2,075 results match your criteria prevalence foxes

Fox Serum Proteomics Analysis Suggests Host-Specific Responses to   Infection in Canids.

Pathogens 2021 Nov 19;10(11). Epub 2021 Nov 19.

Institute of Parasitology, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland.

Dogs infected with the cardiopulmonary nematode may suffer from respiratory distress and/or bleeding disorders. Descriptions of clinical signs in foxes are rare, despite high prevalence. To evaluate the impact of infection on coagulation and immune response, serum proteins from eight experimentally infected foxes before and after inoculation (day 0, 35, 84, 154) were subjected to differential proteomic analyses based on quantitative data and compared to available data from dogs. Read More

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November 2021

Zoonotic Genotypes of in Wild Living Invasive and Native Carnivores in Poland.

Pathogens 2021 Nov 13;10(11). Epub 2021 Nov 13.

Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, 51-148 Wrocław, Poland.

Wild carnivores, both introduced and native species, are able to adapt well to peri-urban environments, facilitating cross-species pathogen transmission with domestic animals, and potentially humans. The role of wild living reservoir hosts cannot be ignored because of their known carriage of zoonotic genotypes. In the past decades, populations of wild living carnivores, i. Read More

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November 2021

Evidence of Arctic Fox Survival following Exposure to Rabies Virus.

J Wildl Dis 2021 Nov 23. Epub 2021 Nov 23.

US Department of Agriculture, National Wildlife Research Center, 4101 Laporte Avenue, Fort Collins, Colorado 80521, USA.

The arctic fox variant of the rabies virus (RABV) is enzootic in the circumpolar north. Reports of abortive RABV exposures motivated a retrospective analysis of sera from 41 arctic foxes captured at Karrak Lake in Nunavut, Canada, during 2011-2015. Estimated RABV antibody prevalence among foxes was 14% (95% confidence interval, 7-28%). Read More

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November 2021

Prevalence of Echinococcus Species in Wild Foxes and Stray Dogs in Qinghai Province, China.

Am J Trop Med Hyg 2021 Nov 15. Epub 2021 Nov 15.

National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), NHC Key Laboratory of Parasite and Vector Biology, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Shanghai, China.

Echinococcosis is a zoonotic parasitic disease that is highly endemic to the Qinghai province of China. Limited data are available on the prevalence of the causal pathogen, Echinococcus spp., in definitive hosts in this region. Read More

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November 2021

Molecular detection and genotyping of Enterocytozoon bieneusi in captive foxes in Xinxiang, Central China and its impact on gut bacterial communities.

Res Vet Sci 2021 Dec 30;141:138-144. Epub 2021 Oct 30.

College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450000, China. Electronic address:

Enterocytozoon bieneusi is a common gastrointestinal parasite that has a broad range of hosts, including birds, mammals, and even humans. The changes of gut bacterial communities have been demonstrated during the course of E. bieneusi. Read More

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December 2021

Soil contamination by Echinococcus multilocularis in rural and urban vegetable gardens in relation to fox, cat and dog faecal deposits.

Parasite 2021 1;28:74. Epub 2021 Nov 1.

Epidémio-Surveillance et Circulation des Parasites dans les Environnements (ESCAPE), EA 7510, CAP SANTE, Université de Reims Champagne Ardenne, 51095 Reims Cedex, France - CERFE, Université de Reims Champagne-Ardenne, 08240 Boult-aux-Bois, France.

Echinococcus multilocularis eggs are deposited on the ground with the faeces of the carnivore definitive hosts. A reliable assessment of the spatial distribution of E. multilocularis eggs in environments used by humans is crucial for the prevention of alveolar echinococcosis (AE). Read More

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November 2021

Genetic structure of immunologically associated candidate genes suggests arctic rabies variants exert differential selection in arctic fox populations.

PLoS One 2021 29;16(10):e0258975. Epub 2021 Oct 29.

Environmental and Life Sciences Graduate Program, Trent University, Peterborough, ON, Canada.

Patterns of local adaptation can emerge in response to the selective pressures diseases exert on host populations as reflected in increased frequencies of respective, advantageous genotypes. Elucidating patterns of local adaptation enhance our understanding of mechanisms of disease spread and the capacity for species to adapt in context of rapidly changing environments such as the Arctic. Arctic rabies is a lethal disease that largely persists in northern climates and overlaps with the distribution of its natural host, arctic fox. Read More

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October 2021

Newlavirus, a Novel, Highly Prevalent, and Highly Diverse Protoparvovirus of Foxes ( spp.).

Viruses 2021 Sep 30;13(10). Epub 2021 Sep 30.

Department of Biology, Memorial, University of Newfoundland, 232 Elizabeth Ave., St. John's, NL A1B 3X9, Canada.

The genus (family ) includes several viruses of carnivores. We describe a novel fox protoparvovirus, which we named Newlavirus as it was discovered in samples from Newfoundland and Labrador, Canada. Analysis of the full non-structural protein (NS1) sequence indicates that this virus is a previously uncharacterized species. Read More

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September 2021

Livestock guarding dogs have minor effects on the parasite burden of wild carnivores.

Parasitol Res 2021 Dec 25;120(12):3993-3999. Epub 2021 Oct 25.

Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, 7800003, Santiago, CP, Chile.

Livestock guarding dogs are increasingly used to reduce carnivore-livestock conflicts, but no information is available to determine any adverse effects that these dogs may have on the health of wild carnivores. We assessed differences in prevalence, richness and severity of parasites in chilla fox (Lycalopex griseus) populations associated with livestock guarding dogs, which were routinely dewormed. We also evaluated whether the parasite assemblages of herding dogs, which were not dewormed, and chilla foxes were more similar in the presence of livestock guarding dogs. Read More

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December 2021

Angiostrongylosis in Animals and Humans in Europe.

Pathogens 2021 Sep 25;10(10). Epub 2021 Sep 25.

Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy.

Lungworms in the genus cause disease in animals and humans. The spread of within Europe and the recent establishment of increase the relevance of these species to veterinary and medical practitioners, and to researchers in parasitology, epidemiology, veterinary science and ecology. This review introduces the key members of the genus present in Europe and their impacts on health, and updates the current epidemiological situation. Read More

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September 2021

Updates on the distribution and host spectrum of Dirofilaria repens in the Republic of Uzbekistan.

Parasitol Res 2021 Dec 22;120(12):3987-3992. Epub 2021 Oct 22.

Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania.

Among the zoonotic mosquito-borne nematodes, Dirofilaria repens and Dirofilaria immitis (Spirurida, Onchocercidae) are highly significant from a public health perspective. While D. immitis is also of major veterinary concern, D. Read More

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December 2021

Red foxes harbor two genetically distinct, spatially separated Echinococcus multilocularis clusters in Brandenburg, Germany.

Parasit Vectors 2021 Oct 14;14(1):535. Epub 2021 Oct 14.

Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Epidemiology, Südufer 10, 17493, Greifswald-Insel Riems, Germany.

Background: Alveolar echinococcosis (AE) is a clinically serious zoonosis caused by the fox tapeworm Echinococcus multilocularis. We studied the diversity and the distribution of genotypes of E. multilocularis isolated from foxes in Brandenburg, Germany, and in comparison to a hunting ground in North Rhine-Westphalia. Read More

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October 2021

The current situation of Angiostrongylus vasorum in Romania: a national questionnaire-based survey.

BMC Vet Res 2021 Oct 7;17(1):323. Epub 2021 Oct 7.

Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3-5, 400372, Cluj-Napoca, Romania.

