Prevalence and antibiotic resistant Escherichia coli isolated from abattoir and aquaculture environment in Ebonyi State, South East Nigeria.

S. Onuoha, C. Okafor, B.O. Eronmosele, K. Ovia, M. C. Nwosu, C. Onwere, I. Ude, A.C. Ezeme-Nwafor, P. Ani
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Abstract

Background: The present study was carried out to evaluate the distribution and antibiotics profile of Escherichia coli from abattoir and aquaculture.Methods: Abattoir and aquaculture effluents were randomly collected from various parts of Abakaliki in Ebonyi State. Bacterial detection was conducted using cultural and biochemical analysis. Susceptibility of the E. coli to antimicrobials was investigated using the Kirby- Bauer disk diffusion method.Results: The microbial load from abattoirs ranges from 0.26±0.11x107 to 4.08±0.11x107 cfu/ml and aquacultures 0.40±0.04x107 to 4.06±2.74x107 cfu/ml differ significantly (P<0.05). Out of the total 44 E. coli isolates from abattoir, drainage shows the highest E. coli isolates (40.9 %) and waste water least (22.7 %), while of the 18 E. coli isolates from aquaculture, 55.6 % were from concrete pond, while 44.4 % were from earthen pond. The E. coli isolates showed reasonable susceptibility to cefeprime (62.5 %), followed by imipenem (50. 0 %). However, all the E. coli isolates were resistant to amoxicillin/clavulanic acid, cefixime, cefotaxime and tobramycin. E. coli MAR index range from 0.4 - 0.9.Conclusion: The high microbial load, antibiotic resistance and higher MAR index >2 is of public health concern and further demonstrates the need for adequate treatment and disposal of waste generated from abattoir and aquaculture.
尼日利亚东南部埃邦伊州屠宰场和水产养殖环境中分离出的大肠杆菌的流行情况和耐药情况
背景:本研究旨在评估屠宰场和水产养殖中大肠杆菌的分布和抗生素谱。方法:随机收集埃博尼州阿巴卡利基市不同地区的屠宰废水和水产养殖废水。使用培养和生化分析进行细菌检测。采用Kirby-Bauer圆盘扩散法研究了大肠杆菌对抗菌药物的敏感性。结果:屠宰场的微生物负荷范围为0.26±0.11x107至4.08±0.11x107cfu/ml,水产养殖0.40±0.04x107至4.0 6±2.74x107cfu/ml差异显著(P2引起公众健康关注,进一步表明需要对屠宰场和水产养殖产生的废物进行充分处理和处置。
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