The results indicated that the positive sample of Shigellae infection amounts to 28.3%(155/547)-33.7%(226/670),far higher than those by pullorosis(1.4%).

• 结果表明:我国部分地区存在有鸡志贺氏菌感染；其血清抗体阳性率较高；达28.；3%25(155/547)~33