Background: Angiostrongylus vasorum (Nematoda, Metastrongyloidea) is a vascular nematode that resides in the pulmonary arteries and the right side of the heart of a wide variety of carnivores, with an indirect life cycle using coprophagic gastropods as intermediate hosts. For domestic dogs, the infection with A. vasorum can be asymptomatic, but more frequently, it is associated with a wide range of clinical manifestations like cardio-respiratory signs, bleedings, neurological signs, and ocular problems which can lead to death when not treated accordingly. Read More

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October 2021

Temporal patterns of wildlife roadkill in the UK.

PLoS One 2021 6;16(10):e0258083. Epub 2021 Oct 6.

Cardiff School of Biosciences, Cardiff University, Cardiff, United Kingdom.

Wildlife-vehicle collisions are one of the main causes of mortality for wild mammals and birds in the UK. Here, using a dataset of 54,000+ records collated by a citizen science roadkill recording scheme between 2014-2019, we analyse and present temporal patterns of wildlife roadkill of the 19 most commonly reported taxa in the UK (84% of all reported roadkill). Most taxa (13 out of 19) showed significant and consistent seasonal variations in road mortality and fitted one of two seasonal patterns; bimodal or unimodal: only three species (red fox Vulpes vulpes, European polecat Mustela putorius and Reeves' muntjac deer Muntiacus reevesi) showed no significant seasonality. Read More

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November 2021

Influence of extraordinary floods on wildlife parasites: the case of gastrointestinal helminths and protozoa of wild canids from the Iberá Ecoregion, Argentina.

Parasitol Res 2021 Nov 4;120(11):3827-3835. Epub 2021 Oct 4.

Estación Biológica Corrientes (EBCo), CECOAL, CONICET, Nuestra Señora de Lourdes 1200, 3401, San Cayetano, Corrientes, Argentina.

Parasites are natural components of ecosystems and play a significant role in the dynamics of wild animal populations. Although the environment of parasites is primarily defined by the host, most life cycles involve stages that must endure external conditions. Rainfall and flooding events are important factors that might influence the transport of parasitic stages, altering soil moisture levels, and resulting in a favorable environment for parasite survival and development. Read More

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November 2021

Epidemiology of Animal Rabies - China, 2010-2020.

China CDC Wkly 2021 Sep;3(39):815-818

Changchun Veterinary Research Institute, Chinese Academy of Agriculture Sciences, Changchun, Jilin, China.

Introduction: Rabies is a fatal zoonotic infectious disease that poses a serious threat to public health in China. Since 2005, a National Animal Rabies Surveillance System has been operating to understand the rabies situation in animals in China with a view to control and eventually eliminate dog-mediated human rabies.

Methods: From 2010, the brain tissues of dogs, livestock, and wild animals showing rabies-like clinical signs were collected and tested by the National Reference Laboratory (NRL) for Animal Rabies to analyze the epidemiological characteristics of rabies, including animal species, geographic distribution, and transmission sources. Read More

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September 2021

Host and geographic differences in prevalence and diversity of gastrointestinal helminths of foxes (), coyotes () and wolves () in Québec, Canada.

Int J Parasitol Parasites Wildl 2021 Dec 8;16:126-137. Epub 2021 Sep 8.

University of Saskatchewan, Department of Veterinary Microbiology, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada.

Wild canids are hosts to a wide range of parasites and can play a role in transmission of zoonoses. As many parasites are transmitted through food webs, and wild canids are at high trophic levels, parasite prevalence and diversity in wild canids can serve as excellent indicators of ecosystem health. Our main objectives were to update knowledge on the composition of gastrointestinal helminths in wild canids from Québec, Canada, and to describe differences in parasite prevalence and diversity among canid species and regions. Read More

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December 2021

Intestinal helminth infections in the golden jackal (Canis aureus L.) from Vojvodina: Hotspot area of multilocular echinococcosis in Serbia.

Acta Vet Hung 2021 09 6;69(3):274-281. Epub 2021 Sep 6.

