Transboundary and Emerging Diseases最新文献

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Analysis of Cross-Border Movement of Cattle in Yunnan Province, China: Insights Into Transboundary Animal Diseases Control 中国云南省牛的跨境流动分析:跨界动物疾病控制的启示
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-09-11 DOI: 10.1155/tbed/5561414
Dai Meixia, Yi Ying, Tang Hao, Liu Hanze, Yang Honglin, Li Chao, Shen Chaojian, Zhang Yi
{"title":"Analysis of Cross-Border Movement of Cattle in Yunnan Province, China: Insights Into Transboundary Animal Diseases Control","authors":"Dai Meixia,&nbsp;Yi Ying,&nbsp;Tang Hao,&nbsp;Liu Hanze,&nbsp;Yang Honglin,&nbsp;Li Chao,&nbsp;Shen Chaojian,&nbsp;Zhang Yi","doi":"10.1155/tbed/5561414","DOIUrl":"https://doi.org/10.1155/tbed/5561414","url":null,"abstract":"<p>Owing to the unique geographical location of Yunnan province in China, cross-border animal movement has historically been frequent. To get the routing and amount of cross-border animal movement and assess the impact of border control infrastructures on animal movement and potentially disease transmission, a cross-sectional study was conducted in the border areas of Yunnan province from August to October 2023. Epidemiological survey data showed that the smuggled cattle came from Myanmar, Laos, Thailand, India, Bengal, Sri Lanka, and other countries, and then the cattle were cross-border transported through different county, and by several different pathways. Due to the isolating devices on the border and narrowing price gap, the volume of cross-border animal movements sharply decreased compared to that before the COVID-19 pandemic. Most of the smuggled cattle were sold to the southern provinces of China, a proportion of them were short-term fattened locally. In the process of cross-border and domestic transport, the practice of no disinfection of the transport vehicle and ship and mixing of cattle from different origins were high-risk practices for disease transmission. In the livestock market, no cleaning and disinfection, sharing forage and cattle sheds, high density of people, vehicle, and cattle may accelerate disease transmission. This survey and analysis may serve as a foundation for risk control and intervention strategies of transboundary animal disease.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/5561414","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145038207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Projected Distributions of Two Key Vectors of Lumpy Skin Disease, Aedes aegypti and Stomoxys calcitrans, Under Climate Change 气候变化条件下肿块性皮肤病两种主要传播媒介埃及伊蚊和钙化口蚊的预测分布
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-09-09 DOI: 10.1155/tbed/1457227
Li Li, Zhulin Zhang, Haoyu Ran, Mingwei Xing, Boyang Liu
{"title":"Projected Distributions of Two Key Vectors of Lumpy Skin Disease, Aedes aegypti and Stomoxys calcitrans, Under Climate Change","authors":"Li Li,&nbsp;Zhulin Zhang,&nbsp;Haoyu Ran,&nbsp;Mingwei Xing,&nbsp;Boyang Liu","doi":"10.1155/tbed/1457227","DOIUrl":"https://doi.org/10.1155/tbed/1457227","url":null,"abstract":"<p>Lumpy skin disease (LSD), a severe transboundary disease of cattle, has caused substantial economic losses worldwide. Its transmission involves multiple vector species, among which <i>Aedes aegypti</i> and <i>Stomoxys calcitrans</i> are recognized as important contributors due to their broad distribution and ecological adaptability. Modeling the global distribution of the two key vectors is essential for anticipating their potential range expansion under climate change, thereby providing a scientific basis for developing targeted surveillance and control strategies for LSD. Our ensemble models revealed distinct environmental drivers and distributional responses for <i>A. aegypti</i> and <i>S. calcitrans</i>. The distribution of <i>A. aegypti</i> was predicted to be primarily influenced by urban land cover as well as temperature-related variables, especially the mean temperature of the wettest quarter (Bio8) and the mean temperature of the driest quarter (Bio9). In contrast, <i>S. calcitrans</i> was strongly driven by managed pasture coverage and precipitation seasonality, indicating its reliance on livestock-associated habitats and stable moisture conditions. Under future climate scenarios, <i>A. aegypti</i> showed a pronounced potential for expansion into higher latitudes, while <i>S. calcitrans</i> exhibited range shifts toward temperate regions. Taking the 2050s (SSP1-2.6) as an example, the percentage gain for <i>A. aegypti</i> reached 96.2%, while for <i>S. calcitrans</i>, the percentage gain reached 43.98%. Our findings highlight the importance of multiple vector assessments in predicting LSD risk under climate change. Distinct habitat shifts of <i>A. aegypti</i> and <i>S. calcitrans</i> indicate the need for differentiated control strategies in different regions.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/1457227","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145013014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pathogenic Potential of Erysipelothrix piscisicarius in Pigs and Its Implications for Surveillance in Brazil 猪瘟丹毒在猪中的致病潜力及其对巴西监测的意义
