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Jiménez-Martín D, García-Bocanegra I, Risalde MA, Napp S, Domínguez M, Romero B, Moreno I, Martínez R, Cano-Terriza D. Mycobacterium tuberculosis complex in domestic goats in Southern Spain. Prev Vet Med 2024; 227:106204. [PMID: 38604014 DOI: 10.1016/j.prevetmed.2024.106204] [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: 10/19/2023] [Revised: 04/02/2024] [Accepted: 04/05/2024] [Indexed: 04/13/2024]
Abstract
Tuberculosis (TB) is a zoonotic infectious disease caused by bacteria belonging to the Mycobacterium tuberculosis complex (MTC), which can affect a wide variety of domestic and wild animal species. Although the role of goats as a reservoir of MTC bacteria has been evidenced, information about the circulation of MTC strains in this species is still very scarce. The aim of the present study was to determine the seroprevalence, spatial distribution, risk factors and MTC spoligotypes circulating in goats from Andalusia (Southern Spain), the Spanish region with the largest goat census and a hotspot area of TB in both cattle and wild ungulates. A total of 2155 serum samples from 80 goat flocks were analyzed by an in-house ELISA using the P22 protein complex as a coating antigen. Antibodies against MTC were detected in 473 goats (21.9%, 95% CI: 20.2-23.7) and the true seroprevalence was 22.3% (95% CI: 20.6-24.1). Seropositivity was found in 72 (90.0%) of the 80 flocks analyzed. The generalized estimating equation model showed that the management system (higher seroprevalence on intensive and semi-intensive farms), and the presence of hospital pens inside the regular stables, were risk factors potentially associated with MTC exposure in goats in Southern Spain. The spatial analysis identified a significant spatial cluster (p < 0.001) in Eastern Andalusia. A total of 16 different MTC spoligotypes, including five of M. caprae and eleven of M. bovis, were identified in goats between 2015 and 2022 in the study area, with SB0157 as the most frequently isolated. The results obtained indicate widespread and non-homogeneous spatial distribution of MTC in goat herds from Southern Spain. The high individual and herd-level seroprevalence values found suggest that goats could play a significant role in the maintenance and transmission of MTC in the study area. Our results highlight the importance of implementing control measures in this species.
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Affiliation(s)
- Débora Jiménez-Martín
- Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain
| | - Ignacio García-Bocanegra
- Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain; CIBERINFEC, ISCIII - CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Spain.
| | - María A Risalde
- CIBERINFEC, ISCIII - CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Spain; Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain
| | - Sebastián Napp
- IRTA, Animal Health Research Centre (CReSA IRTA-UAB), Bellaterra, Spain
| | - Mercedes Domínguez
- Unidad de Inmunología Microbiana, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Beatriz Romero
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET) y Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Inmaculada Moreno
- Unidad de Inmunología Microbiana, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Remigio Martínez
- Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain
| | - David Cano-Terriza
- Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain; CIBERINFEC, ISCIII - CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Spain
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Ferreira JS, Baccili CC, Nemoto BS, Vieira FK, Sviercoski LM, Ienk T, Pagno JT, Gomes V. Biosecurity practices in the dairy farms of southern Brazil. Front Vet Sci 2024; 11:1326688. [PMID: 38601907 PMCID: PMC11004291 DOI: 10.3389/fvets.2024.1326688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 03/08/2024] [Indexed: 04/12/2024] Open
Abstract
Biosecurity refers to a set of practices that prevents and/or controls the introduction, spread, and elimination of harmful biological agents in a production system. In this study, we aimed to survey the biosecurity practices and determine their correlation with the size of production systems. A biosecurity assessment form was provided to 69 farms in the Campos Gerais region of Paraná, Brazil. The questionnaire was divided into two sections: general and bovine viral diarrhea virus- and bovine herpesvirus type-1-specific sections. The general section covered topics on traffic control, quarantine and animal isolation, hygiene practices, carcass disposal, and disease monitoring/control. The specific section consisted of questions on the reproductive and respiratory factors, use of antimicrobials, and vaccination schedule. The 69 farms were also classified into small (≤ 61), medium (62-201), and large (≥ 202) size farms based on the number of lactating cows. Moreover, multiple correspondence analysis (MCA) was performed between the biosecurity measures and farm size. The main risk factors and variability were related to the traffic control of people, animals, and vehicles/equipment, animal quarantine/isolation, and hygiene practices. MCA revealed that the small farms exhibited a lack of biosecurity measures, including those related to traffic control, animal quarantine, and hygiene. In medium-size farms, contact between bovine animals of different ages and difficulty in animal isolation in the quarantine system were among the main risk factors. In contrast, isolation of sick animals was easy, but the need to frequently purchase cattle was an important risk factor in large farms. These results highlight the relationship between biosecurity measures and farm size, providing valuable insights for the development of better biosecurity plans for production systems.
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Affiliation(s)
- Janaína Santos Ferreira
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Camila Costa Baccili
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Beatriz S. Nemoto
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | | | | | - Tanaane Ienk
- Frísia Cooperative Agroindustrial, Carambeí, Paraná, Brazil
| | | | - Viviani Gomes
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
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Toledo-Perona R, Contreras A, Gomis J, Quereda JJ, García-Galán A, Sánchez A, Gómez-Martín Á. Controlling Coxiella burnetii in naturally infected sheep, goats and cows, and public health implications: a scoping review. Front Vet Sci 2024; 11:1321553. [PMID: 38425838 PMCID: PMC10901991 DOI: 10.3389/fvets.2024.1321553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024] Open
Abstract
Q fever is a worldwide zoonotic disease which domestic ruminants are the main source of infection for humans. This scoping review summarizes the control measures currently available to reduce Coxiella burnetii (Cb) infection in naturally infected sheep, goat and cattle herds. A total of 28 articles were included in the review. A lack of methodological standardization was noted in the articles analyzed. The results indicated that long-term vaccination in cows reduces bacterial excretion in milk and environmental contamination. In small ruminants, the results of vaccination in terms of efficacy are variable. In goats, there is a reduction in bacterial excretion, unlike in sheep, where a long-term vaccination program is necessary to reduce bacterial excretion. Moreover, the high persistence of viable Cb in the environment means that control measures for sheep are needed for several years. The use of antibiotics as a control measure in cows and sheep was not found to reduce excretion. However, the combination of vaccination with antibiotic therapy appears to have positive effects in small ruminants in terms of controlling outbreaks of Q fever. Hygiene and biosecurity measures are the basic means for controlling Cb infection on ruminant farms and ensuring public health.