3 Department of Biology and Ecology, Faculty of Science, University of Novi Sad, Novi Sad, Serbia.

In the present study, 64 golden jackals were examined for intestinal helminths in three regions of Vojvodina, Serbia. Among the examined jackals 57.8% were infected with at least one parasite species. Read More

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September 2021

An Hepatozoon americanum-like protozoan in crab-eating (Cerdocyon thous) and grey pampean (Lycalopex gymnocercus) foxes from Uruguay.

Parasitol Res 2021 Oct 4;120(10):3587-3593. Epub 2021 Sep 4.

Laboratorio de Vectores Y Enfermedades Transmitidas, Departamento de Ciencias Biológicas, CENUR Litoral Norte, Universidad de La República, Rivera 1350, CP 50000, Salto, Uruguay.

In South America, apicomplexan parasites of the genus Hepatozoon have been sporadically detected in mammals. Previous studies in wild canids from Brazil and Argentina demonstrated infections by species genetically related to Hepatozoon americanum. The aim of the present work was to detect the presence of Hepatozoon in road-killed foxes encountered in Uruguayan highways. Read More

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October 2021

Interaction Patterns between Wildlife and Cattle Reveal Opportunities for Mycobacteria Transmission in Farms from North-Eastern Atlantic Iberian Peninsula.

Animals (Basel) 2021 Aug 10;11(8). Epub 2021 Aug 10.

Animal Health Department, NEIKER-Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Parque Científico y Tecnológico de Bizkaia, P812, E-48160 Derio, Spain.

Interactions taking place between sympatric wildlife and livestock may contribute to interspecies transmission of the complex or non-tuberculous mycobacteria, leading to the spread of relevant mycobacterioses or to interferences with the diagnosis of tuberculosis. The aim of this study was to characterize the spatiotemporal patterns of interactions between wildlife and cattle in a low bovine tuberculosis prevalence Atlantic region. Camera traps were set during a one-year period in cattle farms with a history of tuberculosis and/or non-tuberculous mycobacterioses. Read More

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Global prevalence of Mesocestoides infections in animals - A systematic review and meta-analysis.

Vet Parasitol 2021 Oct 31;298:109537. Epub 2021 Jul 31.

Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, United States.

Mesocestoides spp. are zoonotic cestodes found as adults in carnivorous domestic and wild definitive hosts and as metacestodes in several taxa of intermediate hosts. Although several regional studies record its occurrence in different host populations, the global prevalence and patterns of occurrence of Mesocestoides spp. Read More

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October 2021

Survey of Zoonotic Bacterial Pathogens in Native Foxes in Central Chile: First Record of Exposure.

Animals (Basel) 2021 Jul 2;11(7). Epub 2021 Jul 2.

Departamento de Fomento de la Producción Animal, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santiago 8820808, Chile.

 , , and pathogenic are zoonotic pathogens that infect humans, as well as domestic and wild animals. In wild canids, they may affect their fertility and reproduction, threatening their conservation. Wild canids play a crucial role in the environment as meso- and top-predators and environmental sentinels for zoonotic pathogens. Read More

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LAMP Assay for the Detection of   Eggs Isolated from Canine Faeces by a Cost-Effective NaOH-Based DNA Extraction Method.

Pathogens 2021 Jul 5;10(7). Epub 2021 Jul 5.

Institute of Parasitology, Vetsuisse and Medical Faculty, University of Zurich, 8057 Zurich, Switzerland.

The detection of in infected canids and the environment is pivotal for a better understanding of the epidemiology of alveolar echinococcosis in endemic areas. Necropsy/sedimentation and counting technique remain the gold standard for the detection of canid infection. PCR-based detection methods have shown high sensitivity and specificity, but they have been hardly used in large scale prevalence studies. Read More

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Intestinal system helminths of red foxes and molecular characterization Taeniid cestodes.

Parasitol Res 2021 Aug 7;120(8):2847-2854. Epub 2021 Jul 7.

