National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Present study was aimed to characterize Escherichia coli isolated from wound from a hyena. Pus swab collected from wound was processed for bacterial isolation and identification as per standard protocol. Isolate was then subjected to antimicrobial susceptibility test by disc diffusion method using commercial available antibiotics such as ampicillin, amoxycillin, amoxyclav, trimethoprim, chloramphenicol, ciprofloxacin, enrofloxacin, cefepime, cefotaxime, ceftriaxone, ceftriaxone/tazobactum, gentamicin and oxytetracycline. Further isolate was screened for presence of extended spectrum beta lactamase genes (blaSHV, blaTEM and blaCTX-M) by PCR. Bacterial culture, staining and biochemical properties revealed the presence of Escherichia coli. Escherichia coli was found susceptible to chloramphenicol and intermediate sensitive to ceftriaxone/ tazobactum and gentamicin and resistant to ampicillin, amoxycillin, amoxyclav, trimethoprim, ciprofloxacin, enrofloxacin, cefotaxime, cefepime, ceftriaxone and oxytetracycline. Escherichia coli isolate was found positive for blaCTX-M genes whereas blaSHV and blaTEM genes were not detected. In conclusion, investigation of present study revealed the presence of multi drug resistant and extended spectrum beta lactamase producing Escherichia coli in hyena.
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