 16HPAI Control in Thailand / P. Chinson DVM.

AI confirmatory cases

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AI suspected poultry

On poultry farms, if poultry have died at least 1% within 2 days or the water and feed consumption rates have decreased 20% in 1 day or


day orBackyard poultry have died at least 5% within 2 days


AI suspected poultry (continued)As mentioned previously together with

• Sudden death


• Respiratory distress, swelling of face and tearing.

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AI suspected poultry (continued)

• Seizure and neck sprain

• Diarrhea, depress, Inappetite, reduction of


eggs, egg deformities, ruffled feathers, petechial haemorrhages on shanks and cyanosis of wattles and combs.

Sudden death


Sudden death


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Respiratory distress, swelling of face


esp o y d s ess, swe g o ceand tearing.


Seizure and neck sprain




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Diarrhea, depress, Inappetite, reduction of eggs, d f i i ffl d f h hi l h h


egg deformities, ruffled feathers, petechial haemorrhages on shanks and cyanosis of wattles and combs.



AI confirmatory ltpoultry

Influenza A virus: H5 and H7

Low pathogenic avian influenza (LPAI)

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Active surveillanceActive surveillance

DLD personnel

Si k/D d lSick/Dead poultry in a household DLD officials to visit the

affected premises /village for

investigation & sampling

Passive surveillancePassive surveillance

Sick/Dead poultry in a household Local DLD

Owner/ Volunteerto report

officials to notify

authorities concerned

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National Avian Influenza Surveillance System for Poultry in Thailand, 2010

Type of poultry status of farm Clinical Laboratory surveillance

surveillance cloacal swab Serum

During rearing period

beforemovement

1. compartmentalization To certify as NAI √ √ - √

free compartment

To maintain the √ - - √

NAI free

Buffer zone √ √ - √

2.Standard Breeder/Layer √ √ - -

certificated farm Broiler √ √ - -

3. farm other than Breeder/Layer √ √ √ -

standard certificated farm Broiler √ - √ -

National Avian Influenza Surveillance System for Poultry in Thailand, 2010

Type of poultry status of farm Clinical Laboratory surveillance

surveillance cloacal swab Serumsurveillance cloacal swab Serum

During rearing period

beforemovement

4.Rearing place rearing place that

for Native chicken/Fighting had certified in √ √ - √

cocks/pet birds that has Biosecurity standard

certified in biosecurity


5. Backyard chicken including Native chicken

poultry that not rearing as fighting cocks √ √ √ -

farm

6.Grazing ducks - √ √ √ -

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Results of Avian Influenza Surveillance

Month Year The number The number of of samples Positive results

Feb

July

F b

2008

2008

2009

45,882

44,891

61 052

0

0

0Feb

July

Jan

2009

2009

2010

61,052

54,083

26,060

0

0

0

SURVEILLANCE NETWORK IN THAILAND

30

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• Restocking after 90 days

Index case

5 Km. 5 Km.

after 90 days of stamping‐out the last animals and disinfecting completion

31

AI Reporting systemAI Reporting systemRKRK1 1 (Suspected case report)(Suspected case report)

Verified Case Definitions

Direct Notified

Online Report RK1

Samples

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AI Reporting SystemAI Reporting System

Online Report

RK1 (Suspected cases)

Samples

RK1

Verified

D il R t

Verified

Positive confirm case

Daily Report

Thank you

for your attention

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Questions

avian influenza surveillance in poultry of thailand · 2018. 11. 20. · 29/10/53 3 overview of...

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