Department of Parasitology, Faculty of Ceyhan Veterinary Medicine, University of Cukurova, 01330, Adana, Turkey.

Red foxes (Vulpes vulpes) are the most prevalent wild carnivores in the world and definitive hosts of many pathogenic parasites for humans and farm animals. These animals travel great distances in search of prey and nests, and cause contamination of large geographic areas with parasites. For this reason, monitoring the parasitic pathogens of red foxes is particularly important in terms of public and animal health. Read More

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A Retrospective Survey of the Abortion Outbreak Event Caused by Brucellosis at a Blue Fox Breeding Farm in Heilongjiang Province, China.

Front Vet Sci 2021 15;8:666254. Epub 2021 Jun 15.

Chinese Center for Disease Control and Prevention, National Institute for Communicable Disease Control and Prevention, Beijing, China.

Brucellosis is a common zoonosis in China, resulting in abortion in animals. Outbreaks of abortion in blue foxes caused by infection have rarely been reported. In the present study, 3-5 mL blood samples collected from the femoral veins of 10 abortuses of blue foxes were assessed by RBPT (Rose Bengal plate test) and SAT (serum tube agglutination test) to preliminarily investigate the source of infection for the clustering of abortion events at a blue fox farm in Heilongjiang Province. Read More

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Infection in Red Foxes in France.

Microorganisms 2021 Jun 9;9(6). Epub 2021 Jun 9.

Paris-Est University, National Reference Laboratory for Tuberculosis, Animal Health Laboratory, Anses, 94700 Maisons-Alfort, France.

, member of the , complex is known to interfere in the screening and diagnosis of bovine tuberculosis. This pathogen is increasingly detected in the frame of surveillance programs for tuberculosis in livestock and wildlife. Recently, red foxes () were found infected by in four French endemic areas. Read More

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Application of YOLOv4 for Detection and Motion Monitoring of Red Foxes.

Animals (Basel) 2021 Jun 9;11(6). Epub 2021 Jun 9.

Friedrich-Loeffler-Institut (FLI), Federal Research Institute for Animal Health, Institute of Epidemiology, Südufer 10, 17493 Greifswald-Insel Riems, Germany.

Animal activity is an indicator for its welfare and manual observation is time and cost intensive. To this end, automatic detection and monitoring of live captive animals is of major importance for assessing animal activity, and, thereby, allowing for early recognition of changes indicative for diseases and animal welfare issues. We demonstrate that machine learning methods can provide a gap-less monitoring of red foxes in an experimental lab-setting, including a classification into activity patterns. Read More

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A review of the occurrence and clinical consequences of protozoan infections in carnivorous fur farm animals.

Ann Agric Environ Med 2021 Jun 1;28(2):199-207. Epub 2020 Jun 1.

University of Life Sciences-SGGW, Institute of Veterinary Medicine, Warsaw, Poland.

Introduction And Objective: The aim was to review available data concerning the occurrence of protozoan parasites affecting carnivorous fur farm animals, such as: American mink, blue and silver foxes, and raccoon dogs. Although, many protozoan pathogens have been isolated in wild fur animals, some are still not recognised as relevant to particular fur farm animal species. Protozoans that have been isolated as causative agents of clinical cases and reported in these animals are: spp. Read More

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Molecular survey of Besnoitia spp. (Apicomplexa) in faeces from European wild mesocarnivores in Spain.

Transbound Emerg Dis 2021 Nov 7;68(6):3156-3166. Epub 2021 Jul 7.

SALUVET, Department of Animal Health, Faculty of Veterinary, Complutense University of Madrid, Madrid, Spain.

Numerous studies have unsuccessfully tried to unravel the definitive host of the coccidian parasite Besnoitia besnoiti. Cattle infections by B. besnoiti cause a chronic and debilitating condition called bovine besnoitiosis that has emerged in Europe during the last two decades, mainly due to limitations in its control associated with the absence of vaccines and therapeutical tools. Read More

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November 2021