Abstract
Antibiotic resistance and identification of strains in Enterobacteriaceae genera isolated from milk, milk products and rectal swabs of chicken was examined in this experiment. After samples collection cultivation and identification of bacterial strain was done. MALDI TOF MS Biotyper for identification of Enterobacteriaceae strains was used. For susceptibility testing disc diffusion methodology was used according by EUCAST. Results showed high level of ampicillin resistance in isolates from milk and milk samples. The highest streptomycin resistance was detected in isolates from rectal swabs of chicken. After identification, we determined that S. enterica ser. Typhimurium, which was isolated from rectal swabs of chicken showed the most multi-resistance from all identificated strains of Enterobacteriaceae. The most isolates bacterial strain was E. coli, which showed resistance against four antibiotics from rectal swabs of chicken. Also our results showed that the higher resistance level is in rectal swabs of chicken like in milk samples.
Highlights
Antibiotic resistance is significant health, social and economic problem at this time
We researched antibiotic resistance in bacteria from Enterobacteriaceae genera isolated from milk products and rectal swabs of chicken
We examined antibiotic resistance in Enterobacteriaceae strains isolated from milk and milk products, because its a products which people use to direct consumption
Summary
Antibiotic resistance is significant health, social and economic problem at this time. The Enterobacteriaceae family is commonly used as an indicator of fecal contamination during food microbiological analyses, and includes important zoonotic bacteria such as Salmonella spp., Yersinia spp. and Escherichia coli. Enterobacteriaceae are the significant causes of serious infection, and many of the most important members of this family are becoming increasingly resistant to currently available antimicrobials (Paterson, 2006). Antimicrobial resistance has been reported in bacteria isolated from organic dairy products (Sato et al 2004; Sato et al 2004; Tikofsky et al 2003), and in poultry products related to Salmonella and Campylobacter (Cui et al 2005; Soonthornchaikul et al, 2006). Little information relative to commensal bacteria isolated from poultry meat and milk products is currently available. The main goal of the present study was to investigate the prevalence of antimicrobial susceptibility found in Enterobacteriaceae isolates derived from chicken meat and milk products
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