选取健康出生后35d,体重10～12g小白鼠雌雄各10只,雌雄分养,以含10％银耳多糖J_1的饲料喂养。雄鼠养至25d,开始银耳多糖J_1灌胃,2次/d,每次500mg/kg体重,给药60d,雌鼠养至71d,按与雄鼠同等剂量和方法给银耳多糖J_1灌胃,给药14d。在整个实验期间一 After 35 days of healthy birth, 10 male and 10 female mice weighing 10 to 12g were divided into male and female, fed with a feed containing 10% Tremella Polysaccharide J_1. The male rats were raised to 25 days and began to administer Tremella Polysaccharide J_1 intragastrically twice a day for 500 mg/kg body weight. After 60 days of administration, the female rats were raised to 71 days. The same dose and method as the male rats were given gavage of Tremella Polysaccharide J_1. Administration 14d. During the entire experiment period