The intestinal epithelium is continuously exposed to potentially harmful antigens, pathogens, toxins and air pollutants,......

选用临床检查健康的（26±2）日龄“杜×长×大”三元杂交断奶仔猪100头，按体质量和性别随机分为5组，每组20头，分别饲喂基础......

试验旨在研究壳寡糖对断奶仔猪生长性能、血清抗氧化指标及肠道微生物菌群的影响。选取300头（6．71±0．19）kg“杜×长×大......