三黄鸡卵黄性腹膜炎病原菌的分离鉴定与药敏试验

Animals Breeding and Feed(2020)

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Abstract
某蛋鸡场产蛋率持续下降,为了找到防治方法,对死亡鸡进行细菌分离鉴定及药敏试验.试验结果显示,获得5株分离菌;分离菌L-s-1、L-s-2与沙门氏菌的生化特性一致,分离菌L-d-1、L-d-2、L-d-3与大肠杆菌的生化特性一致;分离菌均对青霉素类、四环素类药物耐药,对氨基糖苷类、头孢菌素类药物敏感.从而得出:分离菌L-s-1、L-s-2为沙门氏菌,L-d-1、L-d-2和L-d-3为大肠杆菌;大肠杆菌与沙门氏菌混合感染引起卵黄性腹膜炎,导致产蛋率持续下降;分离菌高敏药物为庆大霉素、环丙沙星、头孢哌酮等.
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