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-09-05 DOI: 10.1155/tbed/5618952
Fernando Moreira Petri, Giovana da Silva Nogueira, Gustavo M. R. Simão, Ana K. Panneitz, Gabriel A. de Aguiar, Ana Clara A. de Lima, Eduarda R. Braga, Kellem do Carmo, Suzana S. Kuchiishi, Adrienny T. Reis, Fabio A. Vannucci, Luís Guilherme de Oliveira
{"title":"Pathogenic Potential of Erysipelothrix piscisicarius in Pigs and Its Implications for Surveillance in Brazil","authors":"Fernando Moreira Petri,&nbsp;Giovana da Silva Nogueira,&nbsp;Gustavo M. R. Simão,&nbsp;Ana K. Panneitz,&nbsp;Gabriel A. de Aguiar,&nbsp;Ana Clara A. de Lima,&nbsp;Eduarda R. Braga,&nbsp;Kellem do Carmo,&nbsp;Suzana S. Kuchiishi,&nbsp;Adrienny T. Reis,&nbsp;Fabio A. Vannucci,&nbsp;Luís Guilherme de Oliveira","doi":"10.1155/tbed/5618952","DOIUrl":"https://doi.org/10.1155/tbed/5618952","url":null,"abstract":"<p><i>Erysipelothrix</i> (<i>E</i>.) <i>piscisicarius</i> is an emerging pathogen previously described in fish and more recently isolated from a clinical outbreak in swine. This study aimed to evaluate the course of infection and pathological outcomes of <i>E. piscisicarius</i> in pigs using an experimental intradermal challenge model. Twenty-six 70-day-old pigs were randomly allocated into three groups: high-dose (HD group, <i>n</i> = 10) and low-dose (LD group, <i>n</i> = 10) were challenged intradermally with 10<sup>10</sup> colony forming units (CFUs) and 10<sup>8</sup> CFU using a Brazilian field isolate obtained from a pig with erysipelas-like lesions and confirmed by whole-genome sequencing (WGS) and average nucleotide identity (ANI), respectively, while CONT (control, <i>n</i> = 6) served as a negative control. Clinical monitoring, hematological assessments, acute-phase proteins (APPs) quantification, bacteriological culture, and quantitative PCR (qPCR) targeting the <i>spaC</i> gene were performed over 14 days. Challenged pigs developed mild clinical signs, including transient fever and characteristic rhomboid skin lesions resembling classical swine erysipelas. No mortality occurred. Hematological analysis revealed significant reductions in red blood cell (RBC) count, hemoglobin (HGB), and hematocrit (HCT), particularly in the LD group at 7 and 14 days post-challenge (dpc) (<i>p</i>  &lt; 0.05), suggestive of inflammatory anemia. APP analysis showed a significant increase in ceruloplasmin across all groups over time, whereas transferrin levels decreased only in the control group. Bacterial isolation was unsuccessful; however, qPCR detected <i>E. piscisicarius</i> deoxyribonucleic acid (DNA) in blood, skin, liver, and spleen samples, confirming systemic dissemination, particularly at 7 dpc. These findings demonstrate that <i>E. piscisicarius</i> can induce clinical and pathological alterations in swine, although with mild severity under experimental conditions. Moreover, the study highlights the importance of differentiating <i>E. piscisicarius</i> from <i>E. rhusiopathiae</i> in diagnostics, given the potential limitations of current vaccine strategies.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/5618952","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pathogenicity of the First Buffalo-origin Senecavirus A in Conventional Piglets and Buffaloes 第一水牛源塞内卡病毒A在普通仔猪和水牛中的致病性
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-09-02 DOI: 10.1155/tbed/6222217
Xia Zhou, Qi Zhai, Jiawei Niu, Gen Li, Tianbao Chen, Yan Li, Huahua Kang, Chunling Li, Hongchao Gou, Pinpin Chu, Kunli Zhang, Zhiyong Jiang, Zhibiao Bian, Ming Liao, Shao-Lun Zhai