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Affiliation(s)
- Raquel Toledo-Perona
- Microbiological Agents Associated with Animal Reproduction (ProVaginBio), Universidad CEU Cardenal Herrera, Valencia, Spain
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology. Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | | | - Jesús Gomis
- Microbiological Agents Associated with Animal Reproduction (ProVaginBio), Universidad CEU Cardenal Herrera, Valencia, Spain
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology. Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Juan José Quereda
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology. Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
- Research Group Intracellular Pathogens: Biology and Infection, Universidad CEU Cardenal Herrera, Valencia, Spain
| | - Ana García-Galán
- Department of Animal Health, Universidad de Murcia, Murcia, Spain
| | - Antonio Sánchez
- Department of Animal Health, Universidad de Murcia, Murcia, Spain
| | - Ángel Gómez-Martín
- Microbiological Agents Associated with Animal Reproduction (ProVaginBio), Universidad CEU Cardenal Herrera, Valencia, Spain
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology. Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
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Lamichhane B, Mawad AMM, Saleh M, Kelley WG, Harrington PJ, Lovestad CW, Amezcua J, Sarhan MM, El Zowalaty ME, Ramadan H, Morgan M, Helmy YA. Salmonellosis: An Overview of Epidemiology, Pathogenesis, and Innovative Approaches to Mitigate the Antimicrobial Resistant Infections. Antibiotics (Basel) 2024; 13:76. [PMID: 38247636 PMCID: PMC10812683 DOI: 10.3390/antibiotics13010076] [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: 11/21/2023] [Revised: 12/24/2023] [Accepted: 01/10/2024] [Indexed: 01/23/2024] Open
Abstract
Salmonella is a major foodborne pathogen and a leading cause of gastroenteritis in humans and animals. Salmonella is highly pathogenic and encompasses more than 2600 characterized serovars. The transmission of Salmonella to humans occurs through the farm-to-fork continuum and is commonly linked to the consumption of animal-derived food products. Among these sources, poultry and poultry products are primary contributors, followed by beef, pork, fish, and non-animal-derived food such as fruits and vegetables. While antibiotics constitute the primary treatment for salmonellosis, the emergence of antibiotic resistance and the rise of multidrug-resistant (MDR) Salmonella strains have highlighted the urgency of developing antibiotic alternatives. Effective infection management necessitates a comprehensive understanding of the pathogen's epidemiology and transmission dynamics. Therefore, this comprehensive review focuses on the epidemiology, sources of infection, risk factors, transmission dynamics, and the host range of Salmonella serotypes. This review also investigates the disease characteristics observed in both humans and animals, antibiotic resistance, pathogenesis, and potential strategies for treatment and control of salmonellosis, emphasizing the most recent antibiotic-alternative approaches for infection control.
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Affiliation(s)
- Bibek Lamichhane
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Asmaa M. M. Mawad
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Mohamed Saleh
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - William G. Kelley
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Patrick J. Harrington
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Cayenne W. Lovestad
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Jessica Amezcua
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Mohamed M. Sarhan
- Faculty of Pharmacy, King Salman International University (KSIU), Ras Sudr 8744304, Egypt
| | - Mohamed E. El Zowalaty
- Veterinary Medicine and Food Security Research Group, Medical Laboratory Sciences Program, Faculty of Health Sciences, Abu Dhabi Women’s Campus, Higher Colleges of Technology, Abu Dhabi 41012, United Arab Emirates
| | - Hazem Ramadan
- Hygiene and Zoonoses Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Melissa Morgan
- Department of Animal and Food Sciences, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
| | - Yosra A. Helmy
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA
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Stefania C, Alessio M, Paolo M, Tiziano D, Favretto AR, Francesca Z, Giulia M, Giandomenico P. The application of biosecurity practices for preventing avian influenza in North-Eastern Italy turkey farms: An analysis of the point of view and perception of farmers. Prev Vet Med 2024; 222:106084. [PMID: 38064904 DOI: 10.1016/j.prevetmed.2023.106084] [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: 08/17/2023] [Revised: 11/16/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023]
Abstract
INTRODUCTION Italian and international outbreaks of highly pathogenic avian influenza (HPAI), particularly in densely populated poultry areas (DPPAs), have increased over the past few decades. These emerging risks, which endanger both human and animal health and the entire poultry industry, can be effectively limited by biosecurity measures implemented at human-animal food chain interfaces. Some problems, however, persist in the application of these measures on the part of poultry farmers, prompting the need to explore those aspects and causes that limit their implementation. MATERIAL AND METHODS A qualitative approach was selected for the study and a semi-structured interview technique was applied to collect data among turkey farmers (n = 29) working in the north-east of Italy. The aim of this technique was to gather data on farms in order to understand the biosecurity practices adopted and the reasons for and impediments to farmer implementation, or lack thereof. This article presents and discusses the main data collected. RESULTS The study revealed that farmers were familiar with the biosecurity measures necessary to contain avian influenza (AI) and other poultry diseases; personal disinfection and animal isolation practices were particularly prominent. Based on the reported procedures, managerial, economic, and psychosocial factors were among the barriers behind the failure to implement biosecurity measures. These obstacles were variously intertwined and associated with the different action settings. In particular management factors, such as lack of time to apply the rules and difficulties contingent on the farm's structural characteristics, mediate the application of biosecurity measures. In terms of communication channels, the company, particularly its technicians, proved to be the primary source of information for farmers in case of emergencies, as well as the primary source of information on the application of biosecurity measures. However, other sources of information were indicated, such as word of mouth among farmers or other non-institutional figures (relatives and acquaintances). CONCLUSIONS What emerged, was the need to improve not only the biosecurity management skills, but also to implement forms of cooperation among the various key stakeholders in the poultry sector. The information presented in this pilot study needs to be discussed among competent authorities, public and company veterinarians, company technicians, and farmers. Furthermore, this information will help in participatory co-planning of risk prevention and communication strategies to implement a long-term, sustainable, effective approach to address future epidemic emergencies.
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Affiliation(s)
- Crovato Stefania
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, 35020 Legnaro, Italy.
| | - Menini Alessio
- Istituto Zooprofilattico Sperimentale delle Venezie, currently at Euro-Mediterranean Center on Climate Changes (CMCC), via Enrico de Nicola 9, 07100 Sassari, Italy
| | - Mulatti Paolo
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, 35020 Legnaro, Italy
| | - Dorotea Tiziano
- Istituto Zooprofilattico Sperimentale delle Venezie, currently at Servizio Veterinario di Igiene degli Alimenti di Origine Animale e loro derivati, Dipartimento funzionale di Sanità Pubblica Veterinaria e Sicurezza Alimentare, AULSS6 Euganea, Via Frà Paolo Sarpi, 76, Padova, Italy
| | - Anna Rosa Favretto
- Dipartimento di Psicologia, Università degli studi di Torino, Via Verdi 8, 10124 Torino, Italy
| | - Zaltron Francesca
- Dipartimento di Giurisprudenza e Scienze Politiche, Economiche e Sociali, Università del Piemonte Orientale, Via Camillo Cavour, 84, 15121 Alessandria, Italy
| | - Mascarello Giulia
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, 35020 Legnaro, Italy
| | - Pozza Giandomenico
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), Viale dell'Università 10, 35020 Legnaro, Italy
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Morrison R, Rose DC. Factors that influence dairy farmers' decisions to implement Johne's Disease control practices: A systematic review. Prev Vet Med 2023; 220:106053. [PMID: 37865010 DOI: 10.1016/j.prevetmed.2023.106053] [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: 04/08/2023] [Revised: 10/12/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023]
Abstract
Johne's Disease (JD) is an infectious ruminant disease that can cause economic loss for famers through reduced milk yields and infertility and has negative implications for animal welfare. JD is endemic in the dairy populations of many countries and there has been significant effort by governments and industry to try and control it. However, these efforts have had limited success. Many studies look at individual control programmes or the adoption of Johne's control measures; however a wider perspective on what drives farmer participation Johne's control does not currently exist. This study seeks to fill this gap by conducting a systematic review informed by the PRISMA statement. The results suggest that psychological factors such as participation fatigue, cognitive dissidence over animal welfare and not having first-hand experience of the disease act as barriers to Johne's control. To better promote Johne's control, this review emphasises that control programmes need to engage farmers, advisers, and supply chain actors in their design and delivery of control programmes to account for differing attitudes and levels of knowledge.
