European Journal of Wildlife Research最新文献

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Molecular detection of herpesvirus in a skin lesion of a humpback whale (Megaptera novaeangliae) from the Western Mediterranean Sea 西地中海座头鲸(Megaptera novaeangliae)皮肤损伤中疱疹病毒的分子检测
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-09 DOI: 10.1007/s10344-024-01782-7
Ignacio Vargas-Castro, José Luis Crespo-Picazo, Mª Ángeles Jiménez Martínez, Marta Muñoz-Baquero, Vicente Marco-Cabedo, Daniel García-Párraga, José Manuel Sánchez-Vizcaíno
{"title":"Molecular detection of herpesvirus in a skin lesion of a humpback whale (Megaptera novaeangliae) from the Western Mediterranean Sea","authors":"Ignacio Vargas-Castro, José Luis Crespo-Picazo, Mª Ángeles Jiménez Martínez, Marta Muñoz-Baquero, Vicente Marco-Cabedo, Daniel García-Párraga, José Manuel Sánchez-Vizcaíno","doi":"10.1007/s10344-024-01782-7","DOIUrl":"https://doi.org/10.1007/s10344-024-01782-7","url":null,"abstract":"<p>Herpesvirus has the potential to infect a wide variety of animal species. In cetaceans, <i>Alpha</i>- and/or <i>Gammaherpesvirinae</i> have been identified in eight families of odontocetes, and one family of mysticetes. In May 2022, an adult humpback whale (<i>Megaptera novaeangliae</i>) was found stranded in Valencia, Spain. The whale was emaciated, in poor body condition, with multiple lacerations on the dorsal fin and a high number of epibionts of the Cyamidae family, known as whale lice. The individual had been previously released from a ghost net entanglement 5 days before becoming stranded. In a closer examination, various skin lesions were observed, including chronic, proliferative, and erosive dermatitis and a large ulcer extending to the deep dermis. As part of the infectious disease surveillance programme, molecular testing was performed on skin samples for herpesvirus, cetacean morbillivirus, and poxvirus. A positive result for herpesvirus was obtained from one of the skin lesions. The sequence was found to belong to the <i>Alphaherpesvirinae</i> subfamily, and it was closely related to alphaherpesvirus sequences from a fin whale (<i>Balaenoptera physalus</i>) and a humpback whale. Cetacean morbillivirus and poxvirus testing was negative. To the authors’ knowledge, this is the first report of herpesvirus in a humpback whale from the Mediterranean Sea. Reports on herpesvirus detection or infection in humpback whales (only species within the genus <i>Megaptera</i>) are scarce. In consequence, future virological assessments of humpback whales should include testing for herpesvirus.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"134 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140072910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wintering raptor species distribution in a semiarid Mediterranean region: the relevance of lowlands and open habitats as stopover sites 地中海半干旱地区越冬猛禽物种分布:低地和开阔栖息地作为中途停留地的相关性
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-08 DOI: 10.1007/s10344-024-01784-5
Mario Álvarez, Mario León-Ortega, José E. Martínez, José F. Calvo, María V. Jiménez-Franco
{"title":"Wintering raptor species distribution in a semiarid Mediterranean region: the relevance of lowlands and open habitats as stopover sites","authors":"Mario Álvarez, Mario León-Ortega, José E. Martínez, José F. Calvo, María V. Jiménez-Franco","doi":"10.1007/s10344-024-01784-5","DOIUrl":"https://doi.org/10.1007/s10344-024-01784-5","url":null,"abstract":"<p>As land-use cover types affect wintering birds’ strategies, studying their habitat suitability for species conservation is relevant. Predictive spatial models are considered excellent tools for conservation planning and improving our understanding of species distribution. Here we build models to predict the spatial distribution of raptor species that overwinter in SE Spain. We modelled the wintering raptor species distribution based on the presence-only data obtained between 2017 and 2019 and analysed their habitat preferences based on elevation and land-use cover variables. Our results show that altitude and distance to the coastline are the most important environmental factors to affect most species’ habitat suitability. Habitat type-related factors are other important predictors, and raptors subject of this study prefer lowlands and areas close to the coastline for overwintering by selecting open habitats, which include wetlands and irrigated and rainfed crops. This study highlights the importance of the habitat heterogeneity generated by wetlands and herbaceous crops within a low-altitude range as the optimal environment for wintering raptors. Such information should be considered for raptor conservation planning in human-altered landscapes.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"35 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140072765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Can Suttonella ornithocola entail a potential hazard to songbirds? A systematic review Suttonella ornithocola 会对鸣禽造成潜在危害吗?系统回顾
