An Analysis of Cross-Protection of Commercial IBV Vaccines against Locally Isolated Field Strains of Infectious Bronchitis Virus in Pakistan
An Analysis of Cross-Protection of Commercial IBV Vaccines against Locally Isolated Field Strains of Infectious Bronchitis Virus in Pakistan
Muhammad Shahid1*, Aamir Ghafoor1*, Masood Rabbani1, Hassan Mushtaq1 and Mumtaz Ali Khan2
Clinical signs (A), mortality (B), organs’ lesions (C) in experimental birds.