This study was conducted to investigate the effect of N-carbamoylglutamate (NCG) on growth performance, diarrhea and serum biochemical indices of weaned piglets.A total of 288 (DurocxLandracexYorkshire) 21 day-old crossbred healthy piglets with same breed,similar parity and weight were selected.They were randomly divided into 6 groups,6 repeats each group (half nmnber males and half number females),8 piglets each repeat.The each experimental group were added 0,0.02%(Group Ⅰ ),0.04%(Group Ⅱ ),0.06%(Group Ⅲ) ,0.08%(Group Ⅳ) and ...