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Vol. 11, Special Issue 9 (2022)

Antibiogram pattern of E. coli isolated from healthy adult pigs in pig farms located in and around Bengaluru, India

Author(s):
Shivakumar R, S Wilfred Ruban, Srikrishna Isloor, D Rathnamma, Ahlen IG Barry, Sharada R, Sudarshan S and HB Shivappa Nayaka
Abstract:
A cross sectional study was carried out to evaluate the antimicrobial susceptibility pattern of E. coli isolated from healthy adult pigs from 10 organized pig farms located in and around Bengaluru, Karnataka, India. Faecal samples from 40 pigs (4 adult pigs from each farm) were collected and were used for isolation and characterization of E. coli based on biochemical methods. E. coli was isolated from all the samples. A total of 104 E. coli isolates obtained from healthy adult pigs and were screened for antimicrobial susceptibility testing based on disc diffusion assay against 13 commonly used antimicrobials in human and veterinary medicine. Out of the 104 E. coli isolates from adult pig fecal samples, 95.19 per cent isolates exhibited resistance towards doxycycline (Tetracyclines) followed by Enrofloxacin (70.19%), ciprofloxacin (66.35%), ampicillin (61.54%), cotrimoxazole (56.73%), Cefotaxime + clavulanic acid (34.62%), chloramphenicol (33.65%), ceftazidime + clavulanic acid (24.04%), cefpodoxime + clavulanic acid (23.08%), amoxicillin (13.46%), neomycin (4.81%) and gentamycin (2.88%). In this study, all the E. coli isolates tested were found to be susceptible to amikacin, imipenem and meropenem. The phenotypic characterization confirmed the presence of Extended spectrum β-lactamase E. coli at 34.62 per cent. In all, 86.54 per cent (90/104) of E. coli isolates were Multidrug resistant (MDR) were being resistant to one antimicrobial agent in three or more antimicrobial classes. The study clearly indicated higher presence of multidrug resistant E. coli in healthy adult pigs indicating its public health significance and potential of such adult pigs being a major source in dissemination of AMR E. coli in the entire pork production chain.
Pages: 350-353  |  273 Views  120 Downloads
How to cite this article:
Shivakumar R, S Wilfred Ruban, Srikrishna Isloor, D Rathnamma, Ahlen IG Barry, Sharada R, Sudarshan S and HB Shivappa Nayaka. Antibiogram pattern of E. coli isolated from healthy adult pigs in pig farms located in and around Bengaluru, India. The Pharma Innovation Journal. 2022; 11(9S): 350-353.

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