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-08 DOI: 10.1007/s10344-024-01785-4
Bárbara Martín-Maldonado, Fernando Esperón
{"title":"Can Suttonella ornithocola entail a potential hazard to songbirds? A systematic review","authors":"Bárbara Martín-Maldonado, Fernando Esperón","doi":"10.1007/s10344-024-01785-4","DOIUrl":"https://doi.org/10.1007/s10344-024-01785-4","url":null,"abstract":"<p>Passeriformes populations have experienced a marked decline in number during the last decades. Several infectious agents have been described as key factors for this population’s decrease, as they can cause mortal diseases like the recently reported <i>Suttonella ornithocola</i>. <i>S. ornithocola</i> is a bacterium from the Cardiobacteriaceae family that has been linked to several outbreaks. This systematic review aims to collect all the scientific information available about <i>S. ornithocola</i> to better understand its epidemiology and pathogenesis and to assess the potential hazard that it can pose to garden songbirds. Although it has been considered a respiratory pathogen, <i>S. ornithocola</i> has been isolated from several organs, suggesting a systemic pathogenesis. However, it has also been described as a normal taxon from the microbiota of some bird species. Therefore, further studies in healthy birds are necessary to establish if <i>S. ornithocola</i> is a primary pathogen or an opportunistic bacterium in songbirds.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"134 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140072763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Density and abundance estimation of unmarked ungulates using camera traps in the Mudumu National Park, Namibia 在纳米比亚穆杜穆国家公园使用相机诱捕器估算无标识有蹄类动物的密度和数量
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-07 DOI: 10.1007/s10344-024-01783-6
LineekelaOmwene T. Nauyoma, Camille H. Warbington, Fernanda C. Azevedo, Frederico G. Lemos, Fernando Sequeira, Ezequiel C. Fabiano
{"title":"Density and abundance estimation of unmarked ungulates using camera traps in the Mudumu National Park, Namibia","authors":"LineekelaOmwene T. Nauyoma, Camille H. Warbington, Fernanda C. Azevedo, Frederico G. Lemos, Fernando Sequeira, Ezequiel C. Fabiano","doi":"10.1007/s10344-024-01783-6","DOIUrl":"https://doi.org/10.1007/s10344-024-01783-6","url":null,"abstract":"<p>Density and abundance estimates are critical to effective wildlife management and are essential for monitoring population trends and setting effective quotas for harvesting. Management of roan (<i>Hippotragus equinus</i>) and sable (<i>H. niger</i>) antelopes in Mudumu National Park (MNP), Namibia, is challenging because they are elusive, naturally unmarked, and believed to occur at low densities. The species are threatened by habitat fragmentation, human population growth, and illegal hunting, and reliable density and abundance estimates have not been quantified, hampering management and conservation plans. Our objective was to estimate roan and sable densities and abundances using the time in front of the camera model (TIFC) and the Poisson-binomial N-mixture model (PB), respectively. We also evaluated the effects of environmental and ecological variables on roan and sable abundance. We used data from two camera trap surveys conducted between March and September 2021 in the MNP. Results showed that the TIFC model provided low-density estimates of 1.62 (95% CI 1.61–1.64) roans/km<sup>2</sup> and 2.46 (95% CI 2.42–2.50) sables/km<sup>2</sup>, consistent with trends reported in Africa where these species occur at low densities. In addition, the total abundance of roans and sables in the MNP from the PB model were 57 and 242, respectively. Higher roan abundance occurred in sites with higher grass cover. This study provides the first accurate camera trap-derived density and abundance estimates for roan and sable in the MNP, which will be critical for developing comprehensive conservation programs and strategies that are likely to reduce the risk of extinction for both species.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"54 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140056559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Population dynamics of the Multimammate rat (Mastomys natalensis) and Makundi’s brush fur rat (Lophuromys makundii) and their implications in disease persistence in Mbulu District, Tanzania 坦桑尼亚姆布卢地区多毛鼠(Mastomys natalensis)和马昆迪刷毛鼠(Lophuromys makundii)的种群动态及其对疾病持续存在的影响
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-06 DOI: 10.1007/s10344-024-01773-8
Stella T. Kessy, Christopher Sabuni, Apia W. Massawe, Rhodes Makundi, Alfan A. Rija
