16种中药提取物对副猪嗜血杆菌的体外抗菌活性分析
Chinese Journal of Veterinary Science（2014）
Abstract
为筛选能有效控制副猪嗜血杆菌病的中药,本研究采用肉汤二倍稀释法和琼脂平板培养计数法探讨黄连等16种中药提取物对副猪嗜血杆菌的体外抗菌作用.结果显示,黄连和黄柏对副猪嗜血杆菌的抗菌效果最好,其最小抑菌浓度(minimum inhibitory concentration,MIC)和最小杀菌浓度(minimum bactericidal concentration,MBC)均为0.98 g/L;黄芩、虎杖、秦皮的MIC为1.95 g/L,抗菌效果较好;其次是蒲公英、连翘等10味中药,其MIC范围为3.90～62.50 g/L;而白鲜皮和紫花地丁的抗菌效果相对较差,MIC为125.00 g/L.
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