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Affiliation(s)
- Rosie Morrison
- School of Water, Energy and the Environment, Cranfield University, Bedford MK43 0AL, UK.
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Delpont M, Salazar LG, Dewulf J, Zbikowski A, Szeleszczuk P, Dufay-Lefort AC, Rousset N, Spaans A, Amalraj A, Tilli G, Piccirillo A, Devesa A, Sevilla-Navarro S, van Meirhaege H, Kovács L, Jóźwiak ÁB, Guérin JL, Paul MC. Monitoring biosecurity in poultry production: an overview of databases reporting biosecurity compliance from seven European countries. Front Vet Sci 2023; 10:1231377. [PMID: 37649565 PMCID: PMC10465163 DOI: 10.3389/fvets.2023.1231377] [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: 05/30/2023] [Accepted: 08/04/2023] [Indexed: 09/01/2023] Open
Abstract
Compliance with required on-farm biosecurity practices reduces the risk of contamination and spread of zoonotic and economically important diseases. With repeating avian influenza epidemics in the poultry industry, the need to monitor and improve the overall level of biosecurity is increasing. In practice, biosecurity compliance is assessed by various actors (e.g., academic, private and public institutions), and the results of such assessments may be recorded and gathered in databases which are seldom shared or thoroughly analyzed. This study aimed to provide an inventory of databases related to the assessment of biosecurity in poultry farms in seven major poultry-producing European countries to highlight challenges and opportunities associated with biosecurity data collection, sharing, and use. The institutions in charge of these databases were contacted and interviewed using a structured questionnaire to gather information on the main characteristics of the databases and the context of their implementation. A total of 20 databases were identified, covering the gamut of poultry species and production types. Most databases were linked to veterinary health authorities or academia, and to a lesser extent interbranch organizations. Depending on the institutions in charge, the databases serve various purposes, from providing advice to enforcing regulations. The quality of the biosecurity data collected is believed to be quite reliable, as biosecurity is mostly assessed by trained farm advisors or official veterinarians and during a farm visit. Some of the databases are difficult to analyze and/or do not offer information concerning which biosecurity measures are most or least respected. Moreover, some key biosecurity practices are sometimes absent from certain databases. Although the databases serve a variety of purposes and cover different production types, each with specific biosecurity features, their analysis should help to improve the surveillance of biosecurity in the poultry sector and provide evidence on the benefits of biosecurity.
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Affiliation(s)
| | | | - Jeroen Dewulf
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Artur Zbikowski
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | - Piotr Szeleszczuk
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | | | - Nathalie Rousset
- ITAVI, Institut Technique de l'Aviculture, Pisciculture et Cuniculture, Paris, France
| | - Annick Spaans
- Southern Agriculture and Horticulture Organization, Hertogenbosch, Netherlands
| | - Arthi Amalraj
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Giuditta Tilli
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, Italy
| | - Alessandra Piccirillo
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, Italy
| | - Aitor Devesa
- Centro de Calidad Avícola y Alimentación Animal de la Comunidad Valenciana (CECAV), Castellón, Spain
| | - Sandra Sevilla-Navarro
- Centro de Calidad Avícola y Alimentación Animal de la Comunidad Valenciana (CECAV), Castellón, Spain
| | | | - László Kovács
- Department of Animal Hygiene, Herd Health and Mobile Clinic, University of Veterinary Medicine, Budapest, Hungary
| | - Ákos Bernard Jóźwiak
- Digital Food Chain Education, Research, Development and Innovation Institute, University of Veterinary Medicine, Budapest, Hungary
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Buchan MS, Lhermie G, Mijar S, Pajor E, Orsel K. Individual drivers and barriers to adoption of disease control and welfare practices in dairy and beef cattle production: a scoping review. Front Vet Sci 2023; 10:1104754. [PMID: 37483294 PMCID: PMC10357041 DOI: 10.3389/fvets.2023.1104754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 06/21/2023] [Indexed: 07/25/2023] Open
Abstract
The implementation of disease control and welfare practices is an essential part of limiting disease exposure in livestock, however successful adoption of these practices seem to be low in both the beef and dairy cattle industries. The main objectives of this scoping review were to characterize literature published exploring beef and dairy cattle producers' perceptions on the implementation of various disease control and welfare practices, identify major themes of drivers and barriers that influence producers' adoption of these practices, and identify current gaps in knowledge. A total of 2,486 articles were obtained from two database literature searches and screened, from which 48 articles published between 2010 and 2021 were deemed eligible and charted. Europe was the most common region for articles (58%). A majority of articles focused solely on dairy producers (52%). A wide range of barriers and drivers which were categorized into 4 and 5 key themes, respectively. The most commonly mentioned driver was animal health, welfare, and safety, while the most common barrier was costs. Potential gaps in literature were identified, including the underrepresentation of beef producer perceptions relative to dairy producers in current literature.
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Affiliation(s)
- Marrissa S. Buchan
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Guillaume Lhermie
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
- The Simpson Centre for Agricultural and Food Policy, The School of Public Policy, University of Calgary, Calgary, AB, Canada
| | - Sanjaya Mijar
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Ed Pajor
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Karin Orsel
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
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Moje N, Waktole H, Kassahun R, Megersa B, Chomen MT, Leta S, Debela M, Amenu K. Status of animal health biosecurity measures of dairy farms in urban and peri-urban areas of central Ethiopia. Front Vet Sci 2023; 10:1086702. [PMID: 37065239 PMCID: PMC10090322 DOI: 10.3389/fvets.2023.1086702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/27/2023] [Indexed: 03/30/2023] Open
Abstract
Ethiopian dairy farming has many constraints including disease and lack of appropriate biosecurity measures. With this into consideration, a cross-sectional survey was carried out from November 2021 to April 2022 to determine the animal health biosecurity status of dairy farms and investigate the sociodemographic characteristics of livestock keepers on dairy farm management. A face-to-face questionnaire survey using an online application was used to collect data. The interview involved a total of 380 dairy farms located in six towns in central Ethiopia. The results showed that out of the surveyed farms, 97.6% missed footbaths at their gate points, 87.4% lacked isolation areas for either sick or newly introduced cattle, and 83.4% did not check the health status or quarantine newly introduced cattle. Furthermore, written formal record-keepings on animal health was uncommon, except for a few farms (7.9%). However, nearly all of the respondents (97.9%) gave medical treatments for sick cattle, and 57.1% of them vaccinated their herds regularly during the past 12 months before the survey. Hygienic aspects of the farms showed that 77.4% of the dairy farms appeared to clean the barn on a daily basis. However, 53.2% of respondents did not utilize personal protective equipment while cleaning their farms. A quarter of the dairy farmer (25.8%) avoided mixing their cattle with other herds, and 32.9% of them have implemented isolation of sick animals. In general, the animal health biosecurity assessment of the farms showed that most of the dairy farms (79.5%) earned unacceptable biosecurity levels (score of ≤ 50%), whereas the remaining 20.5% of dairy farms had received a score of >50% (“acceptable level”). The gender of dairy farmers (χ2 value = 7.61; p = 0.006), education level (χ2 value = 12.04; p = 0.007), dairy farm ownership (χ2 value = 41.6; p < 0.001), training on dairy farm management (χ2 value = 37.1; p < 0.001), towns (χ2 value = 31.69; p < 0.001), farm size (χ2 value = 7.7; p = 0.006), and herd size (χ2 value = 28.2; p < 0.001) showed a significant statistical association with biosecurity status. Finally, the study revealed that the level of biosecurity adoption of dairy farms in central Ethiopia is mostly unsatisfactory and calls for designing and implementing intervention measures toward improved animal health in dairy farms and further public health.