{"title":"Population dynamics of the Multimammate rat (Mastomys natalensis) and Makundi’s brush fur rat (Lophuromys makundii) and their implications in disease persistence in Mbulu District, Tanzania","authors":"Stella T. Kessy, Christopher Sabuni, Apia W. Massawe, Rhodes Makundi, Alfan A. Rija","doi":"10.1007/s10344-024-01773-8","DOIUrl":"https://doi.org/10.1007/s10344-024-01773-8","url":null,"abstract":"<p>Understanding host population dynamics in connection to disease persistence is important for determining the epizootic risks present in plague foci. We used a capture-mark-recapture method to investigate the population dynamics of <i>Mastomys natalensis</i> and <i>Lophuromys makundii</i> in an active plague focus, in Mbulu District, Tanzania. We hypothesized higher abundance in plague-persistent locality and between habits and seasons. We found distinct patterns of abundance in <i>M. natalensis</i> between farm and forest habitats. The abundance was significantly higher in farms in plague persistent than non-plague persistent areas. The dry season showed a significant increase of abundance compared to the long rain season and the short rain season. A significant increase in breeding females was observed in farms in plague persistent than non-plague persistent localities while farms showed a significant decrease compared to forests. Dry season was associated with an increase in breeding females compared to the long rain season and the short rain season. Furthermore, the abundance of <i>L. makundii</i> showed a significant increase in forest in plague persistent than non-plague persistent localities. The abundance increased significantly during the dry season and long rain season compared to the short rain season. The proportion of breeding females was significantly higher in forests in plague persistent than non-plague persistent localities. The breeding females significantly increased during the dry and the short rain season than the long rain season. These findings contribute to our understanding of the ecological factors shaping the population dynamics of these species and their potential roles in plague persistence.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"48 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140047203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Habitat suitability and connectivity modelling predict a latitudinal-driven expansion in the Mediterranean basin for a historically introduced reptile 栖息地适宜性和连通性建模预测了一种历史上引进的爬行动物在地中海盆地的纬度扩张
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-06 DOI: 10.1007/s10344-024-01780-9
{"title":"Habitat suitability and connectivity modelling predict a latitudinal-driven expansion in the Mediterranean basin for a historically introduced reptile","authors":"","doi":"10.1007/s10344-024-01780-9","DOIUrl":"https://doi.org/10.1007/s10344-024-01780-9","url":null,"abstract":"<h3>Abstract</h3> <p>Species introductions outside their native ranges, often driven by trade and other anthropogenic activities, present significant ecological challenges. Reptiles, frequently traded as pets for their attractiveness, are particularly susceptible to such introductions, leading to shifts in distribution patterns and potential ecological impacts. The common chameleon (<em>Chamaeleo chamaeleon</em>), which has been historically introduced in several European countries, is such an example, yet no overall assessments are available to date for this species. In this study, we used ecological niche models to assess habitat suitability for the common chameleon in the Mediterranean basin for current and future scenarios. Concurrently, circuit theory techniques were employed to evaluate habitat connectivity in two historically introduced areas. We identified areas of high habitat suitability and dispersal corridors in introduced regions. Our results reveal a latitudinal gradient in habitat suitability changes, with the species facing both expansion and decline in different parts of its range, depending on the ecozone considered. Severe declines are noted in southeastern Spain, Tunisia, and Israel, while habitat suitability increases westwards in Portugal, Morocco, and Southern Italy. These insights contribute to a better understanding of the common chameleon’s ecological dynamics, providing a foundation for targeted management and conservation efforts. Our study highlights the importance of integrating ecological niche modelling and circuit theory techniques to predict habitat suitability and identify critical dispersal corridors for effective conservation strategies. Considering the ongoing challenges posed by human-mediated dispersals for the common chameleon, our research establishes a foundation for future studies to enhance our understanding of this elusive species.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"16 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140047213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Big Four reign in eutrophic lake reedbeds: predation on artificial waterbird nests 四巨头统治富营养化湖泊芦苇丛:捕食人工水鸟巢穴
