Objective:To assess the influence of Lactobacillus acidophilus on intestinal mucosal immunity in a mouse model of stress induced by auto-activity restriction.Methods:Male health BALB/c mice were divided into 4 groups.In normal control group(NC),the mice received balanced diet and water and were left undisturbed in their cages.In NC plus Lactobacillus acidophilus(NC + LA) group,the mice were given a suspension of LA with 10~8 CFU/d per mouse through intragastric administration under normal control condition....