Journal
ANNUAL REVIEW OF ANIMAL BIOSCIENCES, VOL 9, 2021
Volume 9, Issue -, Pages 313-332Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-animal-072020-080638
Keywords
antimicrobial use; antimicrobial resistance; livestock; framework
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Antimicrobial resistance poses a threat to both animal and human health, with reductions in antimicrobial use being a key intervention to mitigate resistance. Stakeholders have implemented antimicrobial stewardship programs to reduce use, yet the impacts have been varied. Future priorities should include a greater consideration of host-microbial interactions in dictating resistance.
Antimicrobial resistance (AMR) is a threat to animal and human health. Antimicrobial use has been identified as a major driver of AMR, and reductions in use are a focal point of interventions to reduce resistance. Accordingly, stakeholders in human health and livestock production have implemented antimicrobial stewardship programs aimed at reducing use. Thus far, these efforts have yielded variable impacts on AMR. Furthermore, scientific advances are prompting an expansion and more nuanced appreciation of the many nonantibiotic factors that drive AMR, as well as how these factors vary across systems, geographies, and contexts. Given these trends, we propose a framework to prioritize AMR interventions. We use this framework to evaluate the impact of interventions that focus on antimicrobial use. We conclude by suggesting that priorities be expanded to include greater consideration of host-microbial interactions that dictate AMR, as well as anthropogenic and environmental systems that promote dissemination of AMR.
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