Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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| occurrence of lutzomyia longipalpis lutz & neiva 1912 and cerdocyon thous linnaeus 1977, in a visceral leishmaniasis endemic area in brazil. | cerdocyon thous presents a wide geographic distribution in brazil and its role as a possible leishmania infantum reservoir in a visceral leishmaniasis (vl) transmission cycle regardless of dogs (canis familiaris) has been discussed. from this perspective, this work describes the occurrence and use of the habitat by cerdocyon thous in a lutzomyia longipalpis occurrence area teresina (piaui - brazil), vl endemic region. three specimens of c. thous were monitored with the use of radio telemetry and ... | 2017 | 28712973 |
| atlantic-camtraps: a dataset of medium and large terrestrial mammal communities in the atlantic forest of south america. | our understanding of mammal ecology has always been hindered by the difficulties of observing species in closed tropical forests. camera trapping has become a major advance for monitoring terrestrial mammals in biodiversity rich ecosystems. here we compiled one of the largest datasets of inventories of terrestrial mammal communities for the neotropical region based on camera trapping studies. the dataset comprises 170 surveys of medium to large terrestrial mammals using camera traps conducted in ... | 2017 | 28857166 |
| a rabies virus vampire bat variant shows increased neuroinvasiveness in mice when compared to a carnivore variant. | rabies is one of the most important zoonotic diseases and is caused by several rabies virus (rabv) variants. these variants can exhibit differences in neurovirulence, and few studies have attempted to evaluate the neuroinvasiveness of variants derived from vampire bats and wild carnivores. the aim of this study was to evaluate the neuropathogenesis of infection with two brazilian rabv street variants (variant 3 and crab-eating fox) in mice. balb/c mice were inoculated with rabv through the footp ... | 2017 | 28831620 |
| effects of roads on the vertebrates diversity of the indigenous territory paresi and its surrounding. | roadkill impact is still underestimated due to the lack of knowledge of its intensity and effect on animal populations. to assess differences between animal roadkills on roads in distinct landscapes, this study recorded meso- and megavertebrate roadkills along 50 km during a year in two highways in the transitional area of amazonia/cerrado in tangará da serra, mato grosso: mt-358 and mt-235, the latter crossing the paresi indigenous land. we assessed roadkill rates and points with higher rates o ... | 2017 | 28614424 |
| anaplasmataceae agents among wild mammals and ectoparasites in brazil. | anaplasmataceae agents comprise obligate intracellular bacteria that can cause disease in humans and animals. between august 2013 and march 2015, 31 nasua nasua (coati), 78 cerdocyon thous (crab-eating fox), seven leopardus pardalis (ocelot), 110 wild rodents, 30 marsupials, and 42 dogs were sampled in the pantanal wetland, brazil. in addition, ectoparasites found parasitizing the animals were collected and identified. the present work aimed to investigate the occurrence of anaplasmataceae agent ... | 2017 | 29103397 |
| diversity of piroplasmids among wild and domestic mammals and ectoparasites in pantanal wetland, brazil. | piroplasmoses are one of the most prevalent arthropod-borne diseases of animals. the present work aimed to investigate the occurrence of piroplasmid in wild mammals, domestic dogs and ectoparasites in southern pantanal region, central-western brazil. for that purpose, blood or tissue samples from 31 nasua nasua, 78 cerdocyon thous, 7 leopardus pardalis, 42 dogs, 110 wild rodents, and 30 marsupials, and 1582 ticks were submitted to pcr assays for piroplasmid targeting 18srrna and hps70 genes. sev ... | 2017 | 28941935 |
| rickettsia parkeri in free-ranging wild canids from brazilian pampa. | spotted fevers are tick-borne diseases associated with various rickettsia species. rickettsia parkeri sensu stricto (s.s.) is the agent of an emerging eschar-associated rickettsiosis in humans from the usa and south american pampa. considering that r. parkeri s.s. is restricted to americas and the potential role of dogs in the epidemiology of the disease, it is thus reasonable to hypothesize that wild canids could be involved in the enzootic cycle of this rickettsiosis. the aim of this work was ... | 2017 | 29119703 |
| an anatomic description of intrinsic brachial muscles in the crab-eating fox (cerdocyon thous, linnaeus 1776) and report of a variant arterial distribution. | the crab-eating fox (cerdocyon thous) is a wild canid distributed throughout south america. it is one of the wild canids reported being hit by vehicles and injured in snares, thus inducing trauma or injury to the musculoskeletal system, possibly occurring in the brachial region. the main objective of this research was to provide an anatomic description of the crab-eating fox's intrinsic brachial muscles including shape, origin, insertion, innervation and arterial blood supply, compared with that ... | 2017 | 29214655 |
| female reproductive system morphology of crab-eating fox (cerdocyon thous) and cryopreservation of genetic material for animal germplasm bank enrichment. | the sprawl of the urbanization and road network process without building ecological corