Prevalence of Verotoxin-Producing Escherichia coli (VTEC) in a survey of dairy cattle in Najaf, Iraq.

A Al-Charrakh, A Al-Muhana

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Article in Iranian journal of microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 · What the graph read from it

What it found

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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.

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed, 2 citations in OpenAlex.

Characterization of Escherichia coli virulence genes, pathotypes and antibiotic resistance properties in diarrheic calves in Iran.Biological research · 2014
Article

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5 · Who and what money

Authors and funding

2 authors at 2 institutions in 1 country.

A Al-CharrakhCollege of Medicine, Babylon University, Department of Microbiology, College of Medicine, Babylon University.

A Al-Muhana

University of Babylon · IQUniversity of Kufa · IQ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesDairy cattle have been implicated as principal reservoir of Verotoxin-Producing Escherichia coli (VTEC), with undercooked ground beef and raw milk being the major vehicles of food borne outbreaks. VTEC has been implicated as an etiological agent of individual cases and outbreaks in developed countries. This study was designed to determine the prevalence of VETEC in diarrheic dairy calves up to 20 days of age in Najaf, Iraq. MATERIALS AND

methods326 fecal samples from diarrheic calves were collected for isolation of Escherichia coli O157:H7 and non-O157 VTEC isolates. Non-sorbitol fermentation, enterohemolysin phenotype, and slide agglutination with antisera were used for screening and detection of these serotypes.

resultsNineteen (5.8%) non-sorbitol fermenting and 3 (0.9%) enterohemolysin-producing E. coli were obtained. Only 9 were agglutinated with available antisera and none of them belonged to the O157:H7 serotype. Three were found to be verotoxin positive on Vero cell monolayers. These included serotype O111 (2 isolates) and serotype O128 (1 isolate). All three VTEC isolates were resistant to ampicillin and streptomycin. Two exhibited adherence phenotype on HEp-2 cells.

conclusionE. coli O157:H7 serotype is not prevalent in diarrheic dairy calves, and VTEC is not a frequent cause of diarrhea in calves in Najaf/ Iraq.

Indexed as

dairy cattleO157:H7 serotypeprevalenceVerotoxin-producing E. coli

Identifiers

PMID22347561

PMCPMC3279783

OpenAlexW2136369168

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