Antibiotic resistance of Escherichia coli isolated from captive Bengal tigers at Safari parks in Bangladesh

  • Saurav Kumar Ghosh Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
  • Zamila Bueaza Bupasha Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
  • Hatem Sazzat Md Zulkar Nine Veterinary Officer, Bangabandhu Sheikh Mujib Safari Park, Gazipur, Bangladesh
  • Arup Sen Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
  • Abdul Ahad Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
Keywords: Antibiotic resistance; Bengal tiger; Escherichia coli; resistance genes

Abstract

Objectives: The present study was carried out to assess the antibiotic resistance and to identify the resistance genes in Escherichia coli from captive Bengal tigers at two Safari parks in Bangladesh.

Materials and Methods: A number of 24 environmental fecal swab samples of Bengal tigers were collected from two different Safari parks in Bangladesh. For the isolation of E. coli, samples were submitted to a number of bacteriological screening and biochemical tests. The antibiotic suscep­tibility of E. coli isolates was determined by disk diffusion method.

Results: Results demonstrated that 18 environmental fecal samples were positive to E. coli in bacteriological screening and biochemical test. The overall prevalence of E. coli in Bengal tiger was 75% (n = 18/24). The antibiogram study unveiled that all the isolates were resistant to ampicillin. Sulfamethoxazole-trimethoprim, nalidixic acid, and tetracycline were 89% (n = 16/18) resistant. On the contrary, 100% (n = 18/18) of the isolates were sensitive to colistin sulfate. blaTEM was detected in 78% (n = 14/18) ampicillin-resistant isolates, whereas sul2 was found in 31% (n = 5/16) of the sulfamethoxazole-trimethoprim-resistant isolates.

Conclusion: This study, first time in Bangladesh, highlights a significant proportion of environmen­tal fecal samples from captive Bengal tigers at Safari parks harboring antibiotic resistant E. coli. Transmission of resistant E. coli from Bengal tigers to humans and the environment could pose a public health risk at Safari parks in Bangladesh.

J. Adv. Vet. Anim. Res., 6(3): 341-345, September 2019

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Published
2019-09-12
How to Cite
Ghosh, S., Bupasha, Z., Nine, H. S., Sen, A., & Ahad, A. (2019). Antibiotic resistance of Escherichia coli isolated from captive Bengal tigers at Safari parks in Bangladesh. Journal of Advanced Veterinary and Animal Research, 6(3), 341-345. Retrieved from https://www.banglajol.info/index.php/JAVAR/article/view/43109
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Short Communications