Ecuadorian mainland industrial poultry production is free of H5/H7 Avian influenza virus: National surveillance program in 2016

Avian influenza (AI) is a disease caused by influenza viruses type A that belong to the Orthomyxoviridae family. AI induces high economic losses in poultry production worldwide. Due to a possible outbreak, a national surveillance program was needed. From April to July 2016, 152 industrial poultry fa...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2019, Vol.81(11), pp.1597-1600
Main Authors: MEDINA, José Luis, LUGO, Katherine, VARGAS, Javier, MORALES, Nataly, BURGOS, Ana, MARTÍNEZ, Evelyn Pamela, ORTEGA-PAREDES, David, REVELO, María
Format: Article
Language:English
Subjects:
Animals
Avian flu
Avian Pathology
broiler
Cross-Sectional Studies
Ecuador
Ecuador - epidemiology
Enzyme-Linked Immunosorbent Assay - veterinary
Farms
Hemagglutination inhibition
Hemagglutination Inhibition Tests - veterinary
high pathogenicity avian influenza
Influenza
Influenza A virus - isolation & purification
Influenza in Birds - epidemiology
laying hens
low pathogenicity avian influenza
Orthomyxoviridae
Poultry
Poultry Diseases - epidemiology
Poultry Diseases - virology
Poultry farming
Seroepidemiologic Studies
Serotyping
Surveillance
Viruses
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Summary:Avian influenza (AI) is a disease caused by influenza viruses type A that belong to the Orthomyxoviridae family. AI induces high economic losses in poultry production worldwide. Due to a possible outbreak, a national surveillance program was needed. From April to July 2016, 152 industrial poultry farms were randomly sampled. All samples were analyzed by competitive ELISA for Influenza type A viruses. Suspicious and positive sera were further analyzed by Hemagglutination Inhibition (HI) in order to serotype H5 or H7 low pathogenic avian influenza virus (LPAIV). The farms sampled showed 94.08%, 3.95% and 1.97% of negative, positive and suspicious results, respectively. However, serotyping revealed all positive and suspicious samples were negative to H5/H7 LPAIV. Our results show the absence of AI in the mainland Ecuadorian industrial poultry production.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.19-0253