Fig. 1
From: Soya saponin improves egg-laying performance and immune function of laying hens
The effects of SS on laying rate and body weight of laying hens. The above A, B, C, and D represented the results of body weight, egg production rate, average egg production rate, the ratio of feed to egg (FCR), and average egg weight during the experiment. Among them, * was judged as a significant difference (0.01 < P < 0.05), the same below, (n = 6)