Abstract
Antimicrobial resistance is a major public health crisis, eroding the discovery of antimicrobials and their application to clinical medicine. There is a general lack of knowledge of the importance of agricultural antimicrobial use as a factor in antimicrobial resistance even among experts in medicine and public health. This review focuses on agricultural antimicrobial drug use as a major driver of antimicrobial resistance worldwide for four reasons: It is the largest use of antimicrobials worldwide; much of the use of antimicrobials in agriculture results in subtherapeutic exposures of bacteria; drugs of every important clinical class are utilized in agriculture; and human populations are exposed to antimicrobial-resistant pathogens via consumption of animal products as well as through widespread release into the environment.
Generated Summary
This review article, published in the Annual Review of Public Health, investigates the significant role of industrial food animal production (IFAP) in driving antimicrobial resistance (AMR) and its subsequent effects on human health. The study focuses on the extensive use of antimicrobial drugs in agriculture and how this practice contributes to the global crisis of AMR. The review employs a comprehensive approach, examining the four primary reasons why agricultural antimicrobial use is a major driver of AMR worldwide. The methodology involves synthesizing existing literature and data to highlight the link between IFAP practices and the emergence and spread of antimicrobial-resistant pathogens. The scope of the review encompasses a global perspective, focusing on how the use of antimicrobials in agriculture affects human populations through various pathways, including the consumption of animal products and environmental contamination.
Key Findings & Statistics
- The review emphasizes that the use of antimicrobials in agriculture is the largest globally, contributing significantly to the development of AMR.
- A substantial portion of antimicrobial use in agriculture leads to subtherapeutic exposures of bacteria, increasing the risk of resistance.
- Antimicrobials from every important clinical class are utilized in agriculture, potentially compromising their efficacy in human medicine.
- Human populations are exposed to antimicrobial-resistant pathogens through consumption of animal products.
- AMR erodes the effectiveness of antimicrobials and their application in clinical medicine, posing a major public health crisis.
Other Important Findings
- The review highlights a lack of knowledge about the importance of agricultural antimicrobial use in antimicrobial resistance among experts in medicine and public health.
- The review underscores the complex interaction between agricultural practices, environmental contamination, and human health in the context of AMR.
- The widespread use of antimicrobials in agriculture and the subtherapeutic exposures that result foster the development of antimicrobial resistance.
- Consumption of animal products contributes to human exposure to antimicrobial-resistant pathogens.
Limitations Noted in the Document
- The study is a review article, and as such, the findings are limited to the data available in existing literature.
- The scope of the review is broad, covering global issues, which may not allow for a detailed examination of specific regional practices.
- The article does not include original research, but rather synthesizes existing information, which may be subject to biases present in the original studies.
- The article’s focus on agricultural use does not fully address other factors influencing AMR, such as human antibiotic use or environmental factors unrelated to agriculture.
Conclusion
The review strongly emphasizes the critical need for a better understanding of the role of agricultural practices in the emergence and spread of antimicrobial resistance. The authors conclude that the extensive use of antimicrobials in IFAP poses a significant threat to public health by eroding the effectiveness of essential medicines. The review’s findings highlight the need for interventions that limit antimicrobial use in agriculture and reduce the risk of exposure to antimicrobial-resistant pathogens. The review suggests that, to combat AMR, strategies should focus on promoting responsible antibiotic use in animal agriculture, enhancing surveillance of resistance patterns, and developing alternative disease management strategies. Furthermore, the authors suggest policies and practices that reduce the reliance on antimicrobials in IFAP, thereby helping to safeguard both animal and human health. The review emphasizes that addressing the issue requires a multidisciplinary approach that involves public health, medicine, agriculture, and environmental science to implement effective and sustainable solutions.