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Toghroli R, Hassani L, Aghamolaei T, Sharma M, Sharifi H, Jajarmi M. Explaining the barriers faced by veterinarians against preventing antimicrobial resistance: an innovative interdisciplinary qualitative study. BMC Infect Dis 2024; 24:455. [PMID: 38689250 PMCID: PMC11059684 DOI: 10.1186/s12879-024-09352-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 04/25/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Considering the significance of increased antimicrobial resistance (AMR) and its adverse effects on individual and social health and the important and effective role that veterinarians play in controlling this growing issue worldwide, it is essential to have effective preventive control programs. To this aim, the first step is to identify the factors behind the prevalence of AMR in Iran and the barriers veterinarians face to controlling this problem. Thus, the present study was conducted to explain the barriers veterinarians faced in the prevention of AMR from an Iranian veterinarian's perspective. METHODS The present research was done in three cities in Iran in 2021. The data were collected through in-depth interviews with 18 veterinarians selected through purposive and snowball sampling and analyzed using conventional qualitative content analysis. RESULTS The data analysis results were classified into 4 main categories and 44 subcategories. The former included: educational factors, administrative/legal factors, client-related factors, and veterinarian-related factors. CONCLUSIONS The increased AMR can be approached from multiple aspects. Considering the different factors that affect the increased AMR, it is necessary to consider them all through effective planning and policy-making at multi-level and multidisciplinary dimensions. There is special attention needed to scientific and practical interventions at the individual, interpersonal, social, and even political levels. At the same time, measures should be taken to rehabilitate and maintain the health of society to strengthen supervision and attract the full participation of interested organizations.
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Affiliation(s)
- Razie Toghroli
- Social Determinants in Health Promotion Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Laleh Hassani
- Social Determinants in Health Promotion Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
| | - Teamur Aghamolaei
- Social Determinants in Health Promotion Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Manoj Sharma
- Department of Social and Behavioral Health, School of Public Health, University of Nevada, Las Vegas (UNLV), Las Vegas, NV, 89119, USA
| | - Hamid Sharifi
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
- Institute for Global Health Sciences, University of California, San Francisco, CA, USA
| | - Maziar Jajarmi
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
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2
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Ritter C, Koralesky KE, Saraceni J, Roche S, Vaarst M, Kelton D. Invited review: Qualitative research in dairy science-A narrative review. J Dairy Sci 2023; 106:5880-5895. [PMID: 37474366 DOI: 10.3168/jds.2022-23125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/23/2023] [Indexed: 07/22/2023]
Abstract
The use of qualitative research in dairy science has increased considerably in recent years, providing the opportunity to inform research and practice. This review aims to enhance the accessibility of qualitative research among a range of audiences and specifically: (1) provide an overview of what qualitative research is and the value it can bring to scientific inquiries in the dairy context, (2) illustrate the emergence of qualitative dairy science research in the past 15 to 20 years, (3) outline the role of the researcher and key philosophical assumptions underlying qualitative research, (4) describe qualitative research approaches and methods used in dairy science research, and (5) highlight key aspects of qualitative inquiry used to ensure research trustworthiness. Qualitative approaches in dairy science enable researchers to understand myriad topics including stakeholder relationships, decision-making, and behaviors regarding dairy cattle management, animal welfare, and disease prevention and control measures. Approaches that were used often for qualitative data collection were individual interviews and focus groups, and variations of thematic analysis were common analytical frameworks. To assess public values, attitudes, and perceptions, mixed methods questionnaires that combined quantitative data with qualitative data from open-ended questions were used regularly. Although still used infrequently, action research and participatory approaches have the potential to bridge the research-implementation gap by facilitating group-based learning and on-farm changes. Some publications described the philosophical assumptions inherent to qualitative research, and many authors included reflexivity and positionality statements. Although a comprehensive description of strategies to meet trustworthiness criteria for qualitative research was uncommon, many publications mentioned certain aspects of trustworthiness, such as member checking, researcher triangulation, and the recording of reflexive notes. Qualitative research has been used to deepen our understanding of phenomena relevant to the dairy sector and has opened the door for a broad array of new opportunities. In addition to having merit on its own, qualitative research can guide, inform, and expand on quantitative research, and an understanding of the core pillars of qualitative research can foster interdisciplinary collaborations.
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Affiliation(s)
- C Ritter
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada, C1A 4P3.
| | - K E Koralesky
- Animal Welfare Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, Canada, V6T 1Z4
| | - J Saraceni
- ACER Consulting Ltd., Guelph, Ontario, Canada, N1G 5L3
| | - S Roche
- ACER Consulting Ltd., Guelph, Ontario, Canada, N1G 5L3; Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
| | - M Vaarst
- Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark, DK-8830
| | - D Kelton
- Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada, N1G 2W1
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3
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Toghroli R, Aghamolaei T, Hassani L, Sharifi H, Jajarmi M. Determinants of antimicrobial resistance occurrence in animal‐based food, perceived by livestock farmers: A qualitative phenomenological study. Health Sci Rep 2023; 6:e1160. [PMID: 36970640 PMCID: PMC10031206 DOI: 10.1002/hsr2.1160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/28/2023] [Accepted: 03/05/2023] [Indexed: 03/24/2023] Open
Abstract
Background and Purpose of the Study The determinants of antimicrobial resistance in human medicine have been copiously explored. On the other hand, the existing research in veterinary medicine and animal husbandry is in its infancy. The present qualitative study used the one‐health approach to explore farmers’ attitudes toward antimicrobial use and antimicrobial stewardship. Methodology The present qualitative study was phenomenological in type. It was conducted in 2022 in the two cities of Kerman and Bandar Abbas in Iran. The data were collected through in‐depth interviews by semistructured interviews with 17 livestock, poultry, and aquatic animal breeders selected through purposive sampling. The interviews lasted between 35 and 65 min in the Farsi language. The data were analyzed using conventional qualitative content analysis and Colaizzi's seven‐step analysis technique. Results The open coding was done in MAXQDA 10 and the results of data analysis were classified into five main themes and 17 subthemes subcategories. The main categories include personal determinants, contextual determinants, legal and regulatory determinants, social determinants, and economic determinants. Conclusion Considering the increasing use of antibiotics among livestock farmers and breeders of animals used as human food, different measures such as educational, regulatory, social, and even cultural interventions may be able to control and prevent antimicrobial resistance.
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Affiliation(s)
- Razie Toghroli
- Social Determinants in Health Promotion Research Center, Hormozgan Health instituteHormozgan University of Medical SciencesBandar AbbasIran
| | - Teamur Aghamolaei
- Social Determinants in Health Promotion Research Center, Hormozgan Health instituteHormozgan University of Medical SciencesBandar AbbasIran
| | - Laleh Hassani
- Social Determinants in Health Promotion Research Center, Hormozgan Health instituteHormozgan University of Medical SciencesBandar AbbasIran
| | - Hamid Sharifi
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in HealthKerman University of Medical SciencesKermanIran
| | - Maziar Jajarmi
- Department of Pathobiology, Faculty of Veterinary MedicineShahid Bahonar University of KermanKermanIran
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4
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“If you were a cow, what would you want?” Findings from participatory workshops with dairy farmers. Animal 2023; 17:100779. [PMID: 37031575 DOI: 10.1016/j.animal.2023.100779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/05/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
When looking to improve animal welfare, it is essential to understand the viewpoints of stakeholders in the industry. Previous research has engaged stakeholders such as farmers, veterinarians, and the public to better understand future dairy industry directions. However, the use of perspective-taking as a tool to overcome farmer's focus on current barriers to the industry has not been explored. Therefore, the aims of this study were to have farmers take the perspective of the cow, to elicit: (1) farm elements that are essential to create a cow-centric dairy system, and (2) how this system can be achieved in the next 50 years. To do this, we employed participatory methods (photo elicitation, timelining) to generate discussion with 12 New Zealand dairy farmers. Pasture access is frequently cited as an integral component for promoting good welfare in dairy cows, thus, this cohort of farmers was considered a good case study as they all had experience managing cows in grazing systems. Participants were asked to create a cow-centric farm design, and a pathway to implementation. Following thematic analysis of the multiple data sources, the results are presented under the following three themes: (1) cow-centric farm designs (environmental considerations, cow handling and care), (2) timeline to achieve and sequence of implementation ("low hanging fruit" and long-term investments), and (3) assumptions and resources needed (including financial considerations, technology, farmer buy-in, regulations and enforcement and other stakeholder involvement). By better understanding how current industry practice aligns, and also differs, from what the cow would want, we can work towards future management systems that incorporate the requirements of all stakeholders, including the cow.
