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Serogrouping and antibiotic resistance of Escherichia coli isolated from broiler chicken with colibacillosis in center of Algeria

Article scientifique 2017 Anglais

Résumé

AIM: strains and to determine their antibiotic susceptibility. MATERIALS AND METHODS: were carried out using conventional techniques. Then, these strains were serotyped and tested over 13 antibiotics. RESULTS: were isolated. Serotyping results showed that 50 strains belong to 3 serotypes (23 for O1, 11 for O2, 16 for O78) which represent 32% of isolates. The antimicrobial susceptibility test, presented high level of resistance to tetracyclines (94.12%), flumequine (91.5%), sulfamethoxazole-trimethoprim (88.89%), enrofloxacin (86.27%), nalidixic acid (85.62%), ampicillin (83.01%) and doxycycline (75.81%), medium level resistance to chloramphenicol (39.22%), and amoxicillin-clavulanic acid (43.13%). All the strains were susceptible to cefotaxime, excepting three, which presented an extended spectrum β-lactamase (ESBL). In addition, the results of multi-resistance showed that all the strains were resistant at the minimum to two antibiotics and 66.66% of strains were resistant to at least seven antibiotics. CONCLUSION: The antibiotic resistance continues to rise at an alarming rate, and the emergence of ESBL is considered as a threat for public health.

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Halfaoui, Z., Menoueri, N., Bendali, L. (2017). Serogrouping and antibiotic resistance of Escherichia coli isolated from broiler chicken with colibacillosis in center of Algeria. https://doi.org/10.14202/vetworld.2017.830-835

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Auteur(s)

Zehor Halfaoui N Menoueri Lyes Mohamed Bendali

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