Fig. 9From: Soya saponin improves egg-laying performance and immune function of laying hensCorrelation analysis between serum biochemical indicators and egg production performance at the end of the trial. The results of correlation analysis between serum biochemical indicators and egg production performance at the end of the trial were showed in Fig. 9. Among them, * represents a significant difference (0.01 < P < 0.05)Back to article page