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Gröndal H, Blanco-Penedo I, Fall N, Sternberg-Lewerin S. Trust, agreements, and occasional breakdowns: Veterinarians' perspectives on farmer-veterinarian relationships and use of antimicrobials for Swedish dairy cattle. J Dairy Sci 2023; 106:534-546. [PMID: 36460500 PMCID: PMC9793291 DOI: 10.3168/jds.2022-21834] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 07/29/2022] [Indexed: 11/30/2022]
Abstract
Studies have shown that farmer-veterinarian relationships influence antimicrobial use (AMU) in livestock, though how they do so is unclear. On the one hand, research shows that well-established veterinarian-farmer relationships are positive for implementation of antibiotic stewardship and restrictive AMU. On the other hand, studies also show that farmer demands can increase antimicrobial prescribing and that prescribing antimicrobials can strengthen the veterinarian's relationship with farmer clients. In the present study, we focus on veterinarians' perspectives on the relationships between dairy cattle farmers and veterinarians in Sweden and explore what characterizes these relationships when restrictive AMU is described as unproblematic and when AMU becomes a matter of tension or conflict. The study draws on semistructured interviews with 21 veterinarians working with livestock in Sweden. Interviews were analyzed thematically. The study shows that from the perspectives of veterinarians, well-established veterinarian-farmer relationships generally facilitate restrictive AMU in 3 slightly different but related ways: (1) they create trust in the veterinarian and their prescribing decisions; (2) they create shared understanding concerning when antimicrobials are needed and not needed; and (3) they facilitate constructive discussions between veterinarians and farmers on AMU. To make the farmer feel listened to and to come to an agreement on AMU was described as central for the veterinarians. However, the veterinarians described agreements on restrictive AMU as sometimes requiring strategic work, such as discussions to motivate the farmer and leave the door open for antimicrobials later if needed. Such work takes time and energy and is easier within well-established relationships according to the veterinarians. We also identified examples where veterinarians explained that they occasionally make compromises with farmers concerning antimicrobials-compromises that, according to the veterinarians, facilitate the relationship with the farmer, which in turn facilities restrictive AMU in the longer term. The examples in our interviews where antimicrobials became a matter of tension and even conflict between veterinarians and farmers could, with a few exceptions, be traced to absence of well-established relationships. However, some veterinarians also described AMU as a matter of tension within well-established relationships, especially with older farmers who do not trust new treatment strategies. We also found a small number of examples where disagreements on antimicrobials made a relationship with specific farmers impossible. Thus, even though the interviewed veterinarians generally meant that their restrictive antimicrobial prescribing did not threaten the relationship with the farmer, our study also, to some extent, confirms research showing that restrictive AMU can harm the relationship with some clients who simply choose another, less restrictive, veterinarian. In summary, our study supports that decisions on AMU cannot be reduced to the individual prescriber's behavior, nor to a strict medical judgment. Antimicrobial use for dairy cattle needs to be understood as taking form in relationships in which both veterinarians and farmers are active parts.
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Affiliation(s)
- Hedvig Gröndal
- Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences, Ulls väg 26, 75007 Uppsala, Sweden,Corresponding author
| | - Isabel Blanco-Penedo
- Department of Clinical Sciences, Unit of Veterinary Epidemiology, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden,Department of Animal Science, University of Lleida, 191 E-25198 Lleida, Spain
| | - Nils Fall
- Department of Clinical Sciences, Unit of Veterinary Epidemiology, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden
| | - Susanna Sternberg-Lewerin
- Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences, Ulls väg 26, 75007 Uppsala, Sweden
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6
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McCubbin KD, de Jong E, Lam TJGM, Kelton DF, Middleton JR, McDougall S, De Vliegher S, Godden S, Rajala-Schultz PJ, Rowe S, Speksnijder DC, Kastelic JP, Barkema HW. Invited review: Selective use of antimicrobials in dairy cattle at drying-off. J Dairy Sci 2022; 105:7161-7189. [PMID: 35931474 DOI: 10.3168/jds.2021-21455] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 04/27/2022] [Indexed: 11/19/2022]
Abstract
Administering intramammary antimicrobials to all mammary quarters of dairy cows at drying-off [i.e., blanket dry cow therapy (BDCT)] has been a mainstay of mastitis prevention and control. However, as udder health has considerably improved over recent decades with reductions in intramammary infection prevalence at drying-off and the introduction of teat sealants, BDCT may no longer be necessary on all dairy farms, thereby supporting antimicrobial stewardship efforts. This narrative review summarizes available literature regarding current dry cow therapy practices and associated impacts of selective dry cow therapy (SDCT) on udder health, milk production, economics, antimicrobial use, and antimicrobial resistance. Various methods to identify infections at drying-off that could benefit from antimicrobial treatment are described for selecting cows or mammary quarters for treatment, including utilizing somatic cell count thresholds, pathogen identification, previous clinical mastitis history, or a combination of criteria. Selection methods may be enacted at the herd, cow, or quarter levels. Producers' and veterinarians' motivations for antimicrobial use are discussed. Based on review findings, SDCT can be adopted without negative consequences for udder health and milk production, and concurrent teat sealant use is recommended, especially in udder quarters receiving no intramammary antimicrobials. Furthermore, herd selection should be considered for SDCT implementation in addition to cow or quarter selection, as BDCT may still be temporarily necessary in some herds for optimal mastitis control. Costs and benefits of SDCT vary among herds, whereas impacts on antimicrobial resistance remain unclear. In summary, SDCT is a viable management option for maintaining udder health and milk production while improving antimicrobial stewardship in the dairy industry.
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Affiliation(s)
- Kayley D McCubbin
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada T2N 4N1; One Health at UCalgary, University of Calgary, AB, Canada T2N 4N1
| | - Ellen de Jong
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada T2N 4N1; One Health at UCalgary, University of Calgary, AB, Canada T2N 4N1
| | - Theo J G M Lam
- Department Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584CS Utrecht, the Netherlands
| | - David F Kelton
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada N1G 2W1
| | - John R Middleton
- Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia 65211
| | - Scott McDougall
- Cognosco, Anexa FVC Morrinsville, PO Box 21, Morrinsville 3340, New Zealand; School of Veterinary Science, Massey University, Palmerston North 4474, New Zealand
| | - Sarne De Vliegher
- M-team and Mastitis and Milk Quality Research Unit, Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium
| | - Sandra Godden
- College of Veterinary Medicine, University of Minnesota, St. Paul 55108
| | - Päivi J Rajala-Schultz
- Department of Production Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, 04920 Saarentaus, Finland
| | - Sam Rowe
- Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Camden, New South Wales 2570, Australia
| | - David C Speksnijder
- Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584CS Utrecht, the Netherlands; University Farm Animal Clinic ULP, 3481LZ Harmelen, the Netherlands
| | - John P Kastelic
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada T2N 4N1
| | - Herman W Barkema
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada T2N 4N1; One Health at UCalgary, University of Calgary, AB, Canada T2N 4N1.
