[Objectives]To investigate the effects of dietary concentrations of choline and intrauterine growth retardation(IUGR) on muscle glycolysis of pigs.[Methods]Twelve normal body weight(NBW) piglets and twelve IUGR piglets were selected according to birth weight.At weaning(23 days of age),both NBW and IUGR piglets were fed based diet(normal choline,NC) or high choline diet(HC).Thus,all piglets were distributed into 4 treatments(NBW + NC,NBW + HC,IUGR + NC and IUGR + HC) × 6 piglets.[Results]The glycogen of IUGR...