Comparative analysis on antioxidant capacity, immunity and mortality changes of pikeperch (Sander lucioperca) in response to mono-infection or co-infection with Nocardia seriolae and Aeromonas salmonicida - Junchen Li; Jing Wang; Zhipeng Sun; Ran Zhao; Xianhu Zheng; Shaowu Li; Cuiyun Lu; Di Wang (Aquaculture, 2026)