Antimicrobial Resistance of Escherichia coli Isolated from Chickens in West of Algeria (original) (raw)

Modern poultry flocks undergo strong microbial pressure. Antibiotics can contribute to reduce bacterial infections. Their use increased these last years. Studies performed in Morocco and Algeria highlighted the importance of antibioresistance after excessive use of antibiotics in poultry breeding. In western Algeria, 240 strains of enterobacteriaceae were isolated according to usual bacteriological procedures. In order to assess antimicrobial resistance, the disc diffusion method for antibiotic susceptibility (tetracycline (TE), enrofloxacin (ENR), trimethoprim+sulfamethoxazole (SXT), amoxicillin+clavulanic acid (AMC), ceftiofur (KF), colistin (CT), neomycin (N), gentamicin (GN) and chloramphenicol (C) was applied (Antibioresistance Committee of the French Microbiology Society, 2010). All enterobacteriaceae strains isolated presented at least one resistance to those antibiotics. Escherichia coli counted for 47.5% of these strains (N=114). By omitting intermediate resistances, 28% of...

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