Skip to main content
  • ASM
    • Antimicrobial Agents and Chemotherapy
    • Applied and Environmental Microbiology
    • Clinical Microbiology Reviews
    • Clinical and Vaccine Immunology
    • EcoSal Plus
    • Eukaryotic Cell
    • Infection and Immunity
    • Journal of Bacteriology
    • Journal of Clinical Microbiology
    • Journal of Microbiology & Biology Education
    • Journal of Virology
    • mBio
    • Microbiology and Molecular Biology Reviews
    • Microbiology Resource Announcements
    • Microbiology Spectrum
    • Molecular and Cellular Biology
    • mSphere
    • mSystems
  • Log in
  • My alerts
  • My Cart

Main menu

  • Home
  • Articles
    • Current Issue
    • Accepted Manuscripts
    • COVID-19 Special Collection
    • Archive
    • Minireviews
  • For Authors
    • Submit a Manuscript
    • Scope
    • Editorial Policy
    • Submission, Review, & Publication Processes
    • Organization and Format
    • Errata, Author Corrections, Retractions
    • Illustrations and Tables
    • Nomenclature
    • Abbreviations and Conventions
    • Publication Fees
    • Ethics Resources and Policies
  • About the Journal
    • About AEM
    • Editor in Chief
    • Editorial Board
    • For Reviewers
    • For the Media
    • For Librarians
    • For Advertisers
    • Alerts
    • RSS
    • FAQ
  • Subscribe
    • Members
    • Institutions
  • ASM
    • Antimicrobial Agents and Chemotherapy
    • Applied and Environmental Microbiology
    • Clinical Microbiology Reviews
    • Clinical and Vaccine Immunology
    • EcoSal Plus
    • Eukaryotic Cell
    • Infection and Immunity
    • Journal of Bacteriology
    • Journal of Clinical Microbiology
    • Journal of Microbiology & Biology Education
    • Journal of Virology
    • mBio
    • Microbiology and Molecular Biology Reviews
    • Microbiology Resource Announcements
    • Microbiology Spectrum
    • Molecular and Cellular Biology
    • mSphere
    • mSystems

User menu

  • Log in
  • My alerts
  • My Cart

Search

  • Advanced search
Applied and Environmental Microbiology
publisher-logosite-logo

Advanced Search

  • Home
  • Articles
    • Current Issue
    • Accepted Manuscripts
    • COVID-19 Special Collection
    • Archive
    • Minireviews
  • For Authors
    • Submit a Manuscript
    • Scope
    • Editorial Policy
    • Submission, Review, & Publication Processes
    • Organization and Format
    • Errata, Author Corrections, Retractions
    • Illustrations and Tables
    • Nomenclature
    • Abbreviations and Conventions
    • Publication Fees
    • Ethics Resources and Policies
  • About the Journal
    • About AEM
    • Editor in Chief
    • Editorial Board
    • For Reviewers
    • For the Media
    • For Librarians
    • For Advertisers
    • Alerts
    • RSS
    • FAQ
  • Subscribe
    • Members
    • Institutions
Public Health Microbiology

Prevalence of Extended-Spectrum β-Lactamase-Producing Escherichia coli on Bavarian Dairy and Beef Cattle Farms

A. Schmid, S. Hörmansdorfer, U. Messelhäusser, A. Käsbohrer, C. Sauter-Louis, R. Mansfeld
A. Schmid
aBavarian Health and Food Safety Authority, Oberschleissheim, Germany
cClinic for Ruminants, LMU Munich, Oberschleissheim, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
S. Hörmansdorfer
aBavarian Health and Food Safety Authority, Oberschleissheim, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
U. Messelhäusser
aBavarian Health and Food Safety Authority, Oberschleissheim, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
A. Käsbohrer
bThe Federal Institute for Risk Assessment, Berlin, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
C. Sauter-Louis
cClinic for Ruminants, LMU Munich, Oberschleissheim, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
R. Mansfeld
cClinic for Ruminants, LMU Munich, Oberschleissheim, Germany
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
DOI: 10.1128/AEM.00204-13
  • Article
  • Figures & Data
  • Info & Metrics
  • PDF
Loading

Article Figures & Data

Figures

  • Tables
  • Fig 1
    • Open in new tab
    • Download powerpoint
    Fig 1

    Distribution of β-lactamase genes in 184 ESBL-producing E. coli isolates and 48 AmpC-producing E. coli isolates from mixed dairy and beef cattle farms and beef cattle farms.