{"title":"Pathogenicity of the First Buffalo-origin Senecavirus A in Conventional Piglets and Buffaloes","authors":"Xia Zhou,&nbsp;Qi Zhai,&nbsp;Jiawei Niu,&nbsp;Gen Li,&nbsp;Tianbao Chen,&nbsp;Yan Li,&nbsp;Huahua Kang,&nbsp;Chunling Li,&nbsp;Hongchao Gou,&nbsp;Pinpin Chu,&nbsp;Kunli Zhang,&nbsp;Zhiyong Jiang,&nbsp;Zhibiao Bian,&nbsp;Ming Liao,&nbsp;Shao-Lun Zhai","doi":"10.1155/tbed/6222217","DOIUrl":"https://doi.org/10.1155/tbed/6222217","url":null,"abstract":"<p>As the only member of the genus <i>Senecavirus</i> within the family <i>Picornaviridae</i>, Senecavirus A (SVA) has posed an enormous challenge for the pig industry worldwide. In our previous study, a SVA strain was isolated from a buffalo with mouth ulcers. To systematically assess its pathogenicity, this study compared the outcome of piglets and buffaloes artificially infected by the different viral dose of the buffalo-origin SVA strain (SVA/GD/China/2018). These results indicated that vesicular diseases can occur in infected piglets and buffaloes. Severe clinical symptoms were observed in the piglets and buffaloes with the inoculation of 10<sup>5.0</sup> 50% tissue culture infective dose (TCID<sub>50</sub>/mL). The SVA antigen expression was also detected in the lung tissue, chin blister lesion tissue, nasolabial tissue of the piglets, and the upper lip blister tissue of the buffaloes. This study demonstrated that the buffalo-origin SVA strain was pathogenic to piglets and buffaloes, revealing the possibility of cross-species transmission of SVA between pigs and buffaloes. In the future, it is necessary to strengthen the surveillance of SVA in cattle herds.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/6222217","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144927108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Development of Live Vaccine Candidates for Canine Influenza H3N2 Using Naturally Truncated NS1 Gene” “利用自然截断的NS1基因研制犬流感H3N2候选活疫苗”的勘误表
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-09-02 DOI: 10.1155/tbed/9796375
{"title":"Corrigendum to “Development of Live Vaccine Candidates for Canine Influenza H3N2 Using Naturally Truncated NS1 Gene”","authors":"","doi":"10.1155/tbed/9796375","DOIUrl":"https://doi.org/10.1155/tbed/9796375","url":null,"abstract":"<p>J. Hwang, S-W. Yoon, E. Ga, et al., “Development of Live Vaccine Candidates for Canine Influenza H3N2 Using Naturally Truncated NS1 Gene,” <i>Transboundary and Emerging Diseases</i> 2024, no. 1 (2024): 1–16, https://doi.org/10.1155/2024/4335836.</p><p>In the article titled “Development of Live Vaccine Candidates for Canine Influenza H3N2 Using Naturally Truncated NS1 Gene,” some funding information was missed from the Acknowledgments section.</p><p>The corrected section appears below:</p><p><b>Acknowledgments</b></p><p>This study was financially supported by the Chonnam National University (Grant 2020-2073) and the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MEST) (Grants NRF-2020R1C1C1008347 and NRF-2021M3E5E3083401).</p><p>We apologize for this error.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/9796375","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144929778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Knowledge, Perception, and Practices Concerning African Swine Fever in Smallholder Pig Value Chain in North Central Nigeria: Implications for Adaptation of Prevention and Control 尼日利亚中北部小农养猪价值链中有关非洲猪瘟的知识、认知和实践:对预防和控制适应的影响
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-08-28 DOI: 10.1155/tbed/5582374
Victoria Isioma Ifende, Rebecca Weka, Vincent B. Muwanika, Matthew Y. Gukut, Pam D. Luka, Charles Masembe, Erika Chenais
{"title":"Knowledge, Perception, and Practices Concerning African Swine Fever in Smallholder Pig Value Chain in North Central Nigeria: Implications for Adaptation of Prevention and Control","authors":"Victoria Isioma Ifende,&nbsp;Rebecca Weka,&nbsp;Vincent B. Muwanika,&nbsp;Matthew Y. Gukut,&nbsp;Pam D. Luka,&nbsp;Charles Masembe,&nbsp;Erika Chenais","doi":"10.1155/tbed/5582374","DOIUrl":"https://doi.org/10.1155/tbed/5582374","url":null,"abstract":"<p>African swine fever (ASF) is a devastating disease of pigs that is endemic in Nigeria. Smallholder farmers have been implicated in driving disease spread, yet little is known about their perceptions about the disease and the role they play in the local epidemiology. Additionally, it remains inadequately documented how other smallholder pig value chain actors perceive and influence ASF spread. This study investigated the perceptions and practices of smallholder pig value chain actors concerning ASF by conducting 62 focus group discussions (FGDs) consisting of 516 participants. Participants included pig farmers and other value chain actors in separate interviews, purposively selected from pig-producing communities with previous laboratory confirmation of ASF. Participatory epidemiology (PE) tools were used to investigate perceptions of clinical signs, transmission routes, occurrence, and control, as well as practices relating to ASF. The most frequently reported clinical signs of ASF were inappetence