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Are poultry or wild birds the main reservoirs for avian influenza in Bangladesh?

Hassan, Mohammad Mahmudul, Hoque, Md. Ahasanul, Debnath, Nitish Chandra, Yamage, Mat and Klaassen, Marcel 2017, Are poultry or wild birds the main reservoirs for avian influenza in Bangladesh?, Ecohealth, vol. 14, no. 3, pp. 490-500, doi: 10.1007/s10393-017-1257-6.

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Title Are poultry or wild birds the main reservoirs for avian influenza in Bangladesh?
Author(s) Hassan, Mohammad Mahmudul
Hoque, Md. Ahasanul
Debnath, Nitish Chandra
Yamage, Mat
Klaassen, MarcelORCID iD for Klaassen, Marcel orcid.org/0000-0003-3907-9599
Journal name Ecohealth
Volume number 14
Issue number 3
Start page 490
End page 500
Total pages 11
Publisher Springer
Place of publication Berlin, Germany
Publication date 2017-09
ISSN 1612-9210
Keyword(s) AIV
Antibodies
Domestic birds
Migratory birds
Resident wild birds
Spill back
Spillover
Science & Technology
Life Sciences & Biomedicine
Biodiversity Conservation
Ecology
Environmental Sciences
Biodiversity & Conservation
Environmental Sciences & Ecology
VIRUS H5N1
INFECTION
SURVEILLANCE
TRANSMISSION
AUSTRALIA
WATERFOWL
DYNAMICS
FLYWAY
MODELS
Summary Avian influenza viruses (AIV) are of great socioeconomic and health concern, notably in Southeast Asia where highly pathogenic strains, such as highly pathogenic avian influenza (HPAI) H5N1 and other H5 and H7 AIVs, continue to occur. Wild bird migrants are often implicated in the maintenance and spread of AIV. However, little systematic surveillance of wild birds has been conducted in Southeast Asia to evaluate whether the prevalence of AIV in wild birds is higher than in other parts of the world where HPAI outbreaks occur less frequently. Across Bangladesh, we randomly sampled a total of 3585 wild and domestic birds to assess the prevalence of AIV and antibodies against AIV and compared these with prevalence levels found in other endemic and non-endemic countries. Our study showed that both resident and migratory wild birds in Bangladesh do not have a particularly elevated AIV prevalence and AIV sero-prevalence compared to wild birds from regions in the world where H5N1 is not endemic and fewer AIV outbreaks in poultry occur. Like elsewhere, notably wild birds of the orders Anseriformes were identified as the main wild bird reservoir, although we found exceptionally high sero-prevalence in one representative of the order Passeriformes, the house crow (Corvus splendens), importantly living on offal from live bird markets. This finding, together with high sero- and viral prevalence levels of AIV in domestic birds, suggests that wild birds are not at the base of the perpetuation of AIV problems in the local poultry sector, but may easily become victim to AIV spill back from poultry into some species of wild birds, potentially assisting in further spread of the virus.
Language eng
DOI 10.1007/s10393-017-1257-6
Field of Research 0707 Veterinary Sciences
1117 Public Health And Health Services
0602 Ecology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30097405

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.