Antibiotic susceptibility of opportunistic pathogens in poultry egg farms A.S. Krivonogova, A.G. Isaeva, E.A. Loginov, K.V. Moiseeva and I.M. Donnik BIO Web Conf., 66 (2023) 09002 Published online: 08 September 2023 DOI: 10.1051/bioconf/20236609002