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Affiliation(s)
- Nebyou Moje
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
- *Correspondence: Nebyou Moje
| | - Hika Waktole
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
| | - Rediet Kassahun
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
| | - Bekele Megersa
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
| | | | - Samson Leta
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
| | - Mulu Debela
- Department of Rural Development and Agricultural Extension, Ambo University, Ambo, Ethiopia
| | - Kebede Amenu
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Bishoftu, Ethiopia
- Animal and Human Health Program, International Livestock Research Institute, Addis Ababa, Ethiopia
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10
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Nyokabi NS, Lindahl JF, Phelan LT, Berg S, Gemechu G, Mihret A, Wood JLN, Moore HL. Exploring the composition and structure of milk and meat value chains, food safety risks and governance in the Addis Ababa and Oromia regions of Ethiopia. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2023. [DOI: 10.3389/fsufs.2023.1085390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
Demand for animal-source foods (ASF) is increasing globally, driven by population growth and changing dietary preferences. In global south countries, low compliance with good agricultural practices (GAPs) and food safety standards in the production of ASF is a major public health concern due to the high prevalence of foodborne diseases. This study examines the composition and structure of milk and meat value chains and explores food safety risks and governance in the Addis Ababa and Oromia regions of Ethiopia. Stakeholder discussions, key informant interviews and participant observation were undertaken to collect data on milk and meat value chain actors' perceptions of opportunities and constraints to improving access to safe, high-quality milk and meat products. The results reveal low compliance with rules and standards by milk and meat value chain actors which could compromise food safety and quality and expose consumers to public health risks. There was stricter enforcement of GAPs and food safety standards in the case of milk and meat products destined for export compared to products sold in the local market. The main barriers to compliance with food safety regulations were actors' low knowledge, small profit margins, absence of critical food safety infrastructure such as electricity and road and low access to capital to invest in the recommended equipment such as aluminum containers, coolers and fridges. This paper concludes there is a need for targeted efforts to support the adoption of low-cost technologies that could mitigate food safety risks. Additionally, there is a need for improved communication and tailored training for value chain actors that reflect local social, cultural and economic context to incentivise compliance with rules governing food safety and quality.
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11
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Chomyn O, Wapenaar W, Richens IF, Reyneke RA, Shortall O, Kaler J, Brennan ML. Assessment of a joint farmer-veterinarian discussion about biosecurity using novel social interaction analyses. Prev Vet Med 2023; 212:105831. [PMID: 36638608 DOI: 10.1016/j.prevetmed.2022.105831] [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: 06/22/2022] [Revised: 11/19/2022] [Accepted: 12/23/2022] [Indexed: 12/27/2022]
Abstract
Veterinarians are trusted by farmers and play an important role in assisting them to implement biosecurity. More research is needed that particularly focuses on the impact of joint farmer-veterinarian discussions to further understand the role of communication in altering biosecurity behaviours. The aim of this study was to analyse joint dairy cattle farmer-veterinarian discussions about the adoption of on-farm biosecurity using novel social interaction methodologies. Farmer and veterinarian stakeholders were invited to take part in a face-to-face meeting. Introductory presentations were given, followed by separate facilitated veterinarian and farmer discussions. All stakeholders were brought together for a final facilitated group discussion which was audio recorded. Corresponding transcripts from the recordings were analysed via thematic and conversation analyses. Conversation analysis assessments such as turn taking, repair, sequence organisation, overlap and asymmetry were employed to investigate the nature of the conversation. Thematic analysis identified the negative repercussions of conflicting information or ineffective communication surrounding biosecurity implementation. The type of, and importance of, the relationship farmers had with veterinarians and other stakeholders was highlighted. The need to provide personalised biosecurity protocols on farms was identified. Four key factors were identified via conversation analyses. These included: 1) how the conversation facilitated agreement, 2) how the conversation allowed the farmer and veterinarian participants to learn from one another in real time, 3) how the discussion enabled participants to expand upon points they were making, and 4) how participants were able to obtain a greater understanding of the other participants' opinions, even without total resolution. Debate around the effective implementation of biosecurity measures on farms, explored using novel techniques, demonstrated the potential for utilising a discussive approach between veterinarians and farmers to lead to solutions not previously considered. Because of the nature of the discussion, conversation analysis resulted in an informative approach to encapsulating the nuanced dialogue between stakeholders, highlighting the potential of this analysis framework.
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Affiliation(s)
- Olivia Chomyn
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Wendela Wapenaar
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Imogen F Richens
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Rosemary A Reyneke
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Orla Shortall
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Jasmeet Kaler
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
| | - Marnie L Brennan
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough LE126NJ, UK.
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12
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Moya S, Navea J, Casal J, Ciaravino G, Yus E, Diéguez FJ, Benavides B, Tirado F, Allepuz A. Government veterinarians' perceptions of routine biosecurity focused on dairy cattle farms in north-western and north-eastern Spain. Front Vet Sci 2023; 10:1043966. [PMID: 36846258 PMCID: PMC9944682 DOI: 10.3389/fvets.2023.1043966] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/23/2023] [Indexed: 02/11/2023] Open
Abstract
The implementation of biosecurity measures in livestock production systems can be affected by the psychosocial factors of its stakeholders, which can be observed through their knowledge, attitudes and perceptions/practices. In Spain, there are no regulations per se to promote biosecurity. Of all stakeholders, farmers and veterinarians have been addressed in previous biosecurity studies, but not veterinarians belonging specifically to the government services. This study explores this particular group's perceptions of routine biosecurity in livestock production systems in north-western and north-eastern Spain, an understanding of which could help to improve the implementation of biosecurity measures on farms. Eleven interviews were conducted with veterinarians from different levels of the government services in Galicia and Catalonia, and were analyzed through content analysis. Dairy cattle farms were considered as the reference livestock production systems. The respondents stress the limited availability of staff and time resources for biosecurity. The advisory role of government veterinarians is not well recognized among farmers, who feel that their services prioritize their sanctioning role. In fact, government veterinarians consider that farmers only implement biosecurity measures to avoid being sanctioned, and not because they are aware of the importance of biosecurity. Meanwhile, the participants comment that biosecurity regulations should be flexible and need to consider the contexts of the farms where biosecurity measures are implemented. Finally, government veterinarians are willing to attend biosecurity meetings together with all farm stakeholders, at which the government services could be informed about biosecurity issues on farms. The person who could take on the biosecurity advisory role should be defined, along with further discussion of such matters as the responsibilities of each stakeholder. Government veterinary services need to be considered in studies of biosecurity operations in order to improve their implementation. It is therefore concluded that government veterinarians are seeking to balance their own institutional perspective with that of farmers and veterinarians in the routine implementation of biosecurity measures.
