Key Findings

The study identified several AMR genes and mutations in Glaesserella parasuis isolates from South China, including bla ROB–1, catA3, floR, erm(T), tet(B), and tet(H) for resistance to amoxicillin, chloramphenicol, florfenicol, erythromycin, and tetracycline, as well as mutations in gyrA, parC, and parE for enrofloxacin resistance.