Avian Metapneumovirus Review: A Focus on Broilers

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Mernizi Amine; Fathi Hicham; Criado Juan Luis; Bouslikhane Mohammed; Ghram Abdeljelil; Mouahid Mohammed; Nassik Saadia

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Journal Paper

Paper Information

Journal: POULTRY SCIENCE JOURNAL Year:2023 | Volume:11 | Issue:1 Page(s): 1-17

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Title

Avian Metapneumovirus Review: A Focus on Broilers

Author(s)

Keywords

Broiler

vaccination

Epidemiology

Avian Metapneumovirus

Swollen head syndrome

Abstract

Avian Metapneumovirus infection first emerged in South African turkeys, followed by respiratory problems in chickens with a swollen head syndrome. The etiological agent is a Metapneumovirus in the Pneumoviridae family and the first pneumovirus identified in avian species. This virus causes respiratory and reproductive affections that are worsened in the presence of other pathogens. The present review summarized the current knowledge about the virus’s properties and spread, its different subtypes, and the immunological and pathological mechanisms, especially in the broilers. The diagnostic methods are based on serology and essentially ELISA to show and titer antibodies following infection in naïve birds. Molecular tools such as PCR aim to detect and subtype avian Metapneumovirus genetic material. Besides biosecurity, prevention relies mostly on good management and vaccination.

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