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. 2019 Aug 12;10:73. doi: 10.1186/s40104-019-0371-4

Fig. 2.

Fig. 2

Serum procalcitonin (a) and arginine (b) concentrations of broiler chickens. CON group, received a basal diet; ARG group, fed a basal diet supplemented with 3 g/kg arginine; CON+CP group, received a basal diet and underwent C. perfringens challenge; ARG + CP group, given a basal diet supplemented with 3 g/kg arginine and underwent C. perfringens challenge. The results are expressed as means ± SEM (n = 8). Different letters indicate significant differences for the interaction effect (P ≤ 0.05)