Field Efficacy of an Attenuated Infectious Bronchitis Variant 2 Virus Vaccine in Commercial Broiler Chickens

Egyptian poultry suffer from frequent respiratory disease outbreaks associated with Infectious Bronchitis Virus (IBV) variant 2 strains (Egy/VarII). Different vaccination programs using imported vaccines have failed to protect the flocks from field challenge. Recent studies confirmed a successful pr...

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Bibliographic Details
Main Authors: Mohamed A. Elhady, Ahmed Ali, Walid H. Kilany, Wael K. Elfeil, Hytham Ibrahim, Ahmed Nabil, Ahmed Samir, Magdy El Sayed
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Veterinary Sciences
Subjects:
IBV
Online Access:http://www.mdpi.com/2306-7381/5/2/49