Articlenpj antimicrobials and resistance2025
Risk of multidrug resistance in Escherichia coli associated with routine antimicrobial prophylaxis on pig farms.
Article in npj antimicrobials and resistance, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Role of C17 fengycin B fromApplied and environmental microbiology · 2026Article
- Pathogenicity and Antimicrobial-Resistance Profiles of Escherichia coli Isolated From Faeces of Tibetan Pigs Reared Under Intensive Conditions.Veterinary medicine and science · 2026Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although extensively studied, the association between antimicrobial usage and the emergence of antimicrobial resistance (AMR) in livestock still has unresolved aspects. This study analyzed the genomes of 195 Escherichia coli strains from pigs, a species with high antimicrobial consumption, across five production stages on 13 farms in Japan employing diverse antimicrobial administration strategies. A total of 61 acquired AMR genes (aARGs), spanning 13 distinct antimicrobial classes, were identified. A significant correlation was found between antimicrobial usage and the number of aARGs in E. coli strains. The four farms with the highest usage administered antimicrobials orally as routine prophylaxis during fattening. These farms showed significantly higher proportions of multidrug-resistant (MDR) genotypes at all stages compared to farms without routine prophylaxis. The number of frequently detected aARGs was more strongly correlated with total antimicrobial usage than with the usage of the corresponding antimicrobial classes. Co-occurrence network analysis suggested that genetic linkages among these aARGs may promote co-selection, thereby acting as a driving force in the emergence of MDR strains under routine prophylaxis treatment.
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Registered trials
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