Fig. 5.

The effects of mangosteen extract supplementation on laying hen production performance and egg quality. (A) Egg weight and yolk weight. (B) Shell weight and shell strength. (C) Albumen height and yolk color. (D) Daily production per laying hen (pieces/hen). Additive used as a control is a composite probiotic preparation (including Bacillus subtilis, lactic acid bacteria, etc.), with an addition amount of 0.2 %. Data presented as mean ± s.d, n = 6. P-values were calculated using one-way ANOVA.