To investigate the protective effects of microbe-derived antioxidant(MA)on antioxidant ability and LPS-induced injury in rats,100 male SD rats with similar body weight were randomly divided into four groups including the control,LSP,LSP + 0.5 MA and LSP + 1.0 MA.All rats were fed basal diets and added 0.5 mL/n/d MA and 1.0 mL/n/d MA in LSP + 0.5 MA group and LSP + 1.0 MA group,respectively;On the 29 thday of the trial,the rats of damage groups(LSP,LSP +0.5MA,LSP +1.0MA)were intraperitoneally injected 3 mg/k...