摘要
[Objective] The paper was to explore the cause of disease with symptoms of swelling joint, blanc-loose stool and few deaths, so as to provide suggestions and effective measures for diagnosis and control of the disease in chicken farm. [Method] The diseased chick samples were collected for bacteriological examination. Through bacterial isolation culture, PCR identification, biochemical test and animal test, 5 strains of S. pullorum were identified. [Result] When the isolates were inoculated into SPF chicks, the same disease cases with natural infection could be reproduced. [Conclusion] S. pullorum is the major cause of the disease in chicken farm.
[目的]探索20日龄雏鸡出现有关节肿胀,拉白色稀粪和少量死亡等症状的疾病病因,为鸡场的疾病诊断和防治提供建议和有效措施。[方法]采集病鸡样品并进行了细菌学检验。通过细菌分离、PCR、生化试验和回鸡试验鉴定出5株鸡白痢沙门氏菌。[结果]用这些分离株感染SPF雏鸡,能复制出与自然感染一致的病例。[结论]鸡白痢沙门氏菌是造成该养殖场本次疾病的主要病原。
基金
Supported by National Natural Science Foundation of China (30871867)
Youth Fund Project of Beijing Academy of Agriculture and Forestry Science (QNJJ201012)~~
