The aim of this study was to investigate the effects of Bacillus subtilis( BS) on plasma biochemical and immune indices and fecal microflora of finishing pigs. A total of 120 Duroc×Landrace×Yorkshire crossbred finishing pigs with an average body weight of( 62.90 ± 2.37) kg were randomly divided into 3 groups with 5 replicates per group and 8 pigs per replicate. The control group( group A) was fed a basal diet,and the experimental groups( groups B and C) were fed the basal diets supplemented with 100 and 200 mg/kg BS,receptivity. The preparat...