本文關鍵詞： 雞源沙門氏菌 抗菌藥物 耐藥性 耐藥基因　出處：《中國農(nóng)業(yè)科技導報》2017年10期 　論文類型：期刊論文

【摘要】：為掌握新疆烏魯木齊市周邊雞場雞源沙門氏菌對常用抗菌藥物的耐藥性及耐藥基因的攜帶情況。從新疆烏魯木齊周邊養(yǎng)雞場共采集950份雞泄殖腔拭子,從中分離出沙門氏菌80株,采用瓊脂稀釋法對其進行最小抑菌濃度測定;通過PCR方法對耐藥沙門氏菌進行PMQR(qnrA、qnrB、qnrC、qnrD、qnrS、oqxA、oqxB、qepA和aac(6')Ib-cr)、β-內(nèi)酰胺酶(bla_(TEM)、bla_(CTX-M)、bla_(SHV)、bla_(KPC)、bla_(CMY-2)、bla_(LAP-1)和bla_(OXA))及16S rRNA甲基化酶(armA和rmtB)共18種耐藥基因的檢測。耐藥結果顯示:雞源沙門氏菌對環(huán)丙沙星(83.6%)和恩諾沙星(77.5%)呈現(xiàn)高水平耐藥;對阿米卡星的耐藥率(20.0%)較低。耐藥基因檢測結果為:(1)qnrS檢出率為12.5%,qnrB檢出率為13.8%,oqxA檢出率為51.3%,oqxB檢出率為51.3%,aac(6')-Ib-cr檢出率為37.5%,未檢出qnrA、qnrC、qnrD和qepA;(2)bla_(CTX-M)檢出率為5.0%,bla_(TEM)檢出率為67.5%,bla_(SHV)檢出率為13.6%,bla_(OXA)檢出率為37.5%,未檢出bla_(KPC)、bla_(LAP-1)和bla_(CMY-2)。(3)rmtB檢出率為7.5%,arm A檢出率為1.3%。烏魯木齊周邊雞場分離的雞源沙門氏菌對環(huán)丙沙星和恩諾沙星耐藥嚴重,對阿米卡星比較敏感。共檢出11種耐藥基因,基因類型較多,使養(yǎng)雞場細菌的多藥耐藥風險加大。
[Abstract]:In order to understand the resistance of Salmonella from chicken to common antimicrobial agents and the carrying of drug-resistant genes in chicken farms around Urumqi, 950 chicken cloacal swabs were collected from the farms around Urumqi, Xinjiang. 80 strains of Salmonella were isolated and the minimal inhibitory concentration of Salmonella was determined by Agar dilution method. A total of 18 drug-resistant genes of salmonella were detected by PCR method in PMQRGR QnrAQnrAQnrC QnrC QnrCnrSnnrSoqxAoqxBOQEPA and aacoqxAoqxBUOQepA, aacoqxAoqxBOXA, 尾 -lactamase (尾 -lactamase), 尾 -lactamase, CTX, CTX-MK, blastoblastoma). The results showed that Salmonella gallinalis had a high resistance to ciprofloxacin 83.6) and enoxacin to 77.57.57.57.57.56.The results of drug resistance showed that Salmonella spp was resistant to ciprofloxacin 83.6and Ennoxacin 77.57.57.56.The results showed that Salmonella spp was resistant to ciprofloxacin (83.66) and Ennoxine (77.57.57.57.57), and 16s rRNA methylase armna and rmtB were used to detect the resistance of Salmonella chrystris to ciprofloxacin 83.66) and enoxix7.57. High level of drug resistance; The drug resistance rate of Amikacin was 20.0). The detection rate of resistant gene was 12.5qnrS and 13.8oqxA, 51.3oqxB and 51.3oqxB, and the detection rate of undetected qnrD and qepAnrD and qepAnnrD were 5.0b and 5.0B respectively. The detectable rate was 67.5B and the detection rate was 13.6nnrD and qepAnnrD, and the detection rate of qepAnnrD and qepAnnrS was 5.05%, and the detection rate was 67.5b / kg.) the detection rate of Amikacin was 51.3oqxB, and the detection rate of qnrD and qepAnnrD was 5.0b. The detectable rate of qnnrS was 5.0b. The detection rate of oqnrB was 67.5. the detection rate of Amikacin was 51.3oqxB. The detectable rate of bla_(CMY-2).(3)rmtB and bla_(CMY-2).(3)rmtB were 7.5% and 1.3% respectively. Salmonella isolated from chicken farms around Urumqi was highly resistant to ciprofloxacin and enrofloxacin. A total of 11 drug resistance genes were identified, which increased the risk of multidrug resistance of chicken farm bacteria.
【作者單位】： 新疆農(nóng)業(yè)大學動物醫(yī)學學院;
【基金】：國家自然科學基金項目(31260614)資助
【分類號】：S852.61

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