[Source: OIE, full PDF document: (LINK). Edited.]
Low pathogenic avian influenza (poultry), Mexico
Information received on 22/06/2012 from Dr Hugo Fragoso S?nchez, Director general de salud animal, Servicio nacional de sanidad, inocuidad y calidad agroalimentaria (SENASICA), Secretar?a de Agricultura, ganader?a,desarrollo rural, pesca y alimentaci?n (SAGARPA), Mexico, Mexico
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Low pathogenic avian influenza (poultry), Mexico
Information received on 22/06/2012 from Dr Hugo Fragoso S?nchez, Director general de salud animal, Servicio nacional de sanidad, inocuidad y calidad agroalimentaria (SENASICA), Secretar?a de Agricultura, ganader?a,desarrollo rural, pesca y alimentaci?n (SAGARPA), Mexico, Mexico
- Summary
- Report type Immediate notification
- Start date 13/06/2012
- Date of first confirmation of the event 21/06/2012
- Report date 21/06/2012
- Date submitted to OIE 22/06/2012
- Reason for notification First occurrence of a listed disease
- Manifestation of disease Clinical disease
- Causal agent Low pathogenic avian influenza virus
- Serotype H7
- Nature of diagnosis Laboratory (basic)
- This event pertains to a defined zone within the country
- New outbreaks
- Summary of outbreaks
- Total outbreaks: 3
- Location(s) - JALISCO (Tepatitlan de Morelos, Pegueros; Acatic, Tierras Coloradas; Tepatitlan de Morelos, Valle de Guadalupe)
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds ? 1042039 ? 587160 ? 211242 ? 60000 ? 0
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Location(s) - JALISCO (Tepatitlan de Morelos, Pegueros; Acatic, Tierras Coloradas; Tepatitlan de Morelos, Valle de Guadalupe)
- Total outbreaks: 3
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - 56.35% - 20.27% - 35.98% ? **
- * Removed from the susceptible population through death, destruction and/or slaughter
- ** Not calculated because of missing information
- Summary of outbreaks
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- Epidemiological comments
- An epidemiological investigation is being conducted.
- The event includes 3 commercial layer farms.
- The birds showed: gasping, depression, lethargy, drooping wings, prostration, fever and death.
- The birds are 32, 72, 75, 84 and 94 weeks old.
- Isolates are being tested by intravenous pathogenicity test to determine their pathogenicity and by gene sequencing.
- Epidemiological investigation is on-going to establish the extent of the problem and the source of infection in order to implement additional measures to rapidly resolve the problem.
- Additional sampling is underway to identify the possible presence of other pathogens involved in the outbreaks.
- Note by the OIE Animal Health Information Department:
- H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2011).
- Control measures
- Measures applied
- Quarantine
- Movement control inside the country
- Screening
- Zoning
- Disinfection of infected premises/establishment(s)
- Modified stamping out
- No vaccination
- No treatment of affected animals
- Measures to be applied
- Stamping out
- Measures applied
- Diagnostic test results
- Laboratory name and type Biosecurity Laboratory Level 3 (National laboratory)
- Tests and results: Species ? Test - Test date ? Result
- Birds - virus isolation - 21/06/2012 ? Positive
- Tests and results: Species ? Test - Test date ? Result
- Laboratory name and type Biosecurity Laboratory Level 3 (National laboratory)
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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