Susceptibility Pattern to Common Antibiotics of Intestinal Escherichia Coli from Slaughtered Commercially Grown Chickens
Journal Title: International Journal of Contemporary Medical Research - Year 2018, Vol 5, Issue 3
Abstract
Introduction: Use of antibiotics, especially its irrational use, is a critical factor that promotes emergence of antibiotic resistant bacteria organisms, as well as its spread among farm animals and humans. This study aimed to investigate the prevalence and antibiotic sensitivity pattern of intestinal Escherichia coli isolates from slaughtered commercially grown broiler and layer chickens in Imo State, Nigeria. Material and Methods: Swab samples from 200 table size chickens (100 broilers and 100 layers) were collected from the inner part of the intestine after it was emptied of faecal matter. E. coli was isolated after culture on eosine methylene blue (EMB) agar and later subcultured on MacConkey agar. The isolates were then analyzed by agar disc diffusion to determine their susceptibility patterns. Results: A total of 79 (39.5%) slaughtered chickens had E. coli isolated (37 broilers and 42 layers) from a total number of 200 samples. The isolates showed the following pattern of antibiotic resistance against ten commonly used and available antibiotics in Nigeria: all isolates (100%) were resistant to both co-amoxiclav and cotrimoxazole; chloramphenicol 60(75.9%), amoxacillin 58(73.4%), streptomycin 57(72.2%), sparfloxacin 53(67.1%), gentamycin 35(44.3%), pefloxacin 25(31.6%), ofloxacin 21(26.6%) and ciprofloxacin 16(20.3%). Conclusion: Prevalence of E.coli in slaughtered chickens intestine was 39.5% with all resistant to both co-amoxiclav and cotrimoxazole. The organism was less resistant to the quinolones especially ciprofloxacin
Authors and Affiliations
Ihuoma Flora Odoemene, Oguamanm Okezie Enwere
Keywords
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