N-carbamylglutamate (NCG) and arginine were investigated with their effects on growth performance and maintain intestinal health in early-weaned piglets. Eighty-nine Landrace×Yorkshire piglets from 12 pens (average pen weight 5.56±0.51 kg; weaned at 21 d) were grouped into 3 treatment groups and fed one of the following diets for 7 days: a standard diet (SD), SD+NCG (0.08%), or SD+Arg (0.6%). Six piglets were randomly selected from each group and slaughtered. Compared with the control group, NCG and Arg each significantly increased ADG and ...