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Emissions of Escherichia coli Carrying Extended-Spectrum β-Lactamase Resistance from Pig Farms to the Surrounding Environment

Author

Listed:
  • Lili Gao

    (College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271000, Shandong, China
    Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province, Tai'an 271000, Shandong, China
    Key Laboratory of Animal Biotechnology and Disease Control and Prevention of Shandong Province, Tai'an 271000, Shandong, China
    These authors contributed equally to this work.)

  • Yeke Tan

    (Tai'an City Central Hospital, Tai'an 271000, Shandong, China
    These authors contributed equally to this work.)

  • Xiaodan Zhang

    (College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271000, Shandong, China
    Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province, Tai'an 271000, Shandong, China
    Key Laboratory of Animal Biotechnology and Disease Control and Prevention of Shandong Province, Tai'an 271000, Shandong, China
    These authors contributed equally to this work.)

  • Jiaqing Hu

    (College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271000, Shandong, China)

  • Zengmin Miao

    (College of Life Sciences, Taishan Medical University, Tai'an 271000, China)

  • Liangmeng Wei

    (College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271000, Shandong, China
    Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province, Tai'an 271000, Shandong, China
    Key Laboratory of Animal Biotechnology and Disease Control and Prevention of Shandong Province, Tai'an 271000, Shandong, China)

  • Tongjie Chai

    (College of Veterinary Medicine, Shandong Agricultural University, Tai'an 271000, Shandong, China
    Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province, Tai'an 271000, Shandong, China
    Key Laboratory of Animal Biotechnology and Disease Control and Prevention of Shandong Province, Tai'an 271000, Shandong, China)

Abstract

The dissemination of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli ( E. coli ) from food-producing animals to the surrounding environment has attracted much attention. To determine the emissions of ESBL-producing E. coli from pig farms to the surrounding environment, fecal and environmental samples from six pig farms were collected. In total, 119 ESBL-producing E. coli were isolated from feces, air samples, water, sludge and soil samples. Antibiotic susceptibility testing showed that the ESBL-producing isolates were resistant to multiple antibiotics and isolates of different origin within the same farm showed similar resistance phenotypes. Both CTX-M and TEM ESBL-encoding genes were detected in these isolates. CTX-M-14 and CTX-M-15 were the predominant ESBL genes identified. ESBL producers from feces and environmental samples within the same farm carried similar CTX-M types. The results indicated that the ESBL-producing E. coli carrying multidrug resistance could readily disseminate to the surrounding environment.

Suggested Citation

  • Lili Gao & Yeke Tan & Xiaodan Zhang & Jiaqing Hu & Zengmin Miao & Liangmeng Wei & Tongjie Chai, 2015. "Emissions of Escherichia coli Carrying Extended-Spectrum β-Lactamase Resistance from Pig Farms to the Surrounding Environment," IJERPH, MDPI, vol. 12(4), pages 1-11, April.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:4:p:4203-4213:d:48264
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    Cited by:

    1. Xiujuan Chen & Linhai Wu & Xuyan Xie, 2018. "Assessing the Linkages between Knowledge and Use of Veterinary Antibiotics by Pig Farmers in Rural China," IJERPH, MDPI, vol. 15(6), pages 1-13, May.

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