Fecal Carriage of Extended-Spectrum-β-Lactamase/AmpC-Producing Escherichia coli in Horses

Author:

Hordijk Joost1,Farmakioti Evangelia1,Smit Lidwien A. M.2,Duim Birgitta1,Graveland Haitske1,Theelen Mathijs J. P.13,Wagenaar Jaap A.14

Affiliation:

1. Utrecht University, Faculty of Veterinary Medicine, Department of Infectious Diseases and Immunology, Utrecht, the Netherlands

2. Utrecht University, Institute for Risk Assessment Sciences, Utrecht, the Netherlands

3. Utrecht University, Faculty of Veterinary Medicine, Department of Equine Sciences, Utrecht, the Netherlands

4. Wageningen Bioveterinary Research, Lelystad, the Netherlands

Abstract

Extended-spectrum β-lactamases (ESBLs) are widespread in human and animal populations and in the environment. Many different ESBL variants exist. The dissemination of ESBLs within and between populations and the environment is also largely influenced by genetic mobile elements (e.g., plasmids) that facilitate spread of these ESBLs. In order to identify potential attributable ESBL sources for, e.g., the human population, it is important to identify the different ESBL variants, the bacteria carrying them, and the potential risk factors for ESBL carriage from other potential sources. This nationwide study focuses on ESBL carriage in the open horse population and investigated the molecular characteristics, geographical distribution throughout the Netherlands, and potential risk factors for fecal ESBL carriage in horses. These data can be used for future attribution studies in order to reduce potential transmission of ESBL-producing bacteria between sources.

Funder

Utrecht University

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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