  • Fig 2
    • Open in new tab
    • Download powerpoint
    Fig 2

    ESBL-producing E. coli isolates resistant to one or more classes of antimicrobial substances. The asterisk indicates that if an isolate was classified as intermediate for a group, it was categorized as resistant.

Tables

  • Figures
  • Table 1

    Numbers and distributions of samples collected from farms

    Sample source (n)No. of samples
    Fecal (3/group)Boot swabs (1 pair/group)Dust (1/group)
    Mixed farms (30)
        Cows903129b
        Calves89a3030
        Beef cattle89a3129b
        Sum2689288
    Beef cattle farms (15)
        Youngest group451515
        Oldest group451614b
        Sum903129
    Control group (10)
        Cow-calf herds (9)2793c
        Beef cattle farms (1)622
        Sum33115
    • ↵a There were not enough animals for a third fecal sample.

    • ↵b A dust sample was replaced with another pair of boot swabs.

    • ↵c If not on pasture, a dust sample was collected as well.

  • Table 2

    Percentages of ESBL-producing E. coli-positive samples and confidence intervals

    Sample sourceNo. of samples/total (%) [CI]
    FecalBoot swabsDust
    Mixed farms
        Cows37/90 (41.1) [31.5–51.4]14/31 (45.2) [29.2–62.2]5/29 (17.2) [7.6–34.6]
        Calves50/89 (56.2) [45.8–66.0]21/30 (70) [52.1–83.3]12/30 (40) [24.6–57.7]
        Beef cattle19/89 (21.4) [14.1–31.0]12/31 (38.7) [23.7–56.2]0/29 (0) [0.0–11.7]
        Sum106/268 (39.6) [33.9–45.5]47/92 (51.1) [41.0–61.1]17/88 (19.3) [12.4–28.8]
    Beef cattle farms
        Youngest group12/45 (26.7) [16.0–41.0]3/15 (20) [7.1–45.2]1/15 (6.7) [1.2–29.8]
        Oldest group5/45 (11.1) [4.8–23.5]5/16 (31.3) [14.2–55.6]0/14 (0) [0.0–21.5]
        Sum17/90 (18.9) [12.1–28.2]8/31 (25.8) [13.7–43.3]1/29 (3.5) [0.6–17.2]
    Total sum for mixed farms and beef cattle farms123/358 (34.4) [29.6–39.4]55/123 (44.7) [36.2–53.5]18/117 (15.4) [10.0–23.0]
    Control group0/33 (0) [0.0–10.4]3/11 (27.3) [9.8–56.6]0/5 (0) [0.0–43.5]
  • Table 3

