Antibiotic use in animals--prejudices, perceptions and realities

Area of Science:

• Veterinary Medicine
• Public Health
• Microbiology

Background:

• Regulatory authorities worldwide have restricted antibiotic use as growth promoters in animal feed.
• The practice is contentious, with debates on its impact on antimicrobial resistance (AMR) and human health.
• Polarized viewpoints exist regarding the link between antibiotic use in animals and resistance in human pathogens.

Purpose of the Study:

• To critically evaluate the arguments presented by both proponents and opponents of antibiotic bans in animal agriculture.
• To explore the potential risks of increased antimicrobial resistance in human pathogens due to animal antibiotic use.
• To identify a path forward in the ongoing global debate on antibiotic stewardship in livestock.

Main Methods:

• Review and analysis of existing scientific literature and regulatory stances.
• Examination of evidence presented by proponents linking bans to reduced resistance rates.
• Assessment of counterarguments questioning the direct link and highlighting impacts on animal health.

Main Results:

• Proponents cite decreased resistance in animal and human isolates following bans.
• Detractors question the evidence for a direct link and report negative effects on animal health.
• The debate highlights the complexity of antimicrobial resistanceOne view is presented by Phillips et al., with this article offering a balanced perspective.

Conclusions:

• The debate on antibiotic growth promoters in animal feed is complex, involving public health, animal welfare, and economic considerations.
• Further research is needed to definitively establish the link between antibiotic use in animals and human pathogen resistance.
• A balanced approach and clear guidelines are essential for responsible antibiotic stewardship in animal agriculture to mitigate AMR risks.