Avian Infectious Bronchitis Virus

Authored by: Vagner Ricardo Lunge , Aline Padilha de Fraga , Nilo Ikuta

Molecular Detection of Animal Viral Pathogens

Print publication date:  August  2016
Online publication date:  May  2016

Print ISBN: 9781498700368
eBook ISBN: 9781498700375
Adobe ISBN:


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Viral respiratory diseases are important causes of economic losses to the poultry industry worldwide. They are responsible for impaired growth of the flocks, reduced egg production, and quality, mortality, and slaughter downgrading. In addition, they may be associated with intercurrent bacterial infections, contributing to increased economic losses (including costs for diagnoses, vaccines, antimicrobials, and treatment). Two viral respiratory diseases (the very virulent Newcastle and the highly pathogenic avian influenza) have the potential to devastate poultry industry, but biosecurity efforts have kept the world′s main poultry-producing regions free of these pathogens. Three other viral respiratory diseases (infectious laryngotracheitis, swollen head syndrome, and infectious bronchitis [IB]) are highly prevalent and frequent in industrial poultry flocks worldwide. Of these, IB has been considered the most economically important [1].

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