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Affiliation(s)
- Sebastián Moya
- Host-Pathogen Interactions (IHAP) - National Research Institute for Agriculture, Food and Environment (INRAE) - École Nationale Vétérinaire de Toulouse (ENVT), Toulouse, France,*Correspondence: Sebastián Moya ✉
| | - José Navea
- Latin American Center for Rural Development (RIMISP), Santiago, Chile
| | - Jordi Casal
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Giovanna Ciaravino
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Eduardo Yus
- Department of Animal Pathology, Universidade de Santiago de Compostela (USC), Lugo, Spain
| | - Francisco Javier Diéguez
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Universidade de Santiago de Compostela (USC), Lugo, Spain
| | - Bibiana Benavides
- Department of Animal Health, Universidad de Nariño (UDENAR), Pasto, Colombia
| | - Francisco Tirado
- Department of Social Psychology, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Alberto Allepuz
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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13
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Qin Y, Chen C, Qin YF, Yang XB, Li MH, Meng XZ, Zhao ZY, Ma N, Cai Y, Zhang Y, Zhao Q. Prevalence and related factors of Enterocytozoon bieneusi in cattle: A global systematic review and meta-analysis. Prev Vet Med 2022; 208:105775. [DOI: 10.1016/j.prevetmed.2022.105775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 09/25/2022] [Accepted: 10/04/2022] [Indexed: 10/31/2022]
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14
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Tilli G, Laconi A, Galuppo F, Mughini-Gras L, Piccirillo A. Assessing Biosecurity Compliance in Poultry Farms: A Survey in a Densely Populated Poultry Area in North East Italy. Animals (Basel) 2022; 12:ani12111409. [PMID: 35681871 PMCID: PMC9179503 DOI: 10.3390/ani12111409] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/16/2022] Open
Abstract
Biosecurity in poultry farms represents the first line of defense against the entry and spread of pathogens that may have animal health, food safety, and economic consequences. The aim of this study was to assess biosecurity compliance in poultry farms located in a densely populated poultry area in North East Italy. A total of 259 poultry farms (i.e., broilers, turkeys, and layers) were surveyed between 2018 and 2019 using standardized checklists, and differences in biosecurity compliance between the poultry sectors and years (only for turkey farms) were tested for significance. Among the three sectors, turkey farms showed the highest compliance. Farm hygiene, infrastructure condition, cleaning and disinfection tools, and procedures were the biosecurity measures most complied with. Some deficiencies were observed in the cleanliness of the farm hygiene lock in broiler farms, as well as the presence of the house hygiene lock in broiler and layer farms and an adequate coverage of built-up litter in turkey and broiler farms. In conclusion, this study highlighted a generally high level of biosecurity in the visited poultry farms (probably due to the stringent national regulation and the integration of the poultry industry) and identified some measures that still need to be improved.
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Affiliation(s)
- Giuditta Tilli
- Department of Comparative Biomedicine and Food Science, University of Padua, Viale dell’Università 16, Legnaro, 35020 Padua, Italy; (G.T.); (A.L.)
| | - Andrea Laconi
- Department of Comparative Biomedicine and Food Science, University of Padua, Viale dell’Università 16, Legnaro, 35020 Padua, Italy; (G.T.); (A.L.)
| | - Francesco Galuppo
- Unità Locale Socio-Sanitaria (ULSS) 6 Euganea, via Enrico degli Scrovegni 14, 35131 Padua, Italy;
| | - Lapo Mughini-Gras
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, 3720 BA Bilthoven, The Netherlands;
- Faculty of Veterinary Medicine, Institute for Risk Assessment Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Alessandra Piccirillo
- Department of Comparative Biomedicine and Food Science, University of Padua, Viale dell’Università 16, Legnaro, 35020 Padua, Italy; (G.T.); (A.L.)
- Correspondence: ; Tel.: +39-049-8272793
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15
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Muurinen J, Cairns J, Ekakoro JE, Wickware CL, Ruple A, Johnson TA. Biological units of antimicrobial resistance and strategies for their containment in animal production. FEMS Microbiol Ecol 2022; 98:6589402. [PMID: 35587376 DOI: 10.1093/femsec/fiac060] [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: 11/10/2021] [Accepted: 05/27/2022] [Indexed: 11/14/2022] Open
Abstract
The increasing prevalence of antimicrobial resistant bacterial infections has ushered in a major global public health crisis. Judicious or restricted antimicrobial use in animal agriculture, aiming to confine the use for the treatment of infections, is the most commonly proposed solution to reduce selection pressure for resistant bacterial strains and resistance genes. However, a multifaceted solution will likely be required to make acceptable progress in reducing antimicrobial resistance, due to other common environmental conditions maintaining antimicrobial resistance and limited executionary potential as human healthcare and agriculture will continue to rely heavily on antimicrobials in the foreseeable future. Drawing parallels from systematic approaches to the management of infectious disease agents and biodiversity loss, we provide examples that a more comprehensive approach is required, targeting antimicrobial resistance in agroecosystems on multiple fronts simultaneously. We present one such framework, based on nested biological units of antimicrobial resistance, and describe established or innovative strategies targeting units. Some of the proposed strategies are already in use or ready to be implemented, while some require further research and discussion among scientists and policymakers. We envision that antimicrobial resistance mitigation strategies for animal agriculture combining multiple tools would constitute powerful ecosystem-level interventions necessary to mitigate antimicrobial resistance.
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Affiliation(s)
- Johanna Muurinen
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA.,Department of Microbiology, Viikinkaari 9, 00014 University of Helsinki, Helsinki, Finland
| | - Johannes Cairns
- Organismal and Evolutionary Biology Research Programme (OEB), Department of Computer Science, 00014 University of Helsinki, Helsinki, Finland
| | - John Eddie Ekakoro
- Department of Public and Ecosystem Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Carmen L Wickware
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - Audrey Ruple
- Department of Population Health Sciences, Virginia Tech, Blacksburg, VA, USA
| | - Timothy A Johnson
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
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16
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Emergence of Besnoitia besnoiti in Belgium. Pathogens 2021; 10:pathogens10121529. [PMID: 34959484 PMCID: PMC8706464 DOI: 10.3390/pathogens10121529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/03/2021] [Accepted: 11/13/2021] [Indexed: 11/17/2022] Open
Abstract
Bovine besnoitiosis is a cattle disease caused by a protozoan parasite called Besnoitia besnoiti. It is of serious economic concern to the cattle industry and also compromises animal welfare. For several years, it has been considered an emerging disease in some countries and regions located in the north of Europe far away from the known endemic areas in the south. This study describes the situation in the southern part of Belgium, where the parasite was recently introduced through imports of animals coming from departments of France where the disease was present. It details the detection of clinical cases as well as disease transmission features related to contacts during grazing and sales of infected cattle. A tracking and monitoring system was quickly set up and detected twelve outbreaks. Several cattle were controlled, but the lack of appropriate regulations weakens disease-management efforts. Hopefully, this predictable and silent introduction triggers the awareness of decision-makers about the need for an appropriate prevention and control policy, law enforcement, and the implementation of necessary measures to avoid bovine besnoitiosis becoming endemic in Belgium or other non-endemic countries. In addition, more proactive surveillance is required from authorities through threat analysis in the context of the risk of emergence or re-emergence of infectious animal diseases.
