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Tytuł pozycji:

Efficacy of six disinfection methods against extended-spectrum beta-lactamase (ESBL) producing E. coli on eggshells in vitro.

Tytuł :
Efficacy of six disinfection methods against extended-spectrum beta-lactamase (ESBL) producing E. coli on eggshells in vitro.
Autorzy :
Motola G; Institute of Poultry Diseases, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany.
Hafez HM; Institute of Poultry Diseases, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany.
Brüggemann-Schwarze S; Institute of Poultry Diseases, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany.
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Źródło :
PloS one [PLoS One] 2020 Sep 11; Vol. 15 (9), pp. e0238860. Date of Electronic Publication: 2020 Sep 11 (Print Publication: 2020).
Typ publikacji :
Journal Article; Research Support, Non-U.S. Gov't
Język :
English
Imprint Name(s) :
Original Publication: San Francisco, CA : Public Library of Science
MeSH Terms :
Disinfectants/*pharmacology
Disinfection/*classification
Disinfection/*methods
Egg Shell/*drug effects
Escherichia coli/*enzymology
Escherichia coli Infections/*drug therapy
beta-Lactamases/*metabolism
Animals ; Egg Shell/microbiology ; Escherichia coli/drug effects ; Escherichia coli/isolation & purification ; Escherichia coli Infections/metabolism ; Escherichia coli Infections/microbiology ; Humans ; In Vitro Techniques
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Substance Nomenclature :
0 (Disinfectants)
EC 3.5.2.6 (beta-Lactamases)
Entry Date(s) :
Date Created: 20200911 Date Completed: 20201102 Latest Revision: 20201102
Update Code :
20210210
PubMed Central ID :
PMC7486133
DOI :
10.1371/journal.pone.0238860
PMID :
32916695
Czasopismo naukowe
The presence of extended-spectrum beta-lactamase (ESBL) producing Escherichia coli on poultry products is an important issue for veterinary and human health due to the zoonotic infection risk for producers and consumers. The present study focuses on testing the efficacy of six different disinfection methods on eggshell samples, aiming to reduce ESBL producing E. coli contamination on the hatching egg. Sterile eggshell cutouts were artificially contaminated with 108 cfu/ml CTX-M-1 producing E. coli and used as a carrier model to analyze the efficacy of six disinfection methods. The contaminated samples were separated into two groups; 1) contaminated and disinfected, 2) contaminated and non-disinfected. Six independent disinfection protocols were performed following product specifications and protocols. Each eggshell sample was separately crushed, and the total viable bacterial count was calculated to determine the disinfection efficacy. Five out of six tested methods (formaldehyde gassing, hydrogen peroxide + alcohol spray, essential oils spray, peracetic acid foam, and low energetic electron radiation) demonstrated a reduction or completely eliminated the initial ESBL producing E. coli contamination. One method (essential oils as cold fog) only partly reached the expected efficacy threshold (reduction of >102 cfu/ml) and the result differed significantly when compared to the reference method i.e. formaldehyde gassing.
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