ArticleThe Onderstepoort journal of veterinary research2022
Food animals as reservoirs and potential sources of multidrug-resistant diarrheagenic E. coli pathotypes: Focus on intensive pig farming in South Africa.
Article in The Onderstepoort journal of veterinary research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Virulome Landscape of Multidrug-ResistantAntibiotics (Basel, Switzerland) · 2026Article
- Genome-Based In Silico Analysis of the Structural and Functional Characteristics of the Type Three Secretion System (T3SS) and Core Effector Proteins in EnteropathogenicPathogens (Basel, Switzerland) · 2025Article
- Association of DiarrheagenicMicroorganisms · 2025Article
- Comparative prevalence of diarrheagenicThe Pan African medical journal · 2024Article
- A South African Perspective on the Microbiological and Chemical Quality of Meat: Plausible Public Health Implications.Microorganisms · 2023Review
- Occurrence and Multidrug Resistance in Strains ofMicroorganisms · 2023Article
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Authors and funding
6 authors.
Funding
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Abstract
backgroundDiarrheagenic E. coli (DEC) strains are a major cause of diarrheal diseases in both developed and developing countries. Healthy asymptomatic animals may be reservoirs of zoonotic DEC, which may enter the food chain via the weak points in hygiene practices.
aimWe investigated the prevalence of DEC along the pig production continuum from farm-to-fork.
methodsA total of 417 samples were collected from specific points along the pig production system, that is, farm, transport, abattoir and food. E. coli was isolated and enumerated using Colilert. Ten isolates from each Quanti-tray were selected randomly and phenotypically identified using eosin methylene blue agar selective media. Real-time polymerase chain reaction (PCR) was used to confirm the species and to classify them into the various diarrheagenic pathotypes. Antimicrobial susceptibility was determined against a panel of 20 antibiotics using the Kirby-Bauer disk diffusion method and EUCAST guideline.
resultsThe final sample size consisted of 1044 isolates, of which 45.40% (474/1044) were DEC and 73% (762/1044) were multidrug-resistant. Enteroinvasive E. coli (EIEC) was the most predominant DEC at all the sampling sites.
conclusionThe presence of DEC in food animal production environments and food of animal origin could serve as reservoirs for transmitting these bacteria to humans, especially in occupationally exposed workers and via food. Adherence to good hygienic practices along the pig production continuum is essential for mitigating the risk of transmission and infection, and ensuring food safety.
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