Prevalence and Antibiotic Resistance of Pseudomonas aeruginosa Isolated from Bovine Meat, Fresh Fish and Smoked Fish.

Background and Objectives: Pseudomonas aeruginosa is a major opportunistic pathogen with several resistance factors that are partially evaluated in local products. This study aimed to evaluate P. aeruginosa multidrug-resistant (PAMDR) contaminating animal products. Materials and Methods: API20NE methods, susceptibility testing, serotyping, and molecular characterizations by using rpoB gene were performed. Results: On a set of 500 samples analyzed, API 20NE identified 205 (91.1%) of the 225 presumptive isolates as Pseudomonas aeruginosa. The rpoB gene confirmed that 204 (99.5%) of the 205 strains were Pseudomonas aeruginosa. The strains of P. aeruginosa were isolated from bovine meat (122), fresh fish (49) and smoked fish (33). With a total prevalence of 36.2%, 181 strains of Pseudomonas aeruginosa out of 204 isolated were multidrug-resistant. The prevalence of Pseudomonas aeruginosa multidrug-resistant was 47.8%, 33.1% and 20.0%, respectively, in bovine meat, fresh fish and smoked fish. The percentage of resistance showed by P. aeruginosa strains were 98.4% for aztreonam, 51.4% ticarcillin + clavulanic acid, 50.4% ticarcillin, 31.4% piperacillin, 33.6% ciprofloxacin, 17.0% cefepime, 6.9% ceftazidim 7.2% imipenem, 4.5% colistin and 0.0% fosfomycin. Pseudomonas aeruginosa strains mainly resistant to ticarcillin, ticarcillin-clavulanic acid, cefepime, imipenem, ceftazidim, ciprofloxacin and piperacillin were serogroups O5, O7 and O11. Conclusion: These animal products play an active role in the spread of antibiotic resistance.


Benie CKD, Nathalie G, Adjéhi D, Solange A, Fernique konan K, Desire K, Bourahima B, Marcellin DK and Mireille D

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