and red skin/spots. Most frequently mentioned routes of spread were air and farm visits. Most of the other value chain actors, apart from farmers, believed that they had a responsibility for controlling ASF. Seasonal calendars from both participant categories indicated that peak occurrence of outbreaks coincided with the rainy season, when the animals are confined. Practices reported by both categories included sale of sick pigs and improper disposal of dead pigs and slaughter remains, which could facilitate ASF spread. Both participant categories showed limited knowledge of disease control. Our findings provide insights about the local epidemiology of ASF in the smallholder pig value chain in Nigeria, indicating the role of indirect transmission of ASF. The reported temporal patterns and the potential role of butchers and traders in ASF spread further show the importance of investigating the local disease context in different settings to be able to provide relevant advice for mitigation strategies.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/5582374","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Testing a Susceptible Population Density Among Other Explanatory Factors of African Swine Fever Spread in Wild Boar Using the Russian Federation Data, 2007–2023 利用2007-2023年俄罗斯联邦数据检测非洲猪瘟在野猪中传播的易感种群密度和其他解释因素
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-08-28 DOI: 10.1155/tbed/6569042
O. I. Zakharova, E. A. Liskova, N. A. Gladkova, I. V. Razheva, I. V. Iashin, A. A. Blokhin, D. V. Kolbasov, F. I. Korennoy
{"title":"Testing a Susceptible Population Density Among Other Explanatory Factors of African Swine Fever Spread in Wild Boar Using the Russian Federation Data, 2007–2023","authors":"O. I. Zakharova,&nbsp;E. A. Liskova,&nbsp;N. A. Gladkova,&nbsp;I. V. Razheva,&nbsp;I. V. Iashin,&nbsp;A. A. Blokhin,&nbsp;D. V. Kolbasov,&nbsp;F. I. Korennoy","doi":"10.1155/tbed/6569042","DOIUrl":"https://doi.org/10.1155/tbed/6569042","url":null,"abstract":"<p>This study aims to identify the role of various natural, socioeconomic, and demographic factors in the development of the African swine fever (ASF) epizootic among wild boar in the Russian Federation (RF) from 2007 to 2023. In this study, particular emphasis was placed on testing the significance of wild boar population density as a key factor contributing to the spread of ASF within this population. During the study period, 1711 outbreaks in wild boars were reported in the RF, accounting for 41.7% of all ASF outbreaks in the country. We tested two regression approaches to model the dependance of the total number of ASF outbreaks in second-level municipal units (districts) on a range of potential explanatory factors, including the dynamically changing annual population density of wild boar. We employed negative binomial regression (NBR) and, as an alternative approach, classification and regression trees (CARTs). The predictive capabilities of both models were evaluated using 10-fold cross-validation. One of the most significant identified factors was the number of ASF outbreaks in domestic populations, which may indicate a close coexistence of both domestic and wild ASF cycles. Population density showed limited significance in the negative binomial model (<i>p</i> = 0.05). The CART model demonstrated high significance for this factor in the Far Eastern regions of the country, where the highest number of outbreaks occurred at density values above 0.120 individuals/km<sup>2</sup>. For the European part of the RF, the threshold density value was 0.026 individuals/km<sup>2</sup>, which closely corresponds to the threshold established by country’s authorities for managing wild boar populations to prevent the spread of ASF. The results demonstrated a complex and nonlinear influence of wild boar population density and ASF outbreaks among domestic pigs on the likelihood of new infection foci emerging in the wild fauna. The modeling results indicated that although both types of models had comparable predictive capabilities, the CART approach provided better visualization and understanding of the analysis results. These findings can be used to optimize population management activities to regulate wild boar numbers in infection hotspots across different geographical areas delineated by the risk level of infection spread.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/6569042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144910497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From Catastrophe to Hope: Hunters’ Experiences in the Eradication of Sweden’s First African Swine Fever Outbreak 从灾难到希望:猎人在根除瑞典第一次非洲猪瘟爆发中的经验
