大豆异黄酮对早期断奶仔猪生长性能、抗氧化功能及肠粘膜形态结构的影响

林厦菁,陈芳,蒋守群,蒋宗勇

Effects of Soybean Isoflavones on Growth Performance, Antioxidant Performance and Intestinal Morphology of Early-Weaned Piglets

LIN XiaJing,CHEN Fang,JIANG ShouQun,JIANG ZongYong

表5 大豆异黄酮对断奶仔猪小肠抗氧化指标变化的影响

Table 5 Effects of soy isoflavone on small intestinal antioxidation indices of weaned piglets

组别 Group 大豆异黄酮添加水平 Dietary soy isoflavone addition level (mg·kg-1) 0 10 20 40 80 断奶后7 d Day 7 after weaning 丙二醛含量MDA content (nmol·mg-1 protein) 0.21±0.02 0.25±0.04 0.25±0.03 0.18±0.02 0.21±0.03 超氧化物歧化酶活性SOD activity (U·mg-1 protein) 38.22±3.11 51.51±5.23 53.41±6.37 40.83±4.25 39.97±3.54 谷胱甘肽过氧化物酶活性GSH-Px activity (U·mg-1 protein) 26.08±2.88 29.28±3.03 22.10±1.93 19.99±1.98 25.25±2.22 金属硫蛋白含量MT content (nmol·g-1protein) 5.81±0.74 7.07±1.08 6.48±1.95 4.66±0.53 4.97±1.14 断奶后42 d Day 42 after weaning 丙二醛含量MDA content (nmol·mg-1 protein) 0.27±0.06 0.18±0.04 0.17±0.02 0.20±0.02 0.21±0.03 超氧化物歧化酶活性SOD activity (U·mg-1 protein) 39.04±4.49b 48.21±3.84ab 47.28±2.90ab 52.26±1.90a 50.37±3.40a 谷胱甘肽过氧化物酶活性GSH-Px activity (U·mg-1 protein) 21.07±2.67b 23.68±3.20b 26.62±2.21ab 36.19±2.99a 25.70±3.14ab 金属硫蛋白含量MT content (nmol·g-1 protein) 8.79±0.95b 15.95±1.18a 13.30±1.53ab 12.22±1.78ab 11.05±1.76ab