Antibiotic Resistance Profile of Escherichia coli and Klebsiella spp Isolated from Post-weaned Piglet Faeces under Penicillin-streptomycin Combination Therapy (Penstrep®) in Abidjan, Côte d’Ivoire

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A. N. T. Koné
N. K. N’gbesso
B. K. Guédé
M. B. Ouattara
F. K. Konan
A. Dadié
N. K. Guessennd


Aim: The current study was aimed at evaluating the antibiotic resistance profile of Escherichia coli and Klebsiella spp isolated from post-weaned piglets treated with penicillin-streptomycin combination therapy.

Study Design:  Bacteriological study.

Place and Duration of Study: Laboratory of the National Reference Center for antibiotics at Institut Pasteur Côte d’Ivoire, between March 2018 and June 2018.

Methodology: Escherichia coli and Klebsiella species were isolated from post weaned piglets stool on Mac Conkey medium added up separately with penicillin, streptomycin and combined penicillin-streptomycin and identified. Antibiotic susceptibility test was performed using disk diffusion method on Müller-Hinton agar.

Results: Escherichia coli and Klebsiella species resistance to penicillin, streptomycin and combined penicillin-streptomycin evaluated, respectively, reached 80.5% (Day 0) to 92.0% (Day 4); 17.0% (Day 0) to 39.9% (Day 4) and 31.3% (Day 0) to 70.9% (Day 4) for piglets treated with Penstrep®. In addition, antibiotic susceptibility test carried out for Escherichia coli and Klebsiella spp strains isolated from piglets treated with Penstrep® revealed resistance to amoxicillin for each bacterial species at a rate of 86.0% and 89.0%. Furthermore, control piglets showed lesser resistance to streptomycin (E.coli 31.0% and Klebsiella spp 38.0%) than those treated with the combination therapy Penstrep® (E. coli 73.0% and Klebsiella spp 48.0%). As for netilmicin, imipenem and colistin, no resistance was detected for treated piglets as well as untreated ones.

Conclusion: The combination therapy with Penstrep® has increased Escherichia coli and Klebsiella species resistance to antibiotics tested in the current study.

Escherichia coli, Klebsiella spp, penicillin, streptomycin, antibiotic resistance

Article Details

How to Cite
Koné, A. N. T., N’gbesso, N. K., Guédé, B. K., Ouattara, M. B., Konan, F. K., Dadié, A., & Guessennd, N. K. (2019). Antibiotic Resistance Profile of Escherichia coli and Klebsiella spp Isolated from Post-weaned Piglet Faeces under Penicillin-streptomycin Combination Therapy (Penstrep®) in Abidjan, Côte d’Ivoire. Journal of Advances in Microbiology, 18(4), 1-10.
Original Research Article


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