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-05 DOI: 10.1007/s10344-024-01774-7
Marcin Brzeziński, Tom A. Diserens, Andrzej Zalewski
{"title":"The Big Four reign in eutrophic lake reedbeds: predation on artificial waterbird nests","authors":"Marcin Brzeziński, Tom A. Diserens, Andrzej Zalewski","doi":"10.1007/s10344-024-01774-7","DOIUrl":"https://doi.org/10.1007/s10344-024-01774-7","url":null,"abstract":"<p>Nest predation is one of the main factors shaping waterbird abundances, but the impact of different predator species varies considerably between habitats and sites. To identify nest predators and evaluate their spatio-temporal impact on waterbird broods, we carried out a study with artificial nests and camera traps placed in the reedbeds of two eutrophic lakes in northeastern Poland. We also analyzed the importance of two factors for nest survival—water depth at nest site and egg concealment. Artificial nest survival was very low, with only about 8% of the nests surviving more than 10 days. Among the four most frequently recorded nest predators that comprised 95% of all predators filmed, the raccoon dog <i>Nyctereutes procyonoides</i> dominated (51.7% of records), followed by the marsh harrier <i>Circus aeruginosus</i> (24.5%), hooded crow <i>Corvus cornix</i> (12.2%), and American mink <i>Neogale vison</i> (11.6%). The predation rate of the raccoon dog significantly increased over time, being highest in July, and was opposite to that of the marsh harrier, whose nest predation was highest in April and declined over the next months, while the predation rates of the hooded crow and mink were stable. The concealing of eggs did not significantly decrease the probability of depredating nests. Water depth also did not significantly affect nest survival, and only the raccoon dog’s predation rate was negatively related to water depth. Birds depredated nests during the day and mammals both during the day and night; however, activity patterns of four main predators highly overlapped.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"268 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140037931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Occurrence and relevance of Mycoplasma sturni in free ranging barn swallows (Hirundo rustica) in Germany 德国散养谷仓燕(Hirundo rustica)中的支原体(Mycoplasma sturni)的出现及其相关性
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-05 DOI: 10.1007/s10344-024-01775-6
{"title":"Occurrence and relevance of Mycoplasma sturni in free ranging barn swallows (Hirundo rustica) in Germany","authors":"","doi":"10.1007/s10344-024-01775-6","DOIUrl":"https://doi.org/10.1007/s10344-024-01775-6","url":null,"abstract":"<h3>Abstract</h3> <p>In poultry industry, mycoplasmas cause large economic losses. The pathogenic significance of mycoplasmas varies widely between species. In birds where vocalization is crucial for reproductive success, mycoplasmas seem to be absent. Birds with high mycoplasma prevalence like birds of prey and storks do not rely on their vocalization for reproduction. Corvids with an intermediate prevalence use other strategies besides vocalization for mating. It is hypothesized that mycoplasma prevalence and vocalization used for reproduction is evolutionary related. Barn swallows have two traits relevant for mating: tail feather length and vocalization. An intermediate prevalence is expected. Little is known about mycoplasmas in barn swallows and their role as vector or reservoir for poultry pathogenic mycoplasmas. This study investigates the prevalence of mycoplasmas in barn swallows and their relevance for mycoplasma transmission to poultry. Choanal swabs from 188 healthy barn swallow nestlings of 59 different nests from ten different colonies on farms were examined for mycoplasmas by cultivation and genus-specific PCR including molecular biological differentiation of the species. In total, in 31 of 188 barn swallows (16.49%) and in 14 of the 59 nests (23.73%), mycoplasmas were detected. The occurrence of mycoplasmas per colony ranged from 0 to 50% independent of poultry being kept on the farm. In all positive samples, <em>Mycoplasma sturni</em> was identified. <em>Mycoplasma sturni</em> seems not to be an obligatory pathogen for barn swallows and occurs with an expected intermediate prevalence in them, so the results support the described hypothesis and underline a minor role of barn swallows for mycoplasma infection in poultry.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"2 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140037856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-invasive monitoring of the European wildcat in a recently colonized area in the Northern Apennines (Italy) 在北亚平宁山脉(意大利)一个新近殖民的地区对欧洲野猫进行非侵入式监测
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-02 DOI: 10.1007/s10344-024-01777-4
