AI Article Synopsis
- The study assessed the antimicrobial resistance of 62 Campylobacter strains from broiler flocks using the agar diffusion method.
- The strains were isolated from various sources, including cloacae swabs and carcass rinses, from 22 flocks aged 3-5 weeks.
- The results showed a high level of resistance to several antibiotics, particularly enrofloxacin and neomycin, suggesting the need to reduce antimicrobial use in veterinary and human medicine.
Article Abstract
The aim of this study was to assess the antimicrobial susceptibility of 62 Campylobacter spp. strains obtained from broiler flocks using the agar diffusion method. The Campylobacter spp strains were isolated from 22 flocks aged between 3 and 5 weeks of life, isolated from cloacae swabs, stools and cecal droppings in the farm and from the carcass rinsing in the slaughterhouse. Campylobacter spp strains were tested on Mueller-Hilton (MH) agar (27 samples) and MH plus TTC agar (35 samples). The antimicrobial susceptibility test revealed a 62.5% resistance to at least one drug, especially to enrofloxacin (71%), neomycin (50%), lincomycin (50%), tetracycline (43%), penicillin (42%), ceftiofur (33%) amoxicillin (27%), spiramycin (20%), ampicillin (18%) and norfloxacin (14%), whereas a lower percentage of strains was resistant to erythromycin (10%) and doxycycline (10%). All strains were sensitive to gentamicin and lincomycin-spectinomycin and 80% of them to colistin. These results indicate that it is necessary to reduce the use of antimicrobials in veterinary and human medicine.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3768467 | PMC |
| http://dx.doi.org/10.1590/S1517-838220080004000026 | DOI Listing |
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