Responsible Antibiotic Use in Veterinary Practice: Practical Strategies to Slow Antimicrobial Resistance

Antibiotics are indispensable in veterinary medicine for treating bacterial infections and safeguarding animal health. However, inappropriate and excessive antimicrobial use has accelerated the emergence of antimicrobial resistance (AMR), reducing the effectiveness of many commonly used drugs. For practicing veterinarians, responsible antibiotic prescribing, combined with preventive healthcare measures, plays a vital role in preserving antimicrobial efficacy while ensuring optimal patient care. 

Understanding the Drivers of Antimicrobial Resistance 

The development of AMR is closely linked to how antibiotics are used in veterinary practice. Antibiotics are administered not only for therapeutic purposes but also for disease prevention and, in some production systems, growth promotion¹. Frequent exposure to antimicrobials creates selective pressure that allows resistant bacteria to survive while susceptible organisms are eliminated. 

Additional factors further accelerate resistance development, including over-the-counter availability of antibiotics, inappropriate prescribing, incorrect dosing, prolonged treatment durations, and the use of broad-spectrum antimicrobials without clear clinical justification². Recognizing these drivers is the first step toward implementing effective antimicrobial stewardship. 

Strengthening Antimicrobial Stewardship 

Antimicrobial stewardship aims to optimize antibiotic use without compromising patient care. Selecting antibiotics based on clinical need rather than routine practice helps reduce unnecessary antimicrobial exposure. Whenever feasible, bacterial culture and antimicrobial susceptibility testing support targeted therapy by identifying the most appropriate antimicrobial for the infecting organism³. 

Stewardship also extends beyond prescribing decisions. Educating animal owners and producers about completing prescribed treatment courses, administering medications correctly, and avoiding unsupervised antibiotic use helps reduce inappropriate antimicrobial exposure and supports better treatment outcomes. 

Disease Prevention Reduces Antibiotic Dependence 

Preventing infectious diseases decreases the need for antimicrobial therapy and remains one of the most effective strategies for slowing AMR. 

Effective biosecurity measures include: 

• Quarantining newly introduced animals. 

• Maintaining proper sanitation and hygiene. 

• Ensuring clean water and adequate ventilation. 

• Managing animal movement appropriately. 

• Implementing safe waste disposal practices. 

Together, these measures reduce pathogen transmission within animal populations and lower the likelihood of disease outbreaks requiring antibiotic treatment^1. 

Vaccination further strengthens disease prevention by reducing the incidence of bacterial infections. Vaccines targeting pathogens such as Salmonella, Escherichia coli, and Pasteurella multocida help decrease antimicrobial use while supporting flock and herd health⁴. 

Exploring Complementary Approaches 

The document also highlights several emerging strategies that may help reduce reliance on conventional antibiotics. Probiotics and prebiotics promote beneficial intestinal microbiota and improve overall animal health, while bacteriophage therapy offers a targeted approach against specific bacterial pathogens¹. 

Technological innovations are also supporting more precise disease management. Precision farming systems that incorporate sensor technologies and artificial intelligence enable earlier disease detection, allowing veterinarians and producers to implement timely interventions and reduce unnecessary antimicrobial administration. 

Conclusion 

Responsible antibiotic use requires more than selecting an appropriate drug. Judicious prescribing, culture and susceptibility testing, strong biosecurity, vaccination, owner education, and the adoption of complementary disease prevention strategies all contribute to reducing antimicrobial pressure. By integrating these approaches into routine veterinary practice, veterinarians can help preserve the effectiveness of existing antibiotics while supporting sustainable animal health management. 

References 

1. Naheed G, Sultan T, Barvi LA. Emerging antimicrobial resistance in companion, farm animals and poultry: a veterinary concern. Journal of Medical & Health Sciences Review. 2025 Jun 6;2(2). https://jmhsr.info/index.php/jmhsr/article/download/346/438 

2. Yarahmadi A, Najafiyan H, Yousefi MH, Khosravi E, Shabani E, Afkhami H, Aghaei SS. Beyond antibiotics: exploring multifaceted approaches to combat bacterial resistance in the modern era: a comprehensive review. Frontiers in Cellular and Infection Microbiology. 2025 Mar 18;15:1493915. https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2025.1493915/pdf 

3. Powell A, Bard AM, Rees GM. Assessing veterinarians’ opinions of antimicrobial stewardship initiative acceptability for farm practice in Wales. Veterinary Record. 2024 Nov 16;195(10):no-. https://bvajournals.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/vetr.4799 

4. Chung YC, Cheng LT, Chu CY, Afzal H, Doan TD. Flagellin Enhances the Immunogenicity of Pasteurella multocida Lipoprotein E Subunit Vaccine. Avian Diseases. 2024 Sep 1;68(3):183-91. https://www.researchgate.net/profile/Thu-Dung-Doan/publication/381703514_Flagellin_Enhances_the_Immunogenicity_of_Pasteurella_multocida_Lipoprotein_E_Subunit_Vaccine/links/67a2c7cd207c0c20fa78a52e/Flagellin-Enhances-the-Immunogenicity-of-Pasteurella-multocida-Lipoprotein-E-Subunit-Vaccine.pdf