中药四黄提取物对肉仔鸡小肠黏膜免疫效果的观察

本试验观察了中药四黄提取物对肉仔鸡小肠黏膜免疫的效果。试验选用204羽1日龄AA健康肉雏鸡，随机分为2组，试验组和对照组，每组102羽。中药四黄提取物按200 mg/kg添加到试验组肉鸡的基础日粮中，试验期为40 d。试验结束时,每组随机选取50羽鸡进行屠宰,采集鸡小肠组织样本。采用组织学方法观察中药四黄提取物对肉仔鸡小肠黏膜免疫的效果。结果表明，试验组鸡十二指肠黏膜内淋巴细胞分布比对照组明显增多；空肠黏膜内淋巴细胞分布比对照组更加密集；回肠黏膜和黏膜下层中淋巴细胞有明显聚集现象，且淋巴细胞数量比对照组显著增多。本试验结果说明中药四黄提取物作为饲料添加剂对肉仔鸡小肠黏膜免疫具有明显的促进作用。

The Observation of Effect in Chinese Herbs Sihuang Extract on Broile Small Intestines Mucosal Immune

The effect of Chinese herbs Sihuang extract on broile small intestines mucosa immunity were observated in this experiment,204 healthy AA chickens of 1 day old were selected to put into two groups randomly: experimental group and control group,102 chickens of each group.200 mg/kg Chinese herbs Sihuang extract was added to chickens' basic diet of the experimental group,the trial period lasted 40 days.At the end of experiment,50 chickens of each group were killed by random and gathering their small intestinal....