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7
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Nikky M, Cécile A, Hélène L, Jean-Philippe R, Christine F, David F, Marie-Ève P, Simon D. Evidence of a decrease in sales of antimicrobials of very high importance for humans in dairy herds after a new regulation restricting their use in Quebec, Canada. Zoonoses Public Health 2022; 69:370-381. [PMID: 35199952 DOI: 10.1111/zph.12929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 01/20/2022] [Accepted: 02/06/2022] [Indexed: 11/26/2022]
Abstract
In the province of Quebec, Canada, a new regulation restricting usage of antimicrobials of very high importance for human health (Health Canada: category 1 antimicrobials) in production animals is effective since February 2019. The objective of this study was to estimate changes in AM sales in dairy herds after the implementation of the regulation. Therefore, invoice data were extracted from veterinary software, Vet-Expert, used by most dairy veterinarians in the province of Quebec, and antimicrobial quantities were transformed in Canadian defined course doses for cattle (DCDbovCA). The sum of antimicrobials sales monthly in each herd was estimated in DCDbovCA from June 2016 to May 2020. To evaluate the herd-level change in AM sales and the impact of different factors, the number of DCDbovCA by herd from June 2017 to May 2018 (pre-regulation period) were compared with those of June 2019 to May 2020 (post-regulation period). Total category 1 AM sales of 3,569 Quebec's herds went from a range of 14,258 to 21,528 DCDbovCA/month to a range of 1,494 to 4,707 DCDbovCA/month after the implementation of the new regulation. Moreover, using data from 3,337 herds, we estimated a mean (95% confidence interval) reduction in 19 DCDbovCA/herd-year (14.8, 24.2), while the pre-regulation herd-level category 1 AM sales was 26 DCDbovCA/herd-year. This reduction was achieved without evidence of an increase in other antimicrobials. Finally, the veterinary facility associated with the herd was an important determinant of the herd-level reduction in category 1 antimicrobials. This study was the first to quantify a significant reduction in category 1 AM sales following the implementation of a restrictive regulation in dairy production in Canada. These results demonstrate that such an approach is effective to reduce the sales of a specific category of antimicrobial in animal production.
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Affiliation(s)
- Millar Nikky
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Centre de Recherche en Santé Publique, Université de Montréal et Centre Intégré de Santé et de Services Sociaux du Québec du Centre-Sud-de-l'Île-de-Montréal, Montréal, Quebec, Canada.,Fond de Recherche Nature et Technologies du Québec (FRQNT) - Regroupement FRQNT Op+lait, Saint-Hyacinthe, Quebec, Canada
| | - Aenishaenslin Cécile
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Centre de Recherche en Santé Publique, Université de Montréal et Centre Intégré de Santé et de Services Sociaux du Québec du Centre-Sud-de-l'Île-de-Montréal, Montréal, Quebec, Canada
| | - Lardé Hélène
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Fond de Recherche Nature et Technologies du Québec (FRQNT) - Regroupement FRQNT Op+lait, Saint-Hyacinthe, Quebec, Canada.,Ross University School of Veterinary Medicine, Basseterre, Federation of Saint Christopher and Nevis
| | - Roy Jean-Philippe
- Fond de Recherche Nature et Technologies du Québec (FRQNT) - Regroupement FRQNT Op+lait, Saint-Hyacinthe, Quebec, Canada.,Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Fourichon Christine
- Biologie, Épidémiologie et Analyses de Risque en Santé Animale (BIOEPAR), ONIRIS-INRAE, Nantes, France
| | - Francoz David
- Fond de Recherche Nature et Technologies du Québec (FRQNT) - Regroupement FRQNT Op+lait, Saint-Hyacinthe, Quebec, Canada.,Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Paradis Marie-Ève
- Association des Médecins Vétérinaires Praticiens du Québec, Saint-Hyacinthe, Quebec, Canada
| | - Dufour Simon
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Fond de Recherche Nature et Technologies du Québec (FRQNT) - Regroupement FRQNT Op+lait, Saint-Hyacinthe, Quebec, Canada
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8
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Sirovica LV, Ritter C, Hendricks J, Weary DM, Gulati S, von Keyserlingk MAG. Public attitude toward and perceptions of dairy cattle welfare in cow-calf management systems differing in type of social and maternal contact. J Dairy Sci 2022; 105:3248-3268. [PMID: 35094864 DOI: 10.3168/jds.2021-21344] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 11/29/2021] [Indexed: 11/19/2022]
Abstract
Early cow-calf separation followed by individual housing of calves is standard practice on dairy farms. However, a growing body of evidence suggests that as awareness grows the public will oppose these practices, which could compromise the dairy industry's social license. Despite disagreement among different stakeholders over weighting and evaluations of effects of early separation (e.g., distress response, disease risk), recent systematic reviews indicate that there is little scientific evidence supporting this practice. The acceptability of alternative cow-calf management systems is unknown. We used a mixed methods survey with a convenience sample of 307 Canadians plus a representative sample of 1,487 Americans to investigate perceptions of these systems, examining the effects of providing social or foster cow contact following early separation or not separating cow-calf pairs. Attitudes and perceptions of animal welfare were more positive (on a 7-point scale where 1 is most negative, 7 is most positive, and 4 is a neutral midpoint) toward the system where calves were not separated from the cow (mean ± SE; 5.8 ± 0.07; 5.7 ± 0.07), compared with systems in which the calf was separated and individually housed (3.6 ± 0.07; 3.4 ± 0.07), separated and group housed (3.7 ± 0.07; 3.4 ± 0.07), or separated and kept with a foster cow (3.8 ± 0.07; 3.6 ± 0.07). Participants were consistent in their attitudes toward and perceptions of animal welfare within the system, suggesting that participants took a holistic and value-oriented approach to cow-calf management regarding separation. These results, in combination with many participants' concern for the importance of the mother cow-calf relationship and perceptions that severing of this bond was a breach of standard of care, suggest that there may be low acceptance of any cow-calf management system involving early separation as such systems are unlikely to resonate with underlying values.
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Affiliation(s)
- L V Sirovica
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada
| | - C Ritter
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada; Atlantic Veterinary College, University of Prince Edward Island, 5550 University Ave., Charlottetown, PE, C1A43, Canada
| | - J Hendricks
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada
| | - D M Weary
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada
| | - S Gulati
- Wildlife and Conservation Economics Laboratory, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada
| | - M A G von Keyserlingk
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6, Canada.
