Infectious bronchitis (IB) disease is one of the important
respiratory diseases of poultry that causes annually large
economic losses in poultry industry of Iran. The aim of this
study is molecular characterization of S1 gene of Iranian
infectious bronchitis viruse (IBV) belonged to 793/B
serotype. The whole S1 gene of three local IBV strains in
RT-PCR, showed a band above 1600 base pair ...