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17
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Biosecurity at Cattle Farms: Strengths, Weaknesses, Opportunities and Threats. Pathogens 2021; 10:pathogens10101315. [PMID: 34684268 PMCID: PMC8538770 DOI: 10.3390/pathogens10101315] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 12/16/2022] Open
Abstract
Biosecurity is a key component of any animal and public health strategy and disease prevention and control programs. This study reviewed the main findings of different studies implemented from 2015 to 2021 to analyse the biosecurity situation at Belgian cattle farms, including attitudes and behaviours of cattle farmers and rural veterinarians regarding biosecurity measures. Specifically, the objective was to perform a SWOT (strengths, weaknesses, opportunities and threats) analysis of the situation and propose a new conceptual framework improving the level of biosecurity in the cattle sector. Biosecurity in cattle farming remains relatively low and faces multiple challenges. Its future improvement requires the different stakeholders to agree on shared goals and objectives and to carefully consider animal, public and environmental health, as well as socioeconomic and cultural factors. Further cost efficiency studies are required to identify the most important biosecurity measures and convince the stakeholders of their utility and benefits. Cattle farmers rely mainly on rural veterinarians for technical guidance and consider them as trustful informants. To be more effective in promoting these good practices, rural veterinarians need a proper guidance from the authorities, a proper training on biosecurity and communication, as well as an enabling environment.
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18
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Renault V, Damiaans B, Humblet MF, Jiménez Ruiz S, García Bocanegra I, Brennan ML, Casal J, Petit E, Pieper L, Simoneit C, Tourette I, van Wuyckhuise L, Sarrazin S, Dewulf J, Saegerman C. Cattle farmers' perception of biosecurity measures and the main predictors of behaviour change: The first European-wide pilot study. Transbound Emerg Dis 2020; 68:3305-3319. [PMID: 33225630 DOI: 10.1111/tbed.13935] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 11/16/2020] [Accepted: 11/18/2020] [Indexed: 01/16/2023]
Abstract
The importance of biosecurity as a strategy to prevent and control infectious diseases has increased substantially over the last few decades. Several studies have reported a low implementation level of biosecurity measures (BSM), particularly in cattle farms. In addition, a recent study demonstrated that cattle farmers are well aware of the recommended BSM and recognize them as more effective (in terms of time and costs) than treatment for disease. Therefore, other factors must be considered when it comes to understanding the decision-making process followed by a farmer regarding the adoption of BSM. This study analysed the possible influence of five mental constructs described in the health belief model (HBM) on the adoption of BSM and assessed the possible association of these constructs with different demographic and socio-psychological factors. Through an online survey, 988 questionnaires were completed by cattle farmers originating from Belgium, France, Germany, Spain and the Netherlands. The study revealed that the actual implementation of the BSM seems to be significantly influenced by the farmers' perception of the measures' benefits and the perception of health responsibility. Both constructs are influenced by the farmers' personality in terms of risk aversion and biosecurity knowledge. It was also found that organic farmers had a significantly lower perception of the BSM benefits and of their responsibility towards animal, public and environmental health when compared with other types of farmer. Organic farmers in this study seemed less likely to implement biosecurity measures. To increase the adoption of BSM by cattle farmers, it is therefore important to emphasise the actual evidence-based benefits of the measures and to investigate further how to strengthen cattle farmers' sense of responsibility towards animal, public and environmental health.
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Affiliation(s)
- Véronique Renault
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal Health (FARAH) Centre, Faculty of Veterinary Medicine, University of Liege, Liege, Belgium
| | - Bert Damiaans
- Veterinary Epidemiology Unit, Department Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Gent, Belgium
| | - Marie-France Humblet
- Department of Occupational Safety and Health, Biosafety and Biosecurity Unit, University of Liege, Liege, Belgium
| | - Saúl Jiménez Ruiz
- SaBio Group (Health and Biotechnology), Instituto de Investigación en Recursos Cinegéticos (IREC; CSIC-UCLM-JCCM), Ciudad Real, Spain.,Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Córdoba, Spain
| | - Ignacio García Bocanegra
- Department of Animal Health, Faculty of Veterinary Medicine, University of Córdoba, Córdoba, Spain
| | - Marnie L Brennan
- School of Veterinary Medicine and Science, University of Nottingham, Loughborough, UK
| | - Jordi Casal
- Department of Animal Health and Anatomy, Faculty of Veterinary Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Etienne Petit
- Groupements de Défense Sanitaire (GDS), Paris, France
| | - Laura Pieper
- Institute for Veterinary Epidemiology and Biostatistics, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Celine Simoneit
- Institute for Veterinary Epidemiology and Biostatistics, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | | | | | - Steven Sarrazin
- Veterinary Epidemiology Unit, Department Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Gent, Belgium
| | - Jeroen Dewulf
- Veterinary Epidemiology Unit, Department Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Gent, Belgium
| | - Claude Saegerman
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal Health (FARAH) Centre, Faculty of Veterinary Medicine, University of Liege, Liege, Belgium
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19
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Villaamil FJ, Arnaiz I, Allepuz A, Molins M, Lazaro M, Benavides B, Moya SJ, Fabrega JC, Yus E, Dieguez FJ. A survey of biosecurity measures and serological status for bovine viral diarrhoea virus and bovine herpesvirus 1 on dairy cattle farms in north-west and north-east Spain. Vet Rec Open 2020; 7:e000399. [PMID: 32995015 PMCID: PMC7497555 DOI: 10.1136/vetreco-2020-000399] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Biosecurity is a key measure to reduce and prevent the introduction of diseases to farms and minimise spread of diseases within a herd. The aim of the study was to characterise the current application of biosecurity measures on dairy cattle farms in Spain along with their bovine viral diarrhoea and infectious bovine rhinotracheitis status. METHODS Data on biosecurity measures for 124 dairy herds were collected using a questionnaire. The sanitary status of these farms for bovine viral diarrhoea and infectious bovine rhinotracheitis was also assessed using antibody ELISA. Data were analysed using multiple correspondence analysis and a two-step cluster analysis. RESULTS Three main clusters of farms were identified: clusters 1 and 2 included herds of small and intermediate sizes. These, particularly cluster 1, showed the most deficiencies in the control of vehicles and visitors. However, laboratory tests were always performed on purchased animals. Cluster 3 had the largest herd sizes, with somewhat better biosecurity control of vehicles and visitors. However, farms in this cluster also purchased the most animals, sometimes without testing, and hired external workers more often. CONCLUSION The study indicated that, in the study population, there are serious shortcomings in the application of biosecurity measures on dairy farms, exposing them to disease transmission. This survey also highlights regional and herd size-related differences in the implementation of biosecurity. Collecting data is an important first step to identification of specific weaknesses in different farm typologies, and an adequate follow-up is needed to ensure that measures are implemented correctly on farms.
