Fig. 2From: Soya saponin improves egg-laying performance and immune function of laying hensThe effect of SS on the gene mRNA levels about hypothalamus and ovary. The above A and B represented the results of gene mRNA levels about hypothalamus and ovary at the end of the trial. Among them, ** represents an extremely significant difference (P < 0.01), the same below (n = 8)Back to article page