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EFSA research sheds light on the sources of AMR in food production


Source: Megan Howell, The Pig Site, 21 June 2021, photo credit:  Queen’s University Belfast

New research from the European Food Safety Agency (EFSA) suggests that fertilizers and feed are among the leading sources of antimicrobial resistance (AMR) in food production.

Fertilizers of fecal origin, irrigation, and water are the most significant sources of antimicrobial resistance (AMR) in plant-based food and/or aquaculture. In terrestrial animal production, potential sources are feed, humans, water, air or dust, soil, wildlife, rodents, arthropods, and equipment, says EFSA.

For the first time, EFSA experts have assessed the role of food producing environments in the emergence and spread of AMR. They identified the main sources of AMR bacteria and genes, although current data do not allow quantification of the specific contribution each of them makes to this global problem.

EFSA identified the resistant bacteria and genes of highest priority for public health that can be transmitted through the food chain and reviewed the scientific literature to describe their occurrence in those environmental sources.

Measures to limit the emergence and spread of resistance in food production environments include reducing the fecal microbial contamination of fertilizers, water and feed, and the implementation of good hygiene practices. Experts also made recommendations on priority areas for research that would help to close data gaps – thereby helping EU risk managers to implement the EU One Health Action plan against AMR.
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