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Affiliation(s)
| | - Ignacio Arnaiz
- Serology, Animal Health and Production Laboratory of Galicia, Lugo, Spain
| | - Alberto Allepuz
- Department of Helath ans Animal Anatomy, Universitat Autònoma de Barcelona, Barcelona, Catalunya, Spain
| | - Miquel Molins
- Animal Health Service, Animal Health Laboratory of Catalonia, Lleida, Spain
| | - Mercedes Lazaro
- Dairy Interprofessional Laboratory of Catalonia, Cabrils, Barcelona, Spain
| | - Bibiana Benavides
- Animal Health Department, Universidad de Nariño, San Juan de Pasto, Colombia
| | - Sebastián J Moya
- Department of Helath ans Animal Anatomy, Autonomous University of Barcelona, Barcelona, Catalunya, Spain
| | - Jordi Casal Fabrega
- Sanidad y Anatomia Animal, Universidad Autonoma de Barcelona, Barcelona, Catalonia, Spain
- Epidemiologia, Centre de Recerca en Sanitat Animal (CReSA), UAB, IRTA, Barcelona, Catalonia, Spain
| | - Eduardo Yus
- Institute of Food Analysis and Research, Santiago de Compostela University, Lugo, Spain
| | - Francisco J Dieguez
- Animal Production, University of Santiago de Compostela, Lugo, Galicia, Spain
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20
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Nyabinwa P, Kashongwe OB, Hirwa CD, Bebe BO. Perception of farmers about endometritis prevention and control measures for zero-grazed dairy cows on smallholder farms in Rwanda. BMC Vet Res 2020; 16:175. [PMID: 32503530 PMCID: PMC7275537 DOI: 10.1186/s12917-020-02368-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/10/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Endometritis is a prevalent uterine disease in postpartum cows. The disease reduces fertility performance and milk yield, and subsequently, productivity and profitability of dairy farms. The reduction in performance is associated with considerable economic losses on dairy farms. Smallholder farmers are likely to incur considerable economic losses from the disease where they lack knowledge of effective prevention and control measures for the disease. This study used farmer's perspectives to determine the effectiveness of different management interventions (MIs) for endometritis prevention and control on smallholder farms in Rwanda practicing dairy zero-grazing. The best-worst scaling (BWS) choice method was applied that relied on past 1 year recall data obtained from 154 farmers. These farmers were identified through snowball sampling in a cross-sectional study. RESULTS Of the 20 MIs evaluated, 12 scored highly for effectiveness. The top four most effective are: avoiding sharing equipment with neighbouring farms (45.5%), consulting animal health service provider about disease treatment (31.8%), keeping cows in a clean and dry shed (26.7%), and selecting sires based on calving ease (26.6%). The MIs considered least effective were: maintaining clean transition cow housing (35.1%), removal of fetal membrane immediately after passing (33.1%), disinfecting the equipment used in calving assistance before and after use (32.5%), and selecting sires with low percent stillbirths (29.2%). CONCLUSION This study has demonstrated the application of BWS object case method in understanding the MIs that farmers consider are most effective in the prevention and control of endometritis disease in the dairy herds. The MIs are on-farm biosecurity and hygiene, seeking veterinary services for disease treatment and selecting sires for ease of calving. These MIs should be considered for prioritization in extension services and research to continuously improve and enhance their practical application on smallholder dairy farms.
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Affiliation(s)
- Pascal Nyabinwa
- Rwanda Agriculture and Animal Resources Development Board, P.O; Box 5016, Kigali, Rwanda.
- Department of Animal Sciences, Faculty of Agriculture, Egerton University, P.O; Box 536, Egerton, Kenya.
| | - Olivier Basole Kashongwe
- Department of Animal Sciences, Faculty of Agriculture, Egerton University, P.O; Box 536, Egerton, Kenya
| | - Claire d'Andre Hirwa
- Rwanda Agriculture and Animal Resources Development Board, P.O; Box 5016, Kigali, Rwanda
| | - Bockline Omedo Bebe
- Department of Animal Sciences, Faculty of Agriculture, Egerton University, P.O; Box 536, Egerton, Kenya
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Damiaans B, Renault V, Sarrazin S, Berge AC, Pardon B, Saegerman C, Dewulf J. A risk-based scoring system to quantify biosecurity in cattle production. Prev Vet Med 2020; 179:104992. [PMID: 32438203 DOI: 10.1016/j.prevetmed.2020.104992] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/28/2020] [Accepted: 04/04/2020] [Indexed: 11/17/2022]
Abstract
Farm biosecurity includes all measures preventing pathogens from entering (external) and spreading within a herd (internal) and is important in facilitating the shift from cure to prevention in veterinary medicine. To assess biosecurity on farm level quantitatively an objective measurement process is required. This study describes the development and implementation of risk-based weighted biosecurity evaluation tools for veal, beef and dairy cattle farms. Based on risk factors and biosecurity measures associated with priority cattle diseases and the results of a cross-sectional survey on Belgian farms, questions were selected for the Biocheck-tool. The scoring system consists of three separate questionnaires that contain 69 (veal), 104 (beef) and 124 (dairy) questions. Experts in various fields of veterinary medicine were asked to weigh the different biosecurity categories and questions according to the method of Gore. The system obtained provides biosecurity scores per category (external and internal biosecurity) and subcategory (e.g. purchase, transport, health management). The Biocheck tool was subsequently used in a survey to assess biosecurity in 20 veal, 50 beef and 50 dairy farms. For all production systems, both internal and external biosecurity were considered low, resulting in low mean total biosecurity scores of 39.7 points for veal (SD = 7.4), 44.3 for beef (SD = 8.4), and 48.6 points for dairy farms (SD = 8.1), out of a maximum of 100 points. For all farm types, the scores for internal biosecurity were lower compared to external biosecurity. Veal farms scored significantly lower for "purchase" than beef and dairy, while scoring higher for the other subcategories of external biosecurity. In dairy and beef, "purchase and reproduction" was the highest scoring subcategory. For internal biosecurity, "health management" was particularly low in the three farm types, while subcategories exceeding 50 points were rare. With this tool, implementation of biosecurity on cattle farms can be assessed in a standardized and reproducible manner. This evaluation allows for benchmarking of farms and herd-specific advice for improvements.
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Affiliation(s)
- Bert Damiaans
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
| | - Véronique Renault
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR), Faculty of Veterinary Medicine, University of Liege, Belgium
| | - Steven Sarrazin
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Anna Catharina Berge
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Bart Pardon
- Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 17 Merelbeke, Belgium
| | - Claude Saegerman
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR), Faculty of Veterinary Medicine, University of Liege, Belgium
| | - Jeroen Dewulf
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
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22
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Renault V, Lomba M, Delooz L, Ribbens S, Humblet MF, Saegerman C. Pilot study assessing the possible benefits of a higher level of implementation of biosecurity measures on farm productivity and health status in Belgian cattle farms. Transbound Emerg Dis 2019; 67:769-777. [PMID: 31648411 DOI: 10.1111/tbed.13396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 09/21/2019] [Accepted: 10/02/2019] [Indexed: 11/30/2022]
Abstract
Over the last few years, the interest of decision-makers and control agencies in biosecurity (BS), aiming at preventing and controlling the introduction and spread of infectious diseases, has considerably increased. Nevertheless, previous studies highlighted a low implementation level of biosecurity measures (BSM), especially in cattle farms; different reasons were identified such as perceived costs, utility, importance, increased workload and lack of knowledge. In order to convince cattle farmers to adopt BSM, it is necessary to gather more information and evidence on their cost-effectiveness and their importance or utility in terms of disease prevention and control. The objectives of this study were to determine whether the farm or farmers' profile correlated with the implementation level of BSM and if there was a positive correlation between the BSM implementation and the farm production and health parameters. Data were collected through face-to-face interviews conducted in 100 Belgian farms as part of a stratified and randomized survey. The Regional Animal Health Services provided the farm health status and production data. A general BS score and five sub-scores related to the five BS compartments (bio-exclusion, bio-compartmentation, bio-containment, bio-prevention and bio-preservation) were calculated for each farm based on the implementation level of different BSM grouped in 16 domains. The study highlighted a significant and negative correlation between the mortality rates in adult cattle (over 24 months of age) and young calves (aged 0-7 days) and different BS compartment scores. The study also demonstrated that the farms having a higher general BS score were indeed more likely to have a BVD-free status. These evidence-based findings are encouraging as they demonstrate the benefits of implementing BSM and could promote their adoption by farmers.
