2Sahar. H. Abdulmaged1. K. H. ,. (2025). The Relative Change in Expression Level of Avian Pathogenic Escherichia coli -Associated Virulence Genes after Antibiotic Treatment. Iraqi Journal of Biotechnology, 24(2). Retrieved from https://www.jige.uobaghdad.edu.iq/index.php/IJB/article/view/855