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9
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Golding SE, Ogden J, Higgins HM. Examining the Effect of Context, Beliefs, and Values on UK Farm Veterinarians' Antimicrobial Prescribing: A Randomized Experimental Vignette and Cross-Sectional Survey. Antibiotics (Basel) 2021; 10:445. [PMID: 33921073 PMCID: PMC8071438 DOI: 10.3390/antibiotics10040445] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/07/2021] [Accepted: 04/09/2021] [Indexed: 12/28/2022] Open
Abstract
Antimicrobial resistance (AMR) is a pressing threat to public and animal health. There is evidence that antimicrobial prescribing and stewardship behaviors by veterinarians (vets) are influenced by non-clinical factors, such as psychological, social, and environmental factors. This study explored the role of context, beliefs, and values on vets' antimicrobial prescribing decisions. UK-based practicing farm vets (n = 97) were recruited to an online study. Using an experimental vignette methodology, vets were randomly assigned across four conditions, to examine the effects of different contexts (pressure on farm economics, the farmer, or the vet-farmer relationship, compared to a control condition) on vets' likelihood of prescribing antibiotics. Vets' beliefs about different groups' responsibility for causing and preventing AMR and vets' values were also measured. Key findings were that context alone, values, and beliefs about groups' responsibilities for causing AMR were not predictive of vets' likelihood of prescribing antibiotics. However, vets' beliefs about groups' responsibilities for preventing AMR were predictive of an increased likelihood of prescribing antibiotics, when vets were exposed to the experimental condition of the vignette in which the vet-farmer relationship was under pressure. Farm vets also believed that different groups have different levels of responsibility for causing and preventing AMR. Results should be interpreted cautiously, given the smaller than planned for sample size, and the possibility for both false negatives and false positives. Further research is needed to explore how these findings could inform antimicrobial stewardship interventions in veterinary medicine.
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Affiliation(s)
- Sarah E. Golding
- School of Psychology, Faculty of Health and Medical Sciences, Stag Hill Campus, University of Surrey, Guildford GU2 7XH, UK;
| | - Jane Ogden
- School of Psychology, Faculty of Health and Medical Sciences, Stag Hill Campus, University of Surrey, Guildford GU2 7XH, UK;
| | - Helen M. Higgins
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Neston, Cheshire CH64 7TE, UK;
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10
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Bolton SE, von Keyserlingk MAG. The Dispensable Surplus Dairy Calf: Is This Issue a "Wicked Problem" and Where Do We Go From Here? Front Vet Sci 2021; 8:660934. [PMID: 33937380 PMCID: PMC8079806 DOI: 10.3389/fvets.2021.660934] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/18/2021] [Indexed: 12/22/2022] Open
Abstract
Surplus dairy calves consist of all dairy bull calves and any heifer calves not needed as replacements for the milking herd. The fate of these surplus calves varies by region; for example, in Australia and New Zealand they are often sold as "bobby" calves and slaughtered within the first weeks of life; whereas, in North America they are normally sold within the first weeks of life but reared for 16-18 weeks as veal or longer as dairy beef. Regardless of region, demand for these calves is often very low, driving down prices and in some cases leaving farmers with no alternative options other than on-farm euthanasia. The notion that dairy cows must give birth to produce milk and that the calves are immediately separated from the dam, many of which will end up immediately being sold as surplus calves, has become a topic of public concern. These concerns have increased given the growing number of pictures and stories in the media of on-farm euthanasia, dairy calves being transported at very young ages and frequently receiving sub-standard levels of care. In this paper we describe the status quo of this complex, value-laden issue that without transformative change is at great risk for continued criticism from the public. Moreover, despite many attempts at refinement of the existing approach (i.e., the pursuit of technical improvements), little has changed in terms of how these surplus dairy calves are managed and so we predict that on its own, this approach will likely fail in the long run. We then set out how the current surplus calf management practices could be viewed to fit the definition of a "wicked problem." We conclude by calling for new research using participatory methodologies that include the voice of all stakeholders including the public, as a first step in identifying sustainable solutions that resonate with both society and the livestock industry. We briefly discuss three participatory methodologies that have successfully been used to develop sustainable solutions for other complex problems. Adoption of these types of methodologies has the potential to help position the dairy industry as a leader in sustainable food production.
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Affiliation(s)
- Sarah E Bolton
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada.,Dairy Australia, Southbank, VIC, Australia.,Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Melbourne, VIC, Australia
| | - Marina A G von Keyserlingk
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada
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11
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Farrell S, McKernan C, Benson T, Elliott C, Dean M. Understanding farmers' and veterinarians' behavior in relation to antimicrobial use and resistance in dairy cattle: A systematic review. J Dairy Sci 2021; 104:4584-4603. [PMID: 33612225 DOI: 10.3168/jds.2020-19614] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/11/2020] [Indexed: 11/19/2022]
Abstract
To tackle antimicrobial resistance, it is vital that farmers' and veterinarians' antimicrobial use behaviors and attitudes toward resistance are understood so that we can identify how beliefs and motives influence practices. Current literature details qualitative and quantitative research that explores the knowledge, attitudes and perceptions of dairy farmers and veterinarians with respect to antimicrobial resistance and antimicrobial practices, and the reported findings are varied and conflicting. Our objective was to conduct a systematic review to assess the evidence and knowledge gaps in the published literature. We identified articles via database searches of Embase, Medline, PubMed, Scopus, and Web of Science; we limited findings to published articles available in English with no publication year restrictions. Article screening was conducted at 3 levels: title, abstract, and full text. Of the 349 articles identified, 35 were retained for systematic review. Transparency of reporting was assessed for each study using the Consolidated Criteria for Reporting Qualitative Research (COREQ) framework. Quality was assessed using the Critical Appraisal Skills Programme qualitative checklist. Findings relating to dairy farmers' and veterinarians' knowledge, attitudes, and perceptions on antimicrobial resistance and practices were thematically analyzed. The comprehensiveness of reporting was variable: studies reported 5 to 26 of the 32 COREQ checklist items. Five key themes emerged from the data: knowledge and awareness of antimicrobial resistance; factors influencing farmer and veterinarian decision-making; perceived barriers and facilitators to reduced antimicrobial use; perceived responsibility for antimicrobial resistance; and the role of the farmer and veterinarian relationship in reducing antimicrobial use. Awareness of prudent antimicrobial use was not uniform between studies. Many factors influence farmers' and veterinarians' decisions to use antimicrobials, including animal welfare and available resources. The farmer-veterinarian relationship is a potential barrier or facilitator of reduced antimicrobial use, depending on the perceived relationship dynamic. Encouraging collaboration between farmers and veterinarians could lead to shared responsibility for reducing antimicrobial use. This review provided a coherent picture of what is currently known and identified gaps in the current knowledge to inform future behavioral intervention research. Increased knowledge, skill development, resources, engagement, and further research to address the gaps we identified are the main recommendations to effectively overcome barriers, elicit appropriate behavior change, and achieve reduced antimicrobial use in dairy cattle.
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Affiliation(s)
- S Farrell
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - C McKernan
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - T Benson
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - C Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - M Dean
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom.
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12
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Skjølstrup NK, Nielsen LR, Jensen CS, Lastein DB. Veterinary Herd Health Consultancy and Antimicrobial Use in Dairy Herds. Front Vet Sci 2021; 7:547975. [PMID: 33604361 PMCID: PMC7884328 DOI: 10.3389/fvets.2020.547975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 12/14/2020] [Indexed: 01/21/2023] Open
Abstract
The globally increasing level of antimicrobial resistance affects both human and animal health, why it is necessary to identify ways to change our current use of antimicrobials. The veterinary herd health collaboration between veterinarians and dairy farmers provides a useful setting for changing antimicrobial use in livestock. However, farmers and veterinarians work in a complex agricultural setting influenced by socio-economic factors, which complicates their choices regarding antimicrobial usage. It is therefore necessary to be aware of the range of potential influencing factors and to integrate this knowledge in the relevant local settings. This manuscript presents a literature review of relevant factors relating to antimicrobial use within the veterinary herd health consultancy setting, including knowledge gaps of relevance for changing the use of antimicrobials. An enriched version of the framework of the Theory of Planned Behaviour was used to organise the literature review. We identified diverging attitudes on correct treatment practices and perceptions of antimicrobial resistance among veterinarians and farmers, influenced by individual risk perception as well as social norms. Furthermore, disagreements in terms of goal setting and in the frequency of herd visits in relation to herd health consultancy can negatively influence the collaboration and the intention to change antimicrobial use. Farmers and veterinarians emphasise the importance of legislation and the role of the dairy industry in changing antimicrobial use, but the relevance of specific factors depends on the country-specific context. Overall, farmers and veterinarians must communicate better to understand each other's perspectives and establish common goals within the collaboration if they are to work efficiently to reduce antimicrobial use. Farmers and veterinarians both requested changes in individual behaviour; however, they also called for national and structural solutions in terms of balanced legislation and the availability of better diagnostics to facilitate a change in antimicrobial use practices. These various paths to achieving the desired changes in antimicrobial use illustrate the need to bridge methodological research approaches of veterinary science and social sciences for a better understanding of our potential to change antimicrobial use within the dairy farm animal sector.
