sheep. Based on the growth-promoting and immunological effects of koumine, the present
study was conducted on Cyprinus carpio (C. carpio) with four KM concentrations: 0 mg/kg,
0.2 mg/kg, 2 mg/kg, and 20 mg/kg for 10 weeks, followed by a 1-week Aeromonas
hydrophila (A. hydrophila) infection experiment. The effect of KM on the immunity of A.
hydrophila infected carp was analyzed by histopathology, biochemical assay, and qRT-PCR …