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Affiliation(s)
- Véronique Renault
- Faculty of Veterinary Medicine, Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal Health (FARAH) Centre, University of Liege, Liege, Belgium
| | - Marc Lomba
- Regional Association of Animal Health and Identification (ARSIA), Ciney, Belgium
| | - Laurent Delooz
- Regional Association of Animal Health and Identification (ARSIA), Ciney, Belgium
| | | | - Marie-France Humblet
- Department of Occupational Protection and Hygiene, Biosafety and Biosecurity Unit, University of Liege, Liege, Belgium
| | - Claude Saegerman
- Faculty of Veterinary Medicine, Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal Health (FARAH) Centre, University of Liege, Liege, Belgium
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23
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Damiaans B, Renault V, Sarrazin S, Berge AC, Pardon B, Ribbens S, Saegerman C, Dewulf J. Biosecurity practices in Belgian veal calf farming: Level of implementation, attitudes, strengths, weaknesses and constraints. Prev Vet Med 2019; 172:104768. [PMID: 31557684 PMCID: PMC7127683 DOI: 10.1016/j.prevetmed.2019.104768] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 07/17/2019] [Accepted: 09/01/2019] [Indexed: 12/25/2022]
Abstract
The shift from cure toward prevention in veterinary medicine involves the implementation of biosecurity. In cattle farming, the application of biosecurity measures has been described to a limited degree, yet no data on biosecurity on veal farms is available. A high degree of commingling of veal calves from multiple farms causes frequent disease outbreaks, and thereby high antimicrobial usage and increased risk of antimicrobial resistance. Therefore, this study aimed to describe the current implementation of biosecurity on veal farms in Belgium. To this extent, a list of the most important calf diseases (n = 34) was created, and risk factors and related biosecurity measures for these diseases were determined and included in a questionnaire. Herd visits and face-to-face interviews were conducted on 20 randomly selected veal farms, comprising 8.3% of the target population. A categorical principal component and clustering analysis were performed to determine the influence of the veal companies on the farms' biosecurity level. Awareness of biosecurity was very low among the farmers. All farms used an "all-in, all-out" production system with calves originating from multiple farms without quarantine. On average, farms were filled in 11.4 days (range 2-52). The degree of commingling for these farms was 1.24, meaning that, on average, 124 calves originated from 100 farms. Veterinarians wore farm-specific boots on eight farms (40%) and farm-specific clothes on six farms (30%), while technical advisors wore farm-specific boots on six farms (30%) and farm-specific clothes on four farms (20%). Disinfection footbaths were only used in five farms (25%) despite being present in all farms in the sample. Concerning internal biosecurity, none of the farmers isolated sick animals; only one farmer (5%) had a physically separated hospital pen, and only 11 farmers (55%) both cleaned and disinfected the stables after each production cycle. In most farms, animals were of comparable age. Healthy calves generally remained in the same compartment during the entire production cycle, limiting the risks associated with the movement of animals. No influence of the integrations on the biosecurity level could be determined. It can be concluded that a few biosecurity measures, such as "'all-in, all-out" and compartmentation, are implemented relatively well, while other measures, such as good cleaning and disinfection and proper entrance measures for visitors and personnel can easily be improved. The improvement of measures regarding the introduction of animals of different origins will require more fundamental changes in the veal industry.
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Affiliation(s)
- Bert Damiaans
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
| | - Véronique Renault
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR), Fundamental and Applied Research for Animal and Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liege, Belgium
| | - Steven Sarrazin
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Anna Catharina Berge
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Bart Pardon
- Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | | | - Claude Saegerman
- Research Unit in Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR), Fundamental and Applied Research for Animal and Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liege, Belgium
| | - Jeroen Dewulf
- Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
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Moya S, Tirado F, Espluga J, Ciaravino G, Armengol R, Diéguez J, Yus E, Benavides B, Casal J, Allepuz A. Dairy farmers' decision-making to implement biosecurity measures: A study of psychosocial factors. Transbound Emerg Dis 2019; 67:698-710. [PMID: 31600857 PMCID: PMC7079090 DOI: 10.1111/tbed.13387] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 09/24/2019] [Accepted: 10/02/2019] [Indexed: 12/20/2022]
Abstract
Biosecurity measures are a set of management procedures that prevent the risk of introducing and spreading infectious diseases to a farm, although these measures are rarely implemented in dairy farms. There are some studies that have identified that the decision to implement biosecurity measures can be influenced by several psychosocial factors (attitudes and behaviours). Thus, the objective of this study was to examine the psychosocial factors (and their interactions) influencing the implementation of biosecurity measures in dairy farms in Spain, through the views of dairy farmers and veterinarians from Catalonia (northeast Spain) and Galicia (northwest Spain). Face‐to‐face in‐depth interviews were performed with 16 dairy farmers (nine from Catalonia and seven from Galicia) and 16 veterinarians (eight from Catalonia and eight from Galicia). Grounded theory analysis was performed on the transcripts, following the subtopics of: information sources, individual factors of the farmer, social dynamics, official veterinary services and other factors. The study identified the importance of veterinarians as a source of information, including their communication skills, the individual experiences of farmers, traditions of the farms and availability of time and space in the dairy farmer's decisions making. Further, it suggests the need to deepen the knowledge of the farm workers and the obligatory biosecurity measures. This research represents a starting point to develop future strategies to improve the implementation of biosecurity measures in dairy farms.
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Affiliation(s)
- Sebastián Moya
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Francisco Tirado
- Department of Social Psychology, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Josep Espluga
- Departament of Sociology, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Giovanna Ciaravino
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Ramon Armengol
- Department of Animal Science, Universitat de Lleida (UDL), Lleida, Spain
| | - Javier Diéguez
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Area of Animal Production, Universidad de Santiago de Compostela (USC), Lugo, Spain
| | - Eduardo Yus
- Department of Animal Pathology, Area of Animal Health, Universidad de Santiago de Compostela (USC), Lugo, Spain
| | - Bibiana Benavides
- Department of Animal Health, Universidad de Nariño (UDENAR), Pasto, Colombia
| | - Jordi Casal
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Centre de Recerca en Sanitat Animal (CReSA), Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Alberto Allepuz
- Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Centre de Recerca en Sanitat Animal (CReSA), Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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