Shiga toxin-producing Escherichia coli O157 in feedlot cattle and Norwegian rats from a large-scale farm
Language English Country England, Great Britain Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Bacterial Toxins biosynthesis genetics MeSH
- Columbidae microbiology MeSH
- Escherichia coli O157 classification growth & development isolation & purification MeSH
- Feces microbiology MeSH
- Immunomagnetic Separation MeSH
- Escherichia coli Infections microbiology veterinary MeSH
- Rats microbiology MeSH
- Culture Media MeSH
- Rodent Diseases microbiology MeSH
- Cattle Diseases microbiology MeSH
- Carrier State microbiology veterinary MeSH
- Shiga Toxins MeSH
- Cattle MeSH
- Songbirds microbiology MeSH
- Animals MeSH
- Check Tag
- Rats microbiology MeSH
- Cattle MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Bacterial Toxins MeSH
- Culture Media MeSH
- Shiga Toxins MeSH
A total of 365 faecal samples from different categories of cattle, 12 samples of untreated slurry, 50 samples of fresh droppings of feral domestic pigeons, 20 samples of fresh droppings of domestic sparrows and stool samples of 19 synanthropic rodents were examined for the presence of Escherichia coli by broth enrichment culture and a subsequent immunomagnetic separation. Escherichia coli O157 was found in 72 (20%) bovine samples, six (50%) samples of untreated slurry and four (40%) of 10 rats (Rattus norvegicus). Significant differences were found in the E. coli O157 shedding frequency between different age categories of bulls. Genes stx2 and eaeA were detected in all isolates, and the stx1 gene in all but 10 isolates.
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