采用平板计数法统计肉鸡盲肠大肠杆菌和乳酸菌数量，观察白头翁对鸡肠道菌群影响，通过体内外试验验证白头翁素抑菌一致作用。
The number of cecal E. coli and lactic acid bacteria were counted by plate to study the impact of Pulsatilla chinensis on chickens intestinal flora . And then , determine the consistency of antibacterial role by the vivo and vitro test .
外翁