This study was conducted to determine the effects of dietary oxidized fish oil(OFO) and the intervention of soybean isoflavones(SI) supplementation on growth performance,intestinal mucosal oxidation-related indicators,immune factors,and co-oxidation and immune-related factors in neonatal piglets,and to explore the effects of oxidative stress on growth and intestinal immune response in neonatal piglets.The neonatal piglets(n=96,4 day old) were selected and divided into four groups.They were fed 5% fresh fish...