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Extended-Spectrum ß-Lactamase-Producing Escherichia coli in Conventional and Organic Pig Fattening Farms
- Antimicrobial resistance is an increasing global problem and complicates successful treatments of bacterial infections in animals and humans. We conducted a longitudinal study in Mecklenburg-Western Pomerania to compare the occurrence of ESBL-producing Escherichia (E.) coli in three conventional and four organic pig farms. ESBL-positive E. coli, especially of the CTX-M type, were found in all fattening farms, confirming that antimicrobial resistance is widespread in pig fattening and affects both conventional and organic farms. The percentage of ESBL-positive pens was significantly higher on conventional (55.2%) than on organic farms (44.8%) with similar proportions of ESBL-positive pens on conventional farms (54.3–61.9%) and a wide variation (7.7–84.2%) on organic farms. Metadata suggest that the farms of origin, from which weaner pigs were purchased, had a major influence on the occurrence of ESBL-producing E. coli in the fattening farms. Resistance screening showed that the proportion of pens with multidrug-resistant E. coli was similar on conventional (28.6%) and organic (31.5%) farms. The study shows that ESBL-positive E. coli play a major role in pig production and that urgent action is needed to prevent their spread.
Author: | Katharina Meissner, Carola Sauter-Louis, Stefan E. Heiden, Katharina SchauflerORCiD, Herbert Tomaso, Franz J. Conraths, Timo Homeier-Bachmann |
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URN: | urn:nbn:de:gbv:9-opus-61259 |
DOI: | https://doi.org/10.3390/microorganisms10030603 |
ISSN: | 2076-2607 |
Parent Title (English): | Microorganisms |
Publisher: | MDPI |
Place of publication: | Basel |
Editor: | Karsten Becker, Christopher Rensing |
Document Type: | Article |
Language: | English |
Date of first Publication: | 2022/03/11 |
Release Date: | 2022/11/15 |
Tag: | antimicrobial resistance; extended-spectrum ß-lactamase-producing; organic farming; pig |
GND Keyword: | - |
Volume: | 10 |
Issue: | 3 |
Article Number: | 603 |
Page Number: | 16 |
Faculties: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Pharmazie |
Licence (German): | Creative Commons - Namensnennung |