研究长治鸡群大肠杆菌耐药状况、交叉耐药状况、多重耐药状况及是否出现超级大肠杆菌，同时为临床用药提供参考，减少用药成本，控制大肠杆菌的危害，增加养殖户的收入.剖解病死鸡，采集可疑病料进行细菌分离培养鉴定，通过药敏试验确定其耐药情况.试验结果：长治鸡群大肠杆菌对氨苄青霉素耐药程度83%；对红霉素耐药程度67%；对复方新诺明耐药程度50%；先锋V耐药程度50%；对诺氟沙星耐药程度50%；对万古霉素耐药程度50%；对氯霉素耐药程度33%；对庆大霉素耐药程度33%；对阿米卡星耐药程度17%；对环丙沙星耐药程度17%；对利福平耐药程度17%；对复达欣耐药程度17%；对新生霉素耐药程度为0.结论：长治鸡群分离出的6株大肠杆菌中的5株为多重耐药性大肠杆菌，目前未出现超级大肠杆菌.对常用抗菌药物中的青霉素类、大环内酯类、头孢类、喹诺酮类耐药程度达到50%以上，分别为83%、67%、50%、50%；对新药万古霉素的耐药程度也达到了50%.% The purpose of experiment is to study the Changzhi chicken group backwoods coli to bear the medicine condition multiple, bears the medicine condition whether appears the super backwoods coli, and to provide refer-ence for clinical medication, reducing medication costs, control of the Escherichia coli harm, for farmers to in-crease income. Analysis of dead chickens, collect suspicious disease materials for bacterial culture, drug sensitivi-ty test to determine their resistance. The results is Changzhi chicken Escherichia coli to ampicillin resistance level 83%;to erythromycin resistant level 67%;to cotrimoxazole resistance level 50%;to pioneer V resistant level 50%;to norfloxacin resistanct level50%;to vancomycin resistant level 50%;to chloramphenicol resistant level 33%;to Qing Da of spectinomycin resistant level 33%;to amikacin resistant level 17%;to ciprofloxacin resistant level 17%;to rifampicin resistant level 17%;to fortum resistant level 17%;to novobiocin resistant level 0. Changzhi chick-ens of 6 strains of Escherichia coli in 5strains of multiple resistance to antibiotics of Escherichia coli, it does not appear super Escherichia coli. To commonly used antimicrobial drugs in the penicillins, macrolides, cephalosporins, quinolone resistant degree reached more than 50%, respectively 83%, 67%, 50%, 50%; drug vancomycin resistance reached a level of 50%.
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