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-08-27 DOI: 10.1155/tbed/6407552
Hedvig Gröndal, Hedvig Stenberg, Karl Ståhl, Susanna Sternberg Lewerin, Erika Chenais
{"title":"From Catastrophe to Hope: Hunters’ Experiences in the Eradication of Sweden’s First African Swine Fever Outbreak","authors":"Hedvig Gröndal,&nbsp;Hedvig Stenberg,&nbsp;Karl Ståhl,&nbsp;Susanna Sternberg Lewerin,&nbsp;Erika Chenais","doi":"10.1155/tbed/6407552","DOIUrl":"https://doi.org/10.1155/tbed/6407552","url":null,"abstract":"<p>In September 2023, Sweden experienced its first ever outbreak of African swine fever (ASF). One year later, in September 2024, Sweden was declared free from ASF. One of the first actions taken toward control and eradication was an intensive search for wild boar carcasses. This was mostly carried out by local hunters. After some time, a core area of infection was fenced in, and all remaining wild boar in that area were culled. Local hunters also performed the culling. This paper presents results from a qualitative study, drawing on focus group discussions (FGDs) with the hunters involved in identifying and managing the ASF outbreak. The aim of the study was to take a transdisciplinary approach in exploring the experiences of the hunters, specifically focusing on their motivation for engaging in the outbreak management. The interviews were analyzed using thematic analysis. The study gives important insights that can be utilized in case of future outbreaks among wildlife: engaging the hunters appears to be facilitated by their local connectivity, involving commitment to the hunting grounds and to their local society. In addition, local knowledge about the land and wildlife seems to have facilitated effective carcass searching and culling. It is, therefore, of importance for authorities to establish relationships with local hunters and to acknowledge the hunters’ pivotal position in managing an outbreak. Our study shows that it is essential for the hunters to feel that they are not governed in detail, but that they have some flexibility to take decisions based on their specific local knowledge. Further, our results show that it is important to acknowledge the social aspects of searching and culling work in order to engage hunters. These kinds of social activities is a prerequisite for effective management.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/6407552","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
African Swine Fever Perception, Risk Factors, and Socioeconomic Disparities Among Smallholder Domestic Pig Farmers in Serengeti, Tanzania 坦桑尼亚塞伦盖蒂地区小农户的非洲猪瘟认知、风险因素和社会经济差异
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-08-27 DOI: 10.1155/tbed/3922067
Clara Yona, Mariam R. Makange, Eva Moshiro, Jean N. Hakizimana, Zakile A. Mfumbilwa, Abel S. Lupala, Augustino A. Chengula, Gerald Misinzo
{"title":"African Swine Fever Perception, Risk Factors, and Socioeconomic Disparities Among Smallholder Domestic Pig Farmers in Serengeti, Tanzania","authors":"Clara Yona,&nbsp;Mariam R. Makange,&nbsp;Eva Moshiro,&nbsp;Jean N. Hakizimana,&nbsp;Zakile A. Mfumbilwa,&nbsp;Abel S. Lupala,&nbsp;Augustino A. Chengula,&nbsp;Gerald Misinzo","doi":"10.1155/tbed/3922067","DOIUrl":"https://doi.org/10.1155/tbed/3922067","url":null,"abstract":"<p>African swine fever (ASF) is a hemorrhagic disease of domestic pigs and wild boars. The ASF virus (ASFV), a sole member of the family Asfarviridae and genus <i>Asfivirus</i>, causes this devastating disease. In sub-Saharan Africa, ASFV is maintained through three interlinked cycles: the domestic cycle, the pig-tick cycle, and the sylvatic cycle, which collectively sustain its endemic presence in the region. Interaction between wild and domestic pigs at livestock–wildlife interfaces, particularly in protected areas, poses a significant threat to smallholder farmers. This study aimed to investigate the socioeconomic impact and identify potential risk factors associated with ASF in Serengeti National Park’s (SNP’s) wildlife management area (WMA) in Tanzania. A cross-sectional study involving 110 domestic pig-keeping households in the five villages of SNP’s WMA was carried out. A semistructured questionnaire was used to collect data on risk factors and socioeconomic impact associated with ASF from consenting smallholder farmers. Additionally, the observational approach was used to assess pig production’s facilities, behaviors and practices involved in domestic pig production and management. Tissue samples including spleen, lymph nodes, and kidney were also collected from dead domestic pigs