Isolation,Identification and Drug Sensitivity Analysis of Pseudomonas aeruginosa from Minks |
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| Authors: | SUN Na CHEN Qiang WEN Yong-jun YANG Yong WANG Meng-hang CHENG Shi-peng |
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| Affiliation: | 1. Institute of Special Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun 130112, China;2. JL TEYAN Biological Technology Limited Liability Company, Changchun 130112, China |
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| Abstract: | In order to provide therapeutical guidance for drug admistration,the bacteria from five dead minks suffering with typical symptoms provided by mink farms in Shandong province were isolated and identified,and the drug sensitivity was tested.The bacteria were isolated with TSA plates,and identified using biochemical methods and PCR assay.The drug sensitivity of the isolates to antimicrobial agents was investigated using K-B method.PCR was used to detect the resistance genes.A total of 5 Pseudomonas aeruginosa isolates were obtained from sick minks.The drug sensitivity results showed that 5 strains were sensitive to fluoroquinolone,the third and fourth generations cephalosporin drugs,but were resistant to aminoglycoside,tetracycline,chloramphenicol,penicillin,the first and second generations cephalosporin drugs.There were six resistance genes were detected,aadA1,aac(3')-Ⅱc,aac(6')-Ⅰb,tetA,tetK and cat2.All of the isolates were detected more than three kinds of resistance genes.The result showed that 5 strains were all Pseudomonas aeruginosa,and Pseudomonas aeruginosa was the main cause of mink hemorrhagic pneumonia.The resistance of 5 strains were very serious and mainly for multiple drug resistance phenomenon.The resistance genes detected in the mink were various,and could cause the resistance to the drugs. |
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| Keywords: | mink Pseudomonas aeruginosa hemorrhagic pneumonia drug sensitivity |
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