规模化蛋鸡养殖场大肠杆菌耐药性调查
Guangdong Agricultural Sciences(2013)
Abstract
从南宁周边某蛋鸡养殖场病死的雏鸡、5~12周龄青年鸡和蛋鸡中采集病料20份进行病原菌的分离、鉴定、动物致病性试验和血清型测定。分离出18株致病性大肠杆菌,主要有O50、O133、O88、O8、O785个血清型。用25种抗菌药物进行药物敏感性试验,结果表明,80%的分离菌株对美罗培南、亚胺培南、头孢噻肟高敏;80%的分离菌株对氨苄西林、苯唑西林、大观霉素、四环素和氯霉素产生不同程度的耐药性;100%的分离菌株对多粘菌素B、复方新诺明和链霉素耐药,说明该养殖场大肠杆菌耐药性非常严重。
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Key words
chicken infected with E-coli,drug susceptibility,isolation,identification,drug tolerance
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