EGF and fetal growth restriction: In summary, EGF has a positive effect on the growth performance and serum biochemical indexes of IUGR piglets; meanwhile, EGF could alleviate the intestinal injury of piglets caused by IUGR, which is indicated by the better intestinal morphology, enhanced intestinal glucose absorption capacity and antioxidant capacity, the improved intestinal barrier function, and the decreased intestinal inflammatory injury.