Tahmasbi Ghasabsaraei, K.; Miri Ahoodashti, H.; Shateri, S. .; Alipour, M.; Barari, M. Molecular Characterization of Plasmid-Mediated Fluoroquinolone Resistance Genes (qnr, OqxAB, aac(6′)-Ib-Cr, QepA) in Avian Pathogenic Escherichia Coli from Broiler Flocks With Colibacillosis in Northern Iran. J Poult Sci Avian Dis 2025.