OIE: Low pathogenic avian influenza (poultry), United Kingdom
submited by kickingbird at Dec, 12, 2019 17:52 PM from OIE
| Information received on 11/12/2019 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom | |
|
Summary
| Report type |
Immediate notification |
| Date of start of the event |
04/12/2019 |
| Date of confirmation of the event |
10/12/2019 |
| Report date |
11/12/2019 |
| Date submitted to OIE |
11/12/2019 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
20/01/2016 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Low pathogenic avian influenza virus |
| Serotype |
H5 |
| Nature of diagnosis |
Laboratory (advanced) |
| This event pertains to |
a defined zone within the country | |
|
|
| Outbreak 1 (AIV 2019/01) |
Mid Suffolk, England |
| Date of start of the outbreak |
04/12/2019 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
27000 |
|
0 |
|
0 | |
| Affected population |
Flock of approximately 27,000 (45 weeks in lay) housed broiler breeder chickens. | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
27000 |
** |
0 |
|
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
** |
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 |
|
| Epidemiological comments |
Following reports of a drop in egg production, a veterinary inquiry was undertaken and official tests identified the presence of H5 LPAI. Stamping out is underway. Disposal of the birds, cleansing and disinfection are being arranged. Updates will be provided in the weekly reports as further information becomes available. | |
|
|
Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Screening
- Traceability
- Quarantine
- Zoning
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Stamping out
- Disinfection
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
haemagglutination inhibition test (HIT) |
09/12/2019 |
Positive |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
intravenous pathogenicity index (IVPI) test |
|
Pending |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
neuraminidase inhibition assay |
|
Pending |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
nucleotide sequencing |
10/12/2019 |
Positive |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
10/12/2019 |
Positive |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
virus isolation |
|
Pending | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | | [Go Top] [Close Window]
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