ArticleEpidemiology and infection2015
Transmission of Escherichia coli O157:H7 in cattle is influenced by the level of environmental contamination.
Article in Epidemiology and infection, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Interventions Targeting the Beef Feedlot Environment to Control Antimicrobial Resistance: A Mathematical Modelling Study.Zoonoses and public health · 2026Article
- Untangling the role of environmental and host-related determinants for on-farm transmission of verotoxin-producingInfection ecology & epidemiology · 2024Article
- Cefotaxime-, Ciprofloxacin-, and Extensively Drug-ResistantFoods (Basel, Switzerland) · 2023Article
- Prevalence and virulence gene profiles of Escherichia coli O157 from cattle slaughtered in Buea, Cameroon.PloS one · 2020Article
- Daily shedding dynamics of E. coli O157 in an Australian grass-fed beef herd.Epidemiology and infection · 2016Article
- Daily variations in Escherichia coli O157 shedding patterns in a cohort of dairy heifers at pasture.Epidemiology and infection · 2015Article
- Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A pen infection-transmission experiment was conducted to elucidate the role of pathogen strain and environmental contamination in transmission of Escherichia coli O157:H7 (ECO157) in cattle. Five steers were inoculated with a three-strain mixture of ECO157 and joined with five susceptible steers in each of two experimental replicates. Faecal and environmental samples were monitored for ECO157 presence over 30 days. One ECO157 strain did not spread. Transmission rates for the other two strains were estimated using a generalized linear model developed based on a modified 'Susceptible-Infectious-Susceptible' mathematical model. Transmission rates estimated for the two strains (0·11 and 0·14) were similar. However, the rates significantly (P = 0·0006) increased 1·5 times for every 1-unit increase in the level of environmental contamination measured as log10 c.f.u. Depending on the level of environmental contamination, the estimated basic reproduction numbers varied from <1 to 8. The findings indicate the importance of on-farm measures to reduce environmental contamination for ECO157 control in cattle that should be validated under field conditions.
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