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Affiliation(s)
- Nanna K. Skjølstrup
- Section for Production, Nutrition and Health, Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Liza R. Nielsen
- Section for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Carsten S. Jensen
- Department of Sociology, Faculty of Social Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Dorte B. Lastein
- Section for Production, Nutrition and Health, Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
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13
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Mills KE, Weary DM, von Keyserlingk MA. Graduate Student Literature Review: Challenges and opportunities for human resource management on dairy farms. J Dairy Sci 2021; 104:1192-1202. [DOI: 10.3168/jds.2020-18455] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 08/27/2020] [Indexed: 11/19/2022]
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14
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Morgans L. Developing targeted antimicrobial treatment protocols for mastitis. Vet Rec 2020; 187:398-400. [PMID: 33188116 DOI: 10.1136/vr.m4309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Lisa Morgans
- Precision Livestock, Innovation for Agriculture, Stoneleigh, UK
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15
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Morgans LC, Bolt S, Bruno-McClung E, van Dijk L, Escobar MP, Buller HJ, Main DCJ, Reyher KK. A participatory, farmer-led approach to changing practices around antimicrobial use on UK farms. J Dairy Sci 2020; 104:2212-2230. [PMID: 33246617 DOI: 10.3168/jds.2020-18874] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 09/04/2020] [Indexed: 12/19/2022]
Abstract
Farmer-led, participatory approaches are being increasingly employed in agricultural research, with promising results. This study aimed to understand how a participatory approach based on the Danish stable schools could help to achieve practical, farmer-led changes that reduced reliance on antimicrobials in the UK. Five facilitated farmer action groups comprising 30 dairy farms across South West England met on farm at regular intervals between 2016 and 2018, and worked collaboratively within their groups to discuss how to reduce antimicrobial use. Qualitative data from group discussions and individual semi-structured interviews were collected and analyzed using thematic analysis to explore how the approach helped farmers address and deal with changes to their on-farm practices. Facilitator-guided reviews of antimicrobial use and benchmarking were carried out on each farm to assess any change in usage and help farmers review their practices. The pattern of antimicrobial use changed over the 2 yr of the study, with 21 participating farms reducing their use of highest-priority critically important antibiotics (6 farms were not using any of these critical medicines from the outset). Thirty practical action plans were co-developed by the groups with an average implementation rate of 54.3% within a year. All assessed farms implemented 1 recommendation, and many were still ongoing at the end of the study. Farmers particularly valued the peer-to-peer learning during farm walks. Farmers reported how facilitated discussions and action planning as a peer group had empowered them to change practices. Participants identified knowledge gaps during the project, particularly on highest-priority critically important antibiotics, where they were not getting information from their veterinarians. The study demonstrated that facilitation has a valuable role to play in participatory approaches beyond moderating discussion; facilitators encouraged knowledge mobilization within the groups and were participants in the research as well. Facilitated, farmer-led, participatory approaches that mobilize different forms of knowledge and encourage peer learning are a promising way of helping farmers to adapt and develop responsible practices.
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Affiliation(s)
- Lisa C Morgans
- Innovation for Agriculture, Arthur Rank Centre, Stoneleigh Park, Stoneleigh, Warwickshire, CV8 2LZ, United Kingdom.
| | - Sarah Bolt
- Kingshay (part of the VetPartners Group), Bridge Farm, West Bradley, Glastonbury, Somerset, BA6 8LU, United Kingdom
| | - Elizabeth Bruno-McClung
- Department of Public Health (Distance Learning), London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom
| | - Lisa van Dijk
- Royal Agricultural University, Cirencester, Gloucestershire, GL7 6JS, United Kingdom
| | - Maria P Escobar
- Bristol Veterinary School, University of Bristol, Langford House, Stock Lane, Langford, North Somerset, BS40 5DU, United Kingdom
| | - Henry J Buller
- School of Geography, University of Exeter, Amory Building, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
| | - David C J Main
- Royal Agricultural University, Cirencester, Gloucestershire, GL7 6JS, United Kingdom
| | - Kristen K Reyher
- Bristol Veterinary School, University of Bristol, Langford House, Stock Lane, Langford, North Somerset, BS40 5DU, United Kingdom
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16
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Buller H, Adam K, Bard A, Bruce A, (Ray) Chan KW, Hinchliffe S, Morgans L, Rees G, Reyher KK. Veterinary Diagnostic Practice and the Use of Rapid Tests in Antimicrobial Stewardship on UK Livestock Farms. Front Vet Sci 2020; 7:569545. [PMID: 33195550 PMCID: PMC7593326 DOI: 10.3389/fvets.2020.569545] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/08/2020] [Indexed: 11/13/2022] Open
Abstract
In this paper we consider the shifting role, practice and context of veterinary diagnosis in addressing concerns over what is, in the context of the growing threat of antimicrobial resistance, considered unnecessary or excessive antimicrobial medicine use in UK livestock farms. With increasing policy and regulatory interest in diagnostic practices and technologies, coupled with an expanding focus on the development and deployment of new rapid and point-of-care on-farm diagnostic testing, this paper investigates current diagnostic practices amongst veterinarians working on dairy, pig and poultry farms in Great Britain (England, Wales, and Scotland) and, more specifically, veterinarians' use and perceptions of new and emerging rapid and point-of-care diagnostic tests. Drawing on a series of 30 semi-structured interviews with farm animal veterinary professionals across the three sectors, this paper examines the manner in which such tests are both used and anticipated in clinical farm animal veterinary practice and the possible impact rapid test technologies might have on broader farm animal health management and disease control. Analysis of the transcribed interviews reveals a number of complexities around the use of rapid and point-of-care diagnostic tests. The relative rapidity and simplification of such tests, facilitating immediate treatment responses, is held in balance against both the accuracy and the more detailed and documented procedures of established laboratory testing routes. In situations of multifaceted on-farm etiologies, respondents maintained that rapid tests may offer restricted diagnostic capabilities, though in other situations they were found to offer ready confirmation of disease presence. A third complexity arising from the growth of rapid and point-of-care testing and revealed in this study relates to the shifting distribution of responsibilities in animal health care within contemporary food chains. The growing availability of rapid and point-of-care tests effectively diversifies the range of diagnostic actors with consequences for the flow of diagnostic and disease information. The veterinarians in this study identified areas where new rapid and point-of-care tests would be of particular value to them in their clinical practice particularly in addressing concerns over inappropriate antimicrobial use in animal treatment. However, despite the considerable policy advocacy on rapid and point-of-care tests as key tools in shifting diagnostic practice and reducing unnecessary antimicrobial use, veterinarians in this study, while recognizing the potential future role of such tools and technologies, nonetheless viewed diagnostic practice as a far more complex process for which rapid tests might constitute only a part.
