The aim of this study was to investigate the protective effect of glycine(Gly)on injury of intestinal mucosal barrier induced by lipopolysccharide(LPS)in weaned pigs.Twenty-four pigs weaned at 21 d of age were randomly divided into four groups:control group(basal diet),LPS group(basal diet+LPS),1.0%Gly group(basal diet+1.0%Gly+LPS),and 2.0%Gly group(basal diet+2.0%Gly+LPS).Pigs were acclimated for 7 days to experimental conditions and fed control diet.The experiment lasted for 28 days.On d 28 of the trial,pigs were injected intraperitoneally wi...