Detection and characterization of chicken astrovirus associated with hatchery disease in commercial day‑old turkeys in southwestern Nigeria

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dc.contributor.authorAdebiyi, Adebowale I.
dc.contributor.authorMcilwaine, Kerry
dc.contributor.authorOluwayelu, Daniel O.
dc.contributor.authorSmyth, Victoria J.
dc.date.accessioned2021-04-15T13:58:35Z
dc.date.available2021-04-15T13:58:35Z
dc.date.issued2021-03-23
dc.descriptionPublication history: Accepted - 25 January 2021; Published - 23 March 2021.en_US
dc.description.abstractInfectious diseases are a major obstacle to profitable poultry production in Nigeria due to the mortality and severe economic losses they cause. In particular, they are a potent threat to attainment of the food security goals of government and national self-sufficiency in food production. Thus, there is a need for continuous monitoring of the nation’s poultry population for these diseases. As part of an ongoing investigation of enteric viruses associated with poor performance or hatchery diseases in commercial poultry in southwestern Nigeria, intestinal contents from 97 condemned or runted day-old commercial turkey poults were examined for turkey astroviruses, infectious bronchitis virus, chicken astrovirus (CAstV), avian nephritis virus, avian rotavirus, avian reovirus, fowl adenovirus, and chicken parvovirus by virus isolation, electron microscopy (EM), polymerase chain reaction (PCR), and reverse transcription PCR. The samples were collected from five commercial hatcheries and five farms located in southwestern Nigeria. While all samples tested negative for other viruses, CAstV was detected in the majority (83.5%) of the birds, although some pleomorphic virus-like particles with surface projections that appeared fringed or fimbriated were observed in five of the cell culture samples by EM. Phylogenetic analysis revealed these CAstV strains belonged to the Bi clade. These findings not only implicate CAstV as the major cause of hatchery condemnations in commercial turkeys in southwestern Nigeria but also highlight the need for experimental studies to further establish its role in this disease condition.en_US
dc.identifierhttp://hdl.handle.net/20.500.12518/234
dc.identifier.citationAdebiyi, A. I., Mcilwaine, K., Oluwayelu, D. O. and Smyth, V. J. (2021) ‘Detection and characterization of chicken astrovirus associated with hatchery disease in commercial day-old turkeys in southwestern Nigeria’, Archives of Virology. Springer Science and Business Media LLC. doi: 10.1007/s00705-021-05034-w.en_US
dc.identifier.issn0304-8608
dc.identifier.urihttps://doi.org/10.1007/s00705-021-05034-w
dc.language.isoenen_US
dc.publisherSpringer Science and Business Media LLCen_US
dc.rights© The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021en_US
dc.titleDetection and characterization of chicken astrovirus associated with hatchery disease in commercial day‑old turkeys in southwestern Nigeriaen_US
dc.typeArticleen_US
dcterms.dateAccepted2021-01-25
dcterms.dateSubmitted2020-07-25

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