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Affiliation(s)
- Henry Buller
- Geography Department, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Katie Adam
- INNOGEN Institute, Science, Technology and Innovation Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Alison Bard
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Ann Bruce
- INNOGEN Institute, Science, Technology and Innovation Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Kin Wing (Ray) Chan
- Geography Department, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Stephen Hinchliffe
- Geography Department, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Lisa Morgans
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Gwen Rees
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Kristen K. Reyher
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
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17
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Schmenger A, Leimbach S, Wente N, Zhang Y, Biggs AM, Kroemker V. Implementation of a targeted mastitis therapy concept using an on-farm rapid test: antimicrobial consumption, cure rates and compliance. Vet Rec 2020; 187:401. [PMID: 33024009 DOI: 10.1136/vr.105674] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 05/12/2020] [Accepted: 06/11/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND Aim of the present study was to investigate the implementation of a targeted therapy (tLCT) concept under real-life circumstances, taking both pathogen-related and animal-related factors into account. The reduction of antibiotics without negative effects on cure rates was evaluated as well as the compliance by the farmers. METHODS After analysing the existing conventional therapy (CT) concepts of five farms, the tLCT concept and a novel on-farm test were introduced. Three treatment groups were compared with respect to bacteriological cure (BC), cytological cure (CYC), full cure (FC), new infection rate (NIR), relapse rate and the treatment approach per mastitis case: the CT group, the tLCT group including all clinical mastitis (CM) cases treated according to the concept, and the modified tLCT group (tLCTmod), including the CM cases in which farmers deviated from the concept. RESULTS Even so farmers deviated from the treatment concept in 506 out of 909 cases; belonging to one of the three treatment groups had no significant impact on BC, CYC, FC, NIR or relapse rate. The antibiotic usage in the tLCT as well as in the tLCTmod group was significantly lower in comparison to the CT group. CONCLUSION From this, it can be deduced that farmers will reduce antibiotic doses by implementing a tLCT concept.
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Affiliation(s)
- Anne Schmenger
- Faculty II, Microbiology, Hannover University of Applied Sciences and Arts, Hannover, Germany
| | - Stefanie Leimbach
- Faculty II, Microbiology, Hannover University of Applied Sciences and Arts, Hannover, Germany
| | - Nicole Wente
- Faculty II, Microbiology, Hannover University of Applied Sciences and Arts, Hannover, Germany
| | - Yanchao Zhang
- Faculty II, Microbiology, Hannover University of Applied Sciences and Arts, Hannover, Germany
| | | | - Volker Kroemker
- Faculty of Health and Medical Sciences, Department of Veterinary and Animal Sciences, Section for Production, Nutrition and Health, University of Copenhagen, Copenhagen, Denmark
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18
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Ritter C, Mills KE, Weary DM, von Keyserlingk MAG. Perspectives of western Canadian dairy farmers on the future of farming. J Dairy Sci 2020; 103:10273-10282. [PMID: 32952024 DOI: 10.3168/jds.2020-18430] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 07/11/2020] [Indexed: 11/19/2022]
Abstract
Similar to the situation in many countries, the dairy industry in Canada is challenged by the need to adapt to changing societal demands. An industry-led initiative (Dairy Farmers of Canada's proAction Initative, known as proAction) was developed to respond to this challenge, providing mandatory national standards for on-farm practices. Farmers are more likely to follow such standards if they are aligned with their values and beliefs. The aim of this study was to better understand farmers' perspectives on the future of the Canadian dairy industry, with a focus on the role of mandatory policies such as those related to proAction. Seven focus groups were conducted, with discussions based on the principles of appreciative inquiry. Participants were each asked to write down key words that represent the "must-haves" on dairy farms in 20 yr from now. Although participants were encouraged to focus on aspects directly related to animal care, all answers were accepted. Key words were then used to facilitate a discussion and elicit ideas on how to achieve these must-haves. Particular focus was on the direction that participants believed policy should take to meet these goals. Explorative qualitative analysis was used for the written key words, and transcripts of the audio-recorded focus group discussions were analyzed using thematic analysis. Examples of farm-specific considerations that were raised as future must-haves of animal care on dairy farms included cow comfort, employee management, responsible health management, and use of advanced thechnologies. Participants agreed that objectives can only be achieved through collaboration among farmers and between farmers and researchers, and they regarded citizen education as a promising approach to align differing expectations of the public and farmers. Citizen trust in the dairy industry was considered a must-have, and participants believed that one of the benefits of mandatory policies for animal care is their potential to increase trust. These results may help guide the development of new animal care policies and increase understanding of the perceived legitimacy of new policies by dairy farmers.
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Affiliation(s)
- Caroline Ritter
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6 Canada
| | - Katelyn E Mills
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6 Canada
| | - Daniel M Weary
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6 Canada
| | - Marina A G von Keyserlingk
- Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z6 Canada.
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19
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Mills KE, Weary DM, von Keyserlingk MA. Identifying barriers to successful dairy cow transition management. J Dairy Sci 2020; 103:1749-1758. [DOI: 10.3168/jds.2018-16231] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 09/28/2019] [Indexed: 12/21/2022]
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20
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Hyde R, Tisdall D, Gordon P, Remnant J. Reducing antimicrobial use on dairy farms using a herd health approach. IN PRACTICE 2019. [DOI: 10.1136/inp.l5518] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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21
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Rayner AC, Higham LE, Gill R, Michalski JP, Deakin A. A survey of free-range egg farmers in the United Kingdom: Knowledge, attitudes and practices surrounding antimicrobial use and resistance. Vet Anim Sci 2019; 8:100072. [PMID: 32734089 PMCID: PMC7386762 DOI: 10.1016/j.vas.2019.100072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/21/2019] [Accepted: 09/25/2019] [Indexed: 12/30/2022] Open
Abstract
Antimicrobial resistance (AMR) is a significant global challenge affecting human health and attention has been drawn to practices of all stakeholders involved in antimicrobial prescription and administration, including in the livestock sector. This survey of free-range egg farmers (n = 117) was conducted to investigate knowledge, attitudes and practices surrounding antimicrobial use, and identify farmer-led solutions towards responsible antimicrobial use. Most participants proved knowledgeable of AMR and selected treatments based on principles of responsible medicine use. 'Worms' and 'infectious diseases' were the most common reasons for medicine use. Farms with a higher number of poultry houses, younger flock ages at depopulation and farms visited by a vet less than once a year or 3-4 times a year (compared to annually or twice a year) were more likely to select 'ANTIBIOTICS ONLY', as opposed to 'BOTH ANTIBIOTICS AND ANTIPARASITICS' or 'ANTIPARASITICS ONLY' as their most frequently used medicines. Participants from farms with a younger flock age at depopulation, from company-owned farms, and participants purchasing medicines from agricultural merchants instead of veterinary practices were less likely to be taking measures to reduce or replace antimicrobial use. Participants from larger farms and those that had less contact with their vet were less likely to think that they could reduce or replace the amount of antibiotics used. Survey results provided evidence for the important role of veterinarians in guiding antimicrobial stewardship through engagement, collaboration and education. Discussion groups in which farmers share best practices could assist the free-range egg industry in further promoting responsible antimicrobial use.
