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氟苯尼考与黏菌素联用对猪大肠杆菌与链球菌的体外抗菌作用

Journal of Henan Agricultural Sciences(2008)

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Abstract
采用棋盘法,测定了氟苯尼考与黏菌素联用对猪大肠杆菌、链球菌分离株的体外抗菌活性。结果表明:猪大肠杆菌、链球菌分离株均对氟苯尼考呈现出耐药性,其最小抑菌浓度(MIC)为0.64~5.12 mg/L,大部分大肠杆菌分离株对黏菌素耐药,仅对其中一株有明显效果。棋盘法测得氟苯尼考与黏菌素联合对猪大肠杆菌、猪链球菌分离株的部分抑菌浓度(FIC)指数为0.031 26~0.140 63,均为协同作用。当浓度大于或等于0.16 mg/L时即呈现出协同作用。
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Key words
Streptococcus,Colistin,Antibacterial activity,Synergistic effect,Escherichia coli,Florfenicol
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