ArticleTropical animal health and production2019
Analysis of milk-derived isolates of E. coli indicating drug resistance in central Ethiopia.
Article in Tropical animal health and production, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Prevalence and antimicrobial resistance of Escherichia coli and Klebsiella spp in dairy farm in the Tigray Region, Northern Ethiopia.BMC microbiology · 2025Article
- Antimicrobial Resistance Phenotypes and Genotypes ofAntibiotics (Basel, Switzerland) · 2025Article
- Virulence factors of bovine mastitis pathogens: distribution, pathogenesis, and emerging vaccines targeting virulence factors: a literature review.Frontiers in veterinary science · 2025Review
- Prevalence, antimicrobial resistance and biofilm forming ability ofFrontiers in veterinary science · 2025Article
- Extended-Spectrum Beta-Lactamase ProducingVeterinary medicine (Auckland, N.Z.) · 2024Article
- Efficacy of Penicillin-Streptomycin Brands againstAntibiotics (Basel, Switzerland) · 2023Article
- Occurrence and antimicrobial resistance pattern of E. coli O157:H7 isolated from foods of Bovine origin in Dessie and Kombolcha towns, Ethiopia.PLoS neglected tropical diseases · 2023Article
- Antimicrobial Resistance Profile of Common Foodborne Pathogens Recovered from Livestock and Poultry in Bangladesh.Antibiotics (Basel, Switzerland) · 2022Article
- Evaluation of Virulence Factors, Antibiotic Resistance, and Biofilm Formation ofFoods (Basel, Switzerland) · 2022Article
- Phages for Africa: The Potential Benefit and Challenges of Phage Therapy for the Livestock Sector in Sub-Saharan Africa.Antibiotics (Basel, Switzerland) · 2021Review
- Review on Major Food-Borne Zoonotic Bacterial Pathogens.Journal of tropical medicine · 2020Review
- Antibiotic-resistantVeterinary world · 2019Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mastitis is one of the most important diseases in dairy cows throughout the world and is responsible for significant economic losses to the dairy industry. This study was performed to characterize the genetic basis of drug resistance in Escherichia coli isolated from cases of clinical and sub-clinical bovine mastitis. A total of 224 California mastitis test (CMT)-positive milk samples were collected from December 2015 to April 2016 to characterize the phenotypic and genetic basis of antimicrobial resistance in E. coli isolated from raw milk from dairy farms found in Burayu, Sebeta, and Holeta areas of Ethiopia. The prevalence of E. coli was 7.1% (16) and both phenotypic and molecular techniques were used to identify E. coli antimicrobial susceptibility trait. The most commonly observed phenotypic resistance was against ampicillin (68.7%), sulphamethazole-trimethoprim (50%), and streptomycin (25%). Multidrug resistance phenotypes were found in 11 of 16 (68.7%) of E. coli isolates. Tetracycline (tet (A)) and chloramphenicol (cml (A)) genes were the most predominant encoding resistance genes identified (50%) each, followed by gentamycin resistance encoding gene (aac (3)-IV) (37.5%). Overall, 11 (68.7%) of the isolates had multidrug resistance genes responsible to two or more classes of antibiotics. The most common pattern detected was cml (A) and tet (A) together 37.5% followed by aac (3)-IV and tet (A) 25%. The current study indicated that raw milk could be regarded as critical source of antibiotic-resistant pathogenic E. coli.
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