ArticleVeterinary research2025
Description of a contemporary pathogenic Escherichia coli isolated from pigs with post-weaning diarrhea in the United States from 2010 to 2023.
Article in Veterinary research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Establishment of an Indirect ELISA Method for Detecting Multiple Virulence Factors from Porcine Diarrhea-RelatedVeterinary sciences · 2026Article
- Dietary iron and metal-based growth differentially modulate growth and gut microbiome of weaned piglets.Animal microbiome · 2026Article
- Dietary soybean-derived trypsin inhibitor protein reduces nursery pig performance and may exacerbate F18 enterotoxigenic Escherichia coli disease.Journal of animal science · 2026Article
- FUT1 genetic polymorphism influences susceptibility to F18 enterotoxigenic Escherichia coli infection in pigs.Journal of animal science · 2026Article
- Emergence of Escherichia coli Hybrid Pathotype ETEC/STEC: A Macroepidemiological Approach of Molecular Characterization in the United States Swine Population.Transboundary and emerging diseases · 2026Article
- Impact of low-crude protein and insoluble fiber diets on post-weaning diarrhea, growth performance, intestinal morphology, and gene expression for nursery pigs with natural rotavirus and subject to enterotoxigenicTranslational animal science · 2026Article
- Virulence characteristics and antibiotic resistance analysis of multi-drug resistant Enterotoxigenic Escherichia coli in healthy pigs from Zhejiang Province, China.BMC veterinary research · 2025Article
- Impact of virulence genes and pathotypes of intestinal pathogenicFrontiers in cellular and infection microbiology · 2025Article
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8 authors.
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Abstract
Post-weaning diarrhea (PWD) due to Escherichia coli in pigs is a significant enteric disease in the U.S. Contemporary data about the main virulence factors, colony morphology, and distribution of virotypes of isolates associated with post-weaning colibacillosis (PWC) is essential information for swine veterinarians, producers, and stakeholders. This study reports the rate of PWC/PWD, frequency of detection of fimbrial types, pathotypes, toxins, virotypes, morphological characteristics, and temporal analysis of the most prevalent virotype of enterotoxigenic E. coli recovered from cases of PWD in pigs in the United States. There was a significant increase in PWC cases submitted to the diagnostic laboratory in 2013, 2014, and 2021, respectively. A greater frequency of detection of F18 fimbrial adhesin (69.87%) was observed compared to F4 (26.19%), F5 (0.25%), F41 (0.13%), AIDA (0.10%), and multiple adhesins (3.46%), respectively. Hybrid ETEC:STEC pathotype was greater than ETEC and STEC, and STb toxin was present in 93.33% of the detected isolates. The most frequently observed virotype was F18:LT:STa:STb:Stx2e (27.71%). Smooth:mucoid colony morphology was associated with a greater likelihood of PWC (0.758, 0.968, and 0.993) compared to smooth, intermediate, and rough, respectively. The frequency of the F18:LT:STa:STb:Stx2e virotype increased across all U.S. states from 2016 to 2023, greatest in the northwest and east of Iowa and northeast Indiana in 2022 and Iowa in 2023. The virulence factors and morphology of enterotoxigenic E. coli associated with PWC across different states in the U.S. from 2010 to 2023 were diverse; nevertheless, the virotype F18:LT:STa:STb:Stx2e predominated and increased in frequency during this time period.
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