Laura Viviani, Francesco Nonnis Marzano, Federica Mattucci, Andrea Sforzi
{"title":"Non-invasive monitoring of the European wildcat in a recently colonized area in the Northern Apennines (Italy)","authors":"Laura Viviani, Francesco Nonnis Marzano, Federica Mattucci, Andrea Sforzi","doi":"10.1007/s10344-024-01777-4","DOIUrl":"https://doi.org/10.1007/s10344-024-01777-4","url":null,"abstract":"<p>Acquiring up-to-date information on the distribution of a species is an issue of paramount importance to set up proper conservation strategies and to assess its conservation status over time. The European wildcat has recently expanded its distribution in different parts of its range in Italy, including the Northern Apennines area. The current study represents the first wildcat systematic monitoring in the central part of Northern Apennines. Non-invasive genetic sampling—based both on valerian and catnip lures—was applied, integrated with camera trapping within two Regional Parks. This approach is needed in order to obtain hair samples to be genetically analyzed, since cross-breeding with domestic cats can make wildcat identification based only on coat characteristics misleading. Videos obtained from camera traps allowed the identification of several individuals (image capture rate of 1.04/100 trap-nights), including at least one female. Hair samples were only collected in April–May using catnip as an attractant, whereas the valerian-based solution used did not yield the expected results (i.e., attracting wildcats and stimulating their rubbing behavior to allow hair collection). These results allowed for the first time the genetic confirmation of a pure wildcat in the study area. Domestic cat presence (image capture rate of 1.4/100 trap-nights) was also assessed in the same locations, posing a possible threat for wildcat conservation at the expanding margin of its distribution. Our findings confirm the effectiveness of the integration of multiple monitoring techniques for wildcat detection and highlight the need for a continued monitoring of the species, especially in newly colonized areas.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"69 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140016880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Presence of gastrointestinal and bronchopulmonary parasites in Cantabrian brown bears 坎塔布里亚棕熊体内的胃肠道和支气管肺寄生虫
IF 2 3区 生物学
European Journal of Wildlife Research Pub Date : 2024-03-02 DOI: 10.1007/s10344-024-01779-2
Susana Remesar, Claudia Busto, Pablo Díaz, Óscar Rivas, José Vicente López-Bao, Fernando Ballesteros, David García-Dios
{"title":"Presence of gastrointestinal and bronchopulmonary parasites in Cantabrian brown bears","authors":"Susana Remesar, Claudia Busto, Pablo Díaz, Óscar Rivas, José Vicente López-Bao, Fernando Ballesteros, David García-Dios","doi":"10.1007/s10344-024-01779-2","DOIUrl":"https://doi.org/10.1007/s10344-024-01779-2","url":null,"abstract":"<p>The Cantabrian brown bear (<i>Ursus arctos</i>) population is threatened although in a constant process of recovery during the last 20 years. Since data on the parasitological status of this bear is still limited, the objective of the present study was to assess the diversity and prevalence of parasites in this population. Thus, 111 bear faecal samples were collected in north-western Spain and analysed for estimating the occurrence of gastrointestinal and bronchopulmonary parasites. Samples were processed by flotation in saline and sucrose solution, sedimentation and Baermann-Wetzel techniques. In addition, a commercial immunofluorescent assay was performed for detecting <i>Giardia duodenalis</i> and <i>Cryptosporidium</i> spp. <i>Dicrocoelium dendriticum</i> was the most prevalent parasite (58.6%), followed by <i>Baylisascaris transfuga</i> (43.2%) and nematodes of the Suborder Strongylida (18.9%) and Spirurida (2.7%). Mixed infections were detected in the 41.4% of the samples. The presence of <i>D. dendriticum</i> was significantly highest in bears from the autonomous region of Castile and León as well as in those in which grass or nuts/acorns were the predominant food item. Moreover, the risk of being positive to <i>B. transfuga</i> was significantly higher during autumn–winter, and in those, faecal samples were mainly composed of fleshy fruit. Some of the parasites detected could infect other wildlife and even humans, and therefore, the risk of pathogen transmission deserves further investigation. Since the impact of endoparasites in the health status of bears is poorly understood, the establishment of a disease surveillance protocol is strongly recommended in order to assess the potential risk of these infections for bears.</p>","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"213 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140017147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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