Research Advances in Antimicrobial Stewardship, Residues and Resistance in Veterinary and Environmental Science

A special issue of Antibiotics (ISSN 2079-6382). This special issue belongs to the section "Antibiotics in Animal Health".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 2140

Special Issue Editors


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Guest Editor
Queensland Alliance for One Health Sciences, School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
Interests: veterinary infectious diseases; antimicrobial resistance; antimicrobial stewardship; infection control; zoonotic diseases

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Guest Editor
Queensland Alliance for One Health Sciences, School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
Interests: veterinary public health; zoonotic diseases epidemiology; animal biosecurity; one health
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Special Issue Information

Dear Colleagues,

Antimicrobial resistance (AMR) threatens human, animal, and environmental health, underscoring the need for advancing antimicrobial stewardship (AMS) in the veterinary sciences. This Special Issue highlights cutting-edge research that addresses this global challenge from a veterinary science perspective, considering critical facets of AMR, including antimicrobial residues (ARs) and AMS’ effect on animal health.

Contributions to this Special Issue may explore at-risk epidemiological groups, novel diagnostic tools, innovative therapeutic approaches, and integrated management strategies for reducing antimicrobial use while maintaining animal welfare and productivity. Studies could also focus on the environmental and public health dimensions of ARs in agricultural systems, presenting data-driven approaches to mitigate their impacts on human health and ecosystems.

Insights from studies on interdisciplinary and transectoral collaborations should demonstrate how coordinated efforts across veterinary, medical, and environmental sectors can strengthen stewardship practices to achieve a One Health outcome. This Special Issue also features case studies showcasing the successful implementation of antimicrobial stewardship programs in diverse veterinary and environmental contexts, as well as policy-focused analyses offering frameworks for sustainable, cross-sectoral AMR and AR mitigation strategies.

By bridging research, practice and policy, this Special Issue provides a comprehensive collection of studies showcasing the latest methodological advancements, operational challenges, and policy opportunities for combating AMR and ARs. Studies included in this Special Issue will serve as an important resource for veterinarians, researchers, policymakers, and environmental industry stakeholders committed to safeguarding the efficacy of antimicrobials for animal patients and the community.

Dr. Justine S. Gibson
Dr. Ricardo Magalhães
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antimicrobial resistance (AMR)
  • antimicrobial stewardship (AMS)
  • antimicrobial residues (ARs)
  • diagnostic tools and therapeutics
  • epidemiology
  • sustainable AMR mitigation
  • one health
  • veterinary sciences

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Published Papers (2 papers)

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15 pages, 1629 KiB  
Article
Piloting an Information and Communication Technology Tool to Help Addressing the Challenge of Antimicrobial Resistance in Low-Income Countries
by Florence Mutua, Joshua Orungo Onono, Sofia Boqvist, Patricia Koech, Abdullahi M. Abdi, Hildah Karimi and Susanna Sternberg-Lewerin
Antibiotics 2025, 14(4), 373; https://doi.org/10.3390/antibiotics14040373 - 3 Apr 2025
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Abstract
Background/Objectives: Antimicrobial use (AMU) in livestock drives antimicrobial resistance (AMR). AMR has a significant impact on public health. While several interventions have been used to address this challenge, few have utilized Information and Communication Technology (ICT) approaches. The objective of this study [...] Read more.
Background/Objectives: Antimicrobial use (AMU) in livestock drives antimicrobial resistance (AMR). AMR has a significant impact on public health. While several interventions have been used to address this challenge, few have utilized Information and Communication Technology (ICT) approaches. The objective of this study was to pilot and assess an ICT system to monitor the use of veterinary drugs and disseminate information to farmers in peri-urban smallholder poultry systems in Kenya. Methods: The system was developed in collaboration with the stakeholders. It captures drug sales in veterinary pharmacies and disease incidence and treatments reported by farmers. The system was piloted from May 2023 to December 2023. Monthly follow-ups were conducted to monitor progress and address problems. Assessment was performed through focus group discussions with the users (two with farmers and two with veterinary pharmacy staff) and descriptive statistics of the data collected by the system. Results: A total of 15,725 records were obtained from veterinary pharmacies, including antibiotics (57%), dewormers (22%), and vitamins (11%). Requests for a specific product were recorded in 38% of the sales, while 63% were accompanied by some evidence (empty drug containers, old packages, old prescriptions, pictures of sick birds, and actual sick birds). A total of 91 records were obtained from the farmers. The health problems reported were mostly respiratory (40%) and digestive (30%) disorders. The percentage of customers who requested advice on animal health when visiting veterinary pharmacies ranged from 5 to 20%. Conclusions: AMU can be improved in the study area. The piloted system may help policymakers monitor the sales and usage of antibiotics, improve animal health management, and promote responsible AMU. Full article
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18 pages, 3781 KiB  
Article
The Prevalence and Risk Factors Associated with the Presence of Antibiotic Residues in Milk from Peri-Urban Dairy Cattle Farms in Kathmandu, Nepal
by Erda E. Rame Hau, Minu Sharma, Bal K. Sharma Khanal, Peter D. Sly, Deirdre Mikkelsen, Nicholas Clark and Ricardo J. Soares Magalhães
Antibiotics 2025, 14(1), 98; https://doi.org/10.3390/antibiotics14010098 - 16 Jan 2025
Cited by 1 | Viewed by 1473 | Correction
Abstract
Background/Objectives: The presence of antibiotic residues (ARs) in animal products such as milk can be an important driver of antimicrobial resistance in commensal and pathogenic bacteria. Previous studies on ARs in Nepal have demonstrated the presence of ARs in milk samples but without [...] Read more.
Background/Objectives: The presence of antibiotic residues (ARs) in animal products such as milk can be an important driver of antimicrobial resistance in commensal and pathogenic bacteria. Previous studies on ARs in Nepal have demonstrated the presence of ARs in milk samples but without further characterization of the samples for risk factor analysis. This study aimed to quantify the prevalence and risk factors for the presence of ARs in 140 peri-urban dairy farms in Kathmandu, Nepal, included in a cross-sectional survey in 2019 to estimate farm-level AR prevalence. Results: Our results reveal the presence of ARs of sulfamethazine (61%), sulfamethoxazole (53%), ciprofloxacin (46%), and enrofloxacin (42%). Furthermore, of those samples positive for sulfamethazine, sulfamethoxazole, and ciprofloxacin, 81%, 42%, and 42%, respectively, exceeded the maximum residue limit (MRL). While samples taken from farms where staff administered antibiotics were less likely to have single drug residues and multidrug residues (two, three, and four drugs), farms with more workers were more likely to have single residues. Moreover, samples from farms with a higher number of calves and milking cows were more likely to contain single and multiple residues exceeding the MRL, while milk from farms with higher numbers of dry cows and farmers reported by a visiting chemist were less likely to have multidrug residues exceeding the MRL. Methods: High-performance liquid chromatography was conducted on bulk milk samples from farms for an AR analysis, revealing positive results. Additionally, a structured questionnaire and direct farmer interviews were used to collect data on farm biosecurity and farming practices, animal health and hygiene, antibiotic usage (AMU), and attitudes and practices towards antibiotic stewardship. Conclusions: Ultimately, this study provides evidence on the role of modifiable ARs risk factors in the peri-urban milk industry of Kathmandu, which can serve as a foundation for developing improved antimicrobial stewardship guidelines and designing intervention measures to reduce the public health risk posed by ARs in milk sold in Kathmandu, Nepal. Full article
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