奶牛乳房炎凝固酶阴性葡萄球菌耐药性分析

Abstract

Abstract: In this study, pathogenic epidemiology of subclinical mastitis in part of Jiangsu province dairy farms was investigated. It included sampling, bacteria cultivation, gram staining, microscopy observation and biochemical identification. 35 strains of coagulase-negative Staphylococcus (CNS) were isolated. Results of drug sensitivity test showed that 60% to 80% of CNS isolates were highly sensitive to clinical commonly used antibiotics like vancomycin, clarithromycin, benzene azole pennicillin, norfloxacin, chloromycetin, ciprofloxacin, cefotaxime, fosfomycin and nitrofurantoin. While for penicillin G, SMZ and polymyxin B, these isolates showed high drug resistance, the resistance ratio was 70% to 100%. All these CNS isolates showed multi-drug resistance, 3 CNS isolates were resistant to 20 drugs, 1 was resistant to 15 drugs，1 was resistant to 14 drugs，62.9% of these CNS isolates were resistant to more than 5 tested drugs. All these results indicated that the resistant status of CNS caused subclinical mastitis was very serious.

Key words: font-size: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">dairy cow mastitisfont-size: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">；coagulasefont-size: 10.5pt; mso-bidi-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">-font-size: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">negative Staphylococcus (CNS)font-size: 10.5pt; mso-bidi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">；drug sensitivity test

WANG Xin-yu，PEI Lin，YU En-qi，LIN Wei-dong，WEN Xin-tong，ZAI Xu-sheng，QIN Ai-jian，JIN Wen-jie，ZHANG Jun，LIANG Xiang-huan，WANG Jin-rong，HANG Bo-lin. Drug-resistance Analysis of Coagulase-negative Staphylococcus Isolated from Dairy Cow Mastitis[J]. .

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Drug-resistance Analysis of Coagulase-negative Staphylococcus Isolated from Dairy Cow Mastitis

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