Eid, S. , Hashem, Y. , Al-Atfeeh, N.M. , Baz, H.A. , Mwafy, A. and Elmasry, D.M. 2023. Antibacterial Activities of Oregano- N-acetyl cysteine Nanocomposite against Multidrug-resistant Riemerella anatipestifer Isolated from Ducks. Journal of Advanced Veterinary Research. 13, 7 (Aug. 2023), 1325-1329.