belonging to two villages, Nattambiso and Robanda, to confirm the existence of the virus in the study area by using polymerase chain reaction (PCR). Descriptive statistics, univariable, and multivariable logistic analyses were performed to determine risk factors associated with ASF occurrence between October 2021 and April 2022 in the study area. A total of 12 ASF outbreaks affecting 1198 cases that led to 969 domestic pig deaths were reported. The ASFV was confirmed to be positive in all domestic pigs from which tissue samples were collected in the included villages. The case fatality rates (CFRs) from the reported previous ASF incidence varied from 77.5% to 85.2% with an overall CFR of 80.8%. A sum of 163,300,000 Tanzanian Shillings (approximately equivalent to 70,085 USD) loss was recorded in the studied WMA. The major risk factors that correlated with ASF occurrence were encountered ASF previously (odds ratio [OR] = 13.58, 95% confidence interval [CI] = 2.79–87.28), selling pig products with ASF before (OR = 9.43, CI = 1.76–70.02), whilst taking no risk action to prevent loss (OR = 0.14, CI = 0.03–0.63) and swill treatment (OR = 0.10, CI = 0.01–0.54) negatively correlated with ASF. Improving awareness on farm-level biosecurity, husbandry, and management practices is vital to preventing ASF outbreaks and wildlife spillover, safeguarding livestock health, and promoting economic stability in wildlife–livestock–human interfaces.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/3922067","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pet and Stray Dogs’ Contribution to Zoonotic Transmission Pathways: A Bibliometric Review 宠物和流浪狗对人畜共患病传播途径的贡献:文献计量学回顾
IF 3 2区 农林科学
Transboundary and Emerging Diseases Pub Date : 2025-08-25 DOI: 10.1155/tbed/5522451
Thibaut Langlois, Sylvie Hurtrez-Boussès, Michel de Garine-Wichatitsky
{"title":"Pet and Stray Dogs’ Contribution to Zoonotic Transmission Pathways: A Bibliometric Review","authors":"Thibaut Langlois,&nbsp;Sylvie Hurtrez-Boussès,&nbsp;Michel de Garine-Wichatitsky","doi":"10.1155/tbed/5522451","DOIUrl":"https://doi.org/10.1155/tbed/5522451","url":null,"abstract":"<p>Based on a large-scale bibliometric dataset, domestic dogs (<i>Canis lupus familiaris</i>) emerge as the most frequently cited host species in the context of zoonoses, being mentioned in at least 10% of publications for nearly a quarter of the pathogens recognized as zoonotic to humans. This review examines the contributions of pet and stray dogs to various zoonotic transmission pathways, highlighting some mismatches between research focus and actual epidemiological risks. Among zoonotic agents associated with dogs, helminths are disproportionately represented in the literature compared to bacteria and viruses. Pet and stray dogs exhibit distinct zoonotic risks due to differences in exposure patterns and human interactions. Stray dogs are frequently involved in environmentally transmitted diseases, particularly soil- and water-borne parasites, due to uncontrolled defecation and opportunistic behavior. Conversely, pet dogs pose greater risks for direct transmission, particularly via bites, close contact infections, and antimicrobial-resistant bacteria. From a public health perspective, integrating dogs into One Health surveillance frameworks is crucial. Routine genomic monitoring of stray dogs could allow early detection of emerging zoonoses, while large-scale deworming programs, improved sanitation infrastructures, and responsible pet management would mitigate both environmental and direct transmission risks. Vector-borne zoonoses require differentiated control measures, including antiparasitic treatments for tick- and flea-borne infections and environmental interventions for mosquito- and sandfly-borne pathogens. This review focuses on pet and stray dogs only, due to the lack of consistent definitions and data availability for other canine categories. Future research should refine ecological and behavioral studies and dog–host interaction analyses to better quantify the zoonotic risks associated with each dog ecotype and guide targeted intervention strategies. This approach enables a more precise zoonotic risk stratification and contributes to effective disease prevention at the human–animal–environment interface.</p>","PeriodicalId":234,"journal":{"name":"Transboundary and Emerging Diseases","volume":"2025 1","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/tbed/5522451","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144897219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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