In this experiment we found that the check rate of eaeA positive EPEC in 20-30 day age, 30-55 day age, 55-80 day age were 0(0/5), 72.7%, 23.5% , respectively.

• 结果发现；在20-30日龄、30-55日龄、55-80日龄的腹泻幼兔中；携带LEE毒力岛的大肠埃希氏菌检出率分别分0(0/5)、72.；7%25(24/33)、23