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Extended-spectrum beta-lactamase-producing Enterobacteriaceae in dairy farm environments: a New Zealand perspective

journal contribution
posted on 2023-05-03, 12:33 authored by Rose CollisRose Collis, Sara Burgess, Patrick Biggs, Anne Midwinter, Nigel French, Leah Toombs-Ruane, Adrian CooksonAdrian Cookson
Antimicrobial resistance (AMR) is a global issue for both human and animal health. Infections caused by antimicrobial-resistant bacteria present treatment option challenges and are often associated with heightened severity of infection. Antimicrobial use (AMU) in human and animal health is a main driver for the development of antimicrobial-resistant bacteria. Increasing levels of AMU and the development and spread of AMR in food-producing animals, especially in poultry and swine production, has been identified as a food safety risk, but dairy production systems have been less studied. A number of farm management practices may impact on animal disease and as a result can influence the use of antimicrobials and subsequently AMR prevalence. However, this relationship is multifactorial and complex. Several AMR transmission pathways between dairy cattle, the environment, and humans have been proposed, including contact with manure-contaminated pastures, direct contact, or through the food chain from contaminated animal-derived products. The World Health Organization has defined a priority list for selected bacterial pathogens of concern to human health according to 10 criteria relating to health and AMR. This list includes human pathogens such as the extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E), which can be associated with dairy cattle, their environment, as well as animal-derived food products. ESBL-E represent a potential risk to human and animal health and an emerging food safety concern. This review addresses two areas; first, the current understanding of the role of dairy farming in the prevalence and spread of AMR is considered, highlighting research gaps using ESBL-E as an exemplar; and second, a New Zealand perspective is taken to examine how farm management practices may contribute to on-farm AMU and AMR in dairy cattle.


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© 2019 Mary Ann Liebert, Inc., publishers. All rights reserved, USA and worldwide.


  • English

Does this contain Māori information or data?

  • No


Mary Ann Liebert, Inc.

Journal title

Foodborne Pathogens and Disease




Collis, R. M., Burgess, S. A., Biggs, P. J., Midwinter, A. C., French, N. P., Toombs-Ruane, L., & Cookson, A. L. (2019). Extended-spectrum beta-lactamase-producing Enterobacteriaceae in dairy farm environments: a New Zealand perspective. Foodborne Pathogens and Disease, 16(1), 5–22. doi:10.1089/fpd.2018.2524

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