    Resistance patterns of bovine ESBL-producing E. coli isolates

    Antimicrobial(s)No. (%) of isolates from:
    Mixed dairy and beef cattle farms (n = 170)Beef cattle farms (n = 26)
    SusceptibleIntermediateResistantSusceptibleIntermediateResistant
    Ampicillin00170 (100)0026 (100)
    Cefazolin00170 (100)0026 (100)
    Cefuroxime00170 (100)0026 (100)
    Cephalexin1 (0.6)0169 (99.4)1 (3.9)025 (96.2)
    Cefotaxime1 (0.6)7 (4.1)162 (95.3)04 (15.4)22 (84.6)
    Ceftazidime33 (19.4)82 (48.2)55 (32.4)10 (38.5)10 (38.5)6 (23.1)
    Imipenem170 (100)0026 (100)00
    Meropenem170 (100)0026 (100)00
    Ertapenem170 (100)0025 (96.2)01 (3.9)
    Aztreonam1 (0.6)26 (15.3)143 (84.1)1 (3.9)8 (30.8)17 (65.4)
    Nitrofurantoin164 (96.5)0 (0)6 (3.5)23 (88.5)03 (11.5)
    Gentamicin78 (45.9)5 (2.9)87 (51.2)22 (84.6)04 (15.4)
    Tobramycin73 (42.9)097 (57.1)19 (73.1)07 (26.9)
    Amikacin169 (99.4)1 (0.6)026 (100)00
    Ciprofloxacin68 (40.0)2 (1.2)100 (58.8)22 (84.6)04 (15.4)
    Trimethoprim-sulfomethoxazole48 (28.2)0122 (71.8)14 (53.8)012 (46.2)
    Piperacillin-tazobactam141 (82.9)5 (2.9)24 (14.1)22 (84.6)04 (15.4)
    Amoxicillin-clavulanic acid80 (47.1)090 (52.9)12 (46.2)014 (53.8)
    Colistin170 (100)0026 (100)00
    Fosfomycin169 (99.4)01 (0.6)23 (88.5)03 (11.5)
PreviousNext
Back to top
Download PDF
Citation Tools
Prevalence of Extended-Spectrum β-Lactamase-Producing Escherichia coli on Bavarian Dairy and Beef Cattle Farms
A. Schmid, S. Hörmansdorfer, U. Messelhäusser, A. Käsbohrer, C. Sauter-Louis, R. Mansfeld
Applied and Environmental Microbiology Apr 2013, 79 (9) 3027-3032; DOI: 10.1128/AEM.00204-13

Citation Manager Formats

  • BibTeX
  • Bookends
  • EasyBib
  • EndNote (tagged)
  • EndNote 8 (xml)
  • Medlars
  • Mendeley
  • Papers
  • RefWorks Tagged
  • Ref Manager
  • RIS
  • Zotero
Print

Alerts
Sign In to Email Alerts with your Email Address
Email

Thank you for sharing this Applied and Environmental Microbiology article.

NOTE: We request your email address only to inform the recipient that it was you who recommended this article, and that it is not junk mail. We do not retain these email addresses.

Enter multiple addresses on separate lines or separate them with commas.
Prevalence of Extended-Spectrum β-Lactamase-Producing Escherichia coli on Bavarian Dairy and Beef Cattle Farms
(Your Name) has forwarded a page to you from Applied and Environmental Microbiology
(Your Name) thought you would be interested in this article in Applied and Environmental Microbiology.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Share
Prevalence of Extended-Spectrum β-Lactamase-Producing Escherichia coli on Bavarian Dairy and Beef Cattle Farms
A. Schmid, S. Hörmansdorfer, U. Messelhäusser, A. Käsbohrer, C. Sauter-Louis, R. Mansfeld
Applied and Environmental Microbiology Apr 2013, 79 (9) 3027-3032; DOI: 10.1128/AEM.00204-13
del.icio.us logo Digg logo Reddit logo Twitter logo CiteULike logo Facebook logo Google logo Mendeley logo
  • Top
  • Article
    • ABSTRACT
    • INTRODUCTION
    • MATERIALS AND METHODS
    • RESULTS
    • DISCUSSION
    • ACKNOWLEDGMENTS
    • FOOTNOTES
    • REFERENCES
  • Figures & Data
  • Info & Metrics
  • PDF

Related Articles

Cited By...

About

  • About AEM
  • Editor in Chief
  • Editorial Board
  • Policies
  • For Reviewers
  • For the Media
  • For Librarians
  • For Advertisers
  • Alerts
  • RSS
  • FAQ
  • Permissions
  • Journal Announcements

Authors

  • ASM Author Center
  • Submit a Manuscript
  • Article Types
  • Ethics
  • Contact Us

Follow #AppEnvMicro

@ASMicrobiology

       

ASM Journals

ASM journals are the most prominent publications in the field, delivering up-to-date and authoritative coverage of both basic and clinical microbiology.

About ASM | Contact Us | Press Room

 

ASM is a member of

Scientific Society Publisher Alliance

 

American Society for Microbiology
1752 N St. NW
Washington, DC 20036
Phone: (202) 737-3600

Copyright © 2021 American Society for Microbiology | Privacy Policy | Website feedback

 

Print ISSN: 0099-2240; Online ISSN: 1098-5336