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Affiliation(s)
- Ann Catherine Rayner
- FAI Farms Ltd., Northfield Farm, Wytham, Oxford OX2 8QJ, UK
- Corresponding author.
| | | | - Roger Gill
- The Lakes Free Range Company Ltd, Meg Bank, Stainton, Penrith, UK
| | | | - Amanda Deakin
- FAI Farms Ltd., Northfield Farm, Wytham, Oxford OX2 8QJ, UK
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22
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Coyne LA, Latham SM, Dawson S, Donald IJ, Pearson RB, Smith RF, Williams NJ, Pinchbeck GL. Exploring Perspectives on Antimicrobial Use in Livestock: A Mixed-Methods Study of UK Pig Farmers. Front Vet Sci 2019; 6:257. [PMID: 31428622 PMCID: PMC6688534 DOI: 10.3389/fvets.2019.00257] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/19/2019] [Indexed: 12/02/2022] Open
Abstract
Increasing levels of antimicrobial resistance in human and veterinary medicine have raised concerns over the irresponsible use of antimicrobials. The role of administering antimicrobials in food producing animals most frequently falls to the farmer, therefore it is essential that their use of antimicrobials is both optimal and responsible. This study sought in-depth information on the drivers behind antimicrobial use behaviors and farmer attitudes to responsible use using a mixed-methodological approach. Initially, in-depth semi-structured interviews were conducted with a purposively selected sample of farmers (n = 22). A thematic analysis approach was taken to identify key themes from these qualitative data. The generalizability and variation of these themes was then tested on a larger randomly selected sample of pig farmers through a questionnaire study (n = 261). The influences behind antimicrobial use were complex with multiple drivers motivating decisions. There was no consensual opinion on what farming systems resulted in either a low or high antimicrobial requirement however, farmers reported that good management practices, low stocking densities, and a high health status were associated with low antimicrobial use. Farmers expressed desire to avoid the long-term use of in-feed antimicrobials, but identified barriers to discontinuing such behaviors, such as pig morbidity, mortality, and economic losses. The high cost of antimicrobials was described as a motivation toward seeking alternative methods of controlling disease to prophylactic use; however, this expense was balanced against the losses from an increased burden of disease. The high financial costs involved in pig production alongside the economic uncertainty of production and pressure from retailers, were identified as limiting the scope for improvements in pig accommodation and facilities which could reduce the antimicrobial requirements on farm. Long-term, sustainable and economically stable relationships between retailers and farmers may allow farmers to make necessary investments in improving management and housing in order to reduce antimicrobial use. Greater use and more widespread deployment of effective vaccinations were highlighted by farmers as being a feasible alternative to antimicrobial use in preventing disease.
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Affiliation(s)
- Lucy A. Coyne
- Department of Epidemiology and Population Health, Institute of Infection and Global Health, University of Liverpool, Neston, United Kingdom
| | - Sophia M. Latham
- Department of Epidemiology and Population Health, Institute of Infection and Global Health, University of Liverpool, Neston, United Kingdom
| | - Susan Dawson
- Faculty of Health and Life Sciences, Institute of Veterinary Science, University of Liverpool, Neston, United Kingdom
| | - Ian J. Donald
- Department of Psychological Sciences, Faculty of Health and Life Sciences, Institute of Population Health Science, University of Liverpool, Liverpool, United Kingdom
| | | | - Rob F. Smith
- Faculty of Health and Life Sciences, Institute of Veterinary Science, University of Liverpool, Neston, United Kingdom
| | - Nicola J. Williams
- Department of Epidemiology and Population Health, Institute of Infection and Global Health, University of Liverpool, Neston, United Kingdom
| | - Gina L. Pinchbeck
- Department of Epidemiology and Population Health, Institute of Infection and Global Health, University of Liverpool, Neston, United Kingdom
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23
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Golding SE, Ogden J, Higgins HM. Shared Goals, Different Barriers: A Qualitative Study of UK Veterinarians' and Farmers' Beliefs About Antimicrobial Resistance and Stewardship. Front Vet Sci 2019; 6:132. [PMID: 31106216 PMCID: PMC6494936 DOI: 10.3389/fvets.2019.00132] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 04/09/2019] [Indexed: 01/21/2023] Open
Abstract
Although much research has investigated the drivers of inappropriate antimicrobial prescribing in human medicine, equivalent research in veterinary medicine is in its infancy. This qualitative study used a critical incident approach to explore farm veterinarians' (vets) and farmers' beliefs about antimicrobial use and antimicrobial stewardship. Semi-structured interviews were conducted with 13 vets and 12 farmers in the UK, who worked mostly with beef cattle, dairy cattle and sheep, but a minority also worked with pigs or poultry. An inductive thematic analysis was conducted to explore how vets and farmers understood their responsibilities toward stewardship and antimicrobial resistance (AMR) and to identify key similarities and differences between the professions. The analysis generated four themes: "A shared conflict between ideals and behaviour," "Barriers to stewardship: the vets' perspective," "Barriers to stewardship: the farmers' perspective," and "A shared ambivalence: ownership vs. other-blaming." Vets and farmers demonstrated good understanding of stewardship but their treatment decisions are not always aligned to stewardship principles. Various barriers to improving antimicrobial stewardship were discussed by vets and farmers, but they placed differing emphasis on specific barriers. Faced with these barriers and an awareness that antimicrobial usage is not always aligned to stewardship principles, vets and farmers expressed frustration and a sense of ambivalence toward stewardship, and also engaged in other-blaming for the problem of AMR. In conclusion, vets and farmers in this study seem motivated to be antimicrobial stewards but feel challenged by the day-to-day reality of their jobs; they experience ambivalence toward their responsibilities for AMR, which may negatively impact their motivation to always act as antimicrobial stewards. Successfully tackling AMR will require change at the individual-, group-, and societal-level. Future interventions to improve antimicrobial usage in livestock farming could be situated within a social ecological framework, where other-blaming between professions is seen as a result of the interplay between psychological and contextual factors. Other-blaming could be reduced using a social identity approach; a common ingroup identity could be created by encouraging vets and farmers to focus on their common goal, namely a shared desire to promote animal welfare through optimal antimicrobial stewardship.
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Affiliation(s)
- Sarah E Golding
- Faculty of Health & Medical Sciences, School of Psychology, University of Surrey, Guildford, United Kingdom
| | - Jane Ogden
- Faculty of Health & Medical Sciences, School of Psychology, University of Surrey, Guildford, United Kingdom
| | - Helen M Higgins
- Institute of Veterinary Science, University of Liverpool, Neston, United Kingdom
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Abstract
While antimicrobial resistance is already a public health crisis in human medicine, therapeutic failure in veterinary medicine due to antimicrobial resistance remains relatively uncommon. However, there are many pathways by which antimicrobial resistance determinants can travel between animals and humans: by close contact, through the food chain, or indirectly via the environment. Antimicrobial stewardship describes measures that can help mitigate the public health crisis and preserve the effectiveness of available antimicrobial agents. Antimicrobial stewardship programs have been principally developed, implemented, and studied in human hospitals but are beginning to be adapted for other applications in human medicine. Key learning from the experiences of antimicrobial stewardship programs in human medicine are summarized in this article-guiding the development of a stewardship framework suitable for adaptation and use in both companion animal and livestock practice. The antimicrobial stewardship program for veterinary use integrates infection prevention and control together with approaches emphasizing avoidance of antimicrobial agents. The 5R framework of continuous improvement that is described recognizes the importance of executive support; highly motivated organizations and teams (responsibility); the need to review the starting position, set objectives, and determine means of measuring progress and success; and a critical focus on reducing, replacing, and refining the use of antimicrobial agents. Significant issues that are currently the focus of intensive research include improved detection and diagnosis of infections, refined dosing regimens that are simultaneously effective while not selecting resistance, searches for alternatives to antimicrobial agents, and development of improved vaccines to enhance immunity and reduce disease.
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Drivers of Antimicrobial Use Practices among Tennessee Dairy Cattle Producers. Vet Med Int 2018; 2018:1836836. [PMID: 30687493 PMCID: PMC6327273 DOI: 10.1155/2018/1836836] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 11/29/2018] [Accepted: 12/13/2018] [Indexed: 12/03/2022] Open
Abstract
Nonjudicious antimicrobial use (AMU) and inadequate antimicrobial stewardship are known modifiable factors driving the occurrence of antimicrobial resistance (AMR). A mixed methods approach using a combination of focus groups and survey questionnaires was used to explore the AMU practices of Tennessee (TN) dairy cattle producers. Specifically, the objectives of the study were to determine the following: (1) the most common drivers for using antimicrobials, (2) perceived alternatives to antimicrobials, (3) knowledge of and perceptions regarding AMR, (4) and the appropriate avenues for receiving information on prudent AMU. Two focus groups were conducted, one in July 2017 and the other in March 2018. The questionnaire was simultaneously made available to participants both in print form and online from January 26, 2018, through May 11, 2018. Twenty-three dairy producers participated in the focus groups and 45 responded to the survey. Eight (18.6%) producers never used bacterial culture and sensitivity testing (C/S) to select antimicrobials, more than half (25 producers (58.1%)) sometimes used C/S, four (9.3%) used C/S about half the time, five (11.6%) most of the time, and one (2.3%) always used C/S. The most common drivers for using antimicrobials were disease and animal welfare, pathogen surveillance, economic factors, veterinarian recommendation, producer's experience and judgment, drug attributes, and the Veterinary Feed Directive. Good management practices, vaccination, use of immunomodulatory products, and use of appropriate technology for early disease detection were considered alternatives to AMU. Four (9.1%) dairy producers were very concerned about AMR, 27 (61.4%) moderately concerned, and 10 (22.7%) not concerned. The veterinarian was considered to be a trusted source of information on prudent AMU. Use of C/S test results for antimicrobial selection is widespread among TN dairy producers. There is a need to popularize/promote selective dry cow therapy among TN dairy producers.
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Higham LE, Deakin A, Tivey E, Porteus V, Ridgway S, Rayner AC. A survey of dairy cow farmers in the United Kingdom: knowledge, attitudes and practices surrounding antimicrobial use and resistance. Vet Rec 2018; 183:746. [PMID: 30413678 DOI: 10.1136/vr.104986] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/29/2018] [Accepted: 10/03/2018] [Indexed: 11/04/2022]
Abstract
Antimicrobial resistance (AMR) is among the most pressing challenges facing humanity. This survey of dairy cow farmers (n=372) was conducted to explore knowledge, attitudes and practices surrounding veterinary medicine use and to identify farmer-led solutions to reducing, replacing and refining antimicrobial use. Antimicrobials were the most commonly reported veterinary medicines used. Twenty-two per cent of the antibiotics used by dairy farmers contained a highest priority critically important active ingredient. Mastitis was rated as the most important health and welfare challenge and was the most common reason for medicine use. Frequency of veterinary contact was associated with a decrease in the use of antibiotic footbaths, more 'responsible' treatment choices and increased knowledge of AMR. Purchasing medicine from a vet practice rather than elsewhere was associated with an increased likelihood of disposing of waste milk responsibly. These findings highlight the important role of veterinarians in guiding responsible medicine use. Ninety per cent of participants stated that they were trying to reduce their antimicrobial use. Farmers suggested a wide array of alternative treatments and potential interventions for managing herd health. Findings from this project could be used to target education and training surrounding best practice, supporting the important role that farmers play in protecting public health.
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The importance of communication in promoting voluntary participation in an experimental trial: A qualitative study based on the assessment of the gamma-interferon test for the diagnosis of bovine tuberculosis in France. PLoS One 2017; 12:e0185799. [PMID: 28973018 PMCID: PMC5626495 DOI: 10.1371/journal.pone.0185799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 09/19/2017] [Indexed: 11/22/2022] Open
Abstract
Understanding the factors leading each stakeholder to participate in an experimental trial is a key element for improving trial set-up and for identifying selection bias in statistical analyses. An experimental protocol, validated by the European Commission, was developed in France to assess the ability of the gamma-interferon test in terms of accuracy to replace the second intradermal skin test in cases of suspected bovine tuberculosis. Implemented between 2013 and 2015, this experimental trial was based on voluntary participation. To determine and understand the motivation or reluctance of farmers to take part in this trial, we carried out a sociological survey in France. Our study was based on semi-structured interviews with the farmers and other stakeholders involved. The analysis of findings demonstrated that shortening the lock-up period during tuberculosis suspicion, following the use of a gamma-interferon test, was an important aim and a genuine challenge for the animal health stakeholders. However, some farmers did not wish to continue the trial because it could potentially have drastic consequences for them. Moreover, misunderstandings and confusion concerning the objectives and consequences of the trial led stakeholders to reject it forcefully. Based on our results, we offer some recommendations: clear and appropriate communication tools should be prepared to explain the protocol and its aims. In addition, these types of animal health trials should be designed with the stakeholders’ interests in mind. This study provides a better understanding of farmer motivations and stakeholder influences on trial participation and outcomes. The findings can be used to help design trials so that they promote participation by farmers and by all animal health stakeholders in general.
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Magalhães-Sant’Ana M, More SJ, Morton DB, Hanlon AJ. Challenges facing the veterinary profession in Ireland: 2. On-farm use of veterinary antimicrobials. Ir Vet J 2017; 70:28. [PMID: 28932389 PMCID: PMC5602862 DOI: 10.1186/s13620-017-0106-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 09/05/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Antimicrobial resistance has emerged in recent years as a significant public health threat, which requires both an ethical and a scientific approach. In a recent Policy Delphi study, on-farm use of antimicrobials was a key concern identified by veterinary professionals in Ireland. In this case study (the second in a series of three resulting from a research workshop exploring the challenges facing the veterinary profession in Ireland; the other two case studies investigate clinical veterinary services and emergency/casualty slaughter certification) we aim to provide a value-based reflection on the constraints and possible opportunities for responsible use of veterinary antimicrobials in Ireland. RESULTS Using a qualitative focus group approach, this study gathered evidence from relevant stakeholders, namely veterinarians working in public and private organisations, a representative from the veterinary regulatory body, a dairy farmer and a general medical practitioner. Three overarching constraints to prudent on-farm use of veterinary antimicrobials emerged from the thematic analysis: 'Defective regulations', 'Lack of knowledge and values' regarding farmers and vets and 'Farm-centred concerns', including economic and husbandry concerns. Conversely, three main themes which reflect possible opportunities to the barriers were identified: 'Improved regulations', 'Education' and 'Herd health management'. CONCLUSIONS Five main recommendations arose from this study based on the perspectives of the study participants including: a) the potential for regulatory change to facilitate an increase in the number of yearly visits of veterinarians to farms and to implement electronic prescribing and shorter validity of prescriptions; b) a 'One Health' education plan; c) improved professional guidance on responsible use of veterinary antimicrobials; d) improved on-farm herd health management practices; and e) the promotion of a 'One Farm-One Vet' policy. These findings may assist Veterinary Council of Ireland and other competent authorities when revising recommendations concerning the prudent use of veterinary antimicrobials in farmed animals.
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Affiliation(s)
- Manuel Magalhães-Sant’Ana
- Escola Universitária Vasco da Gama, Av. José R. Sousa Fernandes, Campus Universitário - Bloco B, 3020-210 Coimbra, Portugal
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Simon J. More
- Centre for Veterinary Epidemiology and Risk Analysis, University College Dublin, Dublin, Ireland
| | - David B. Morton
- School of BioSciences, University of Birmingham, Birmingham, B15 2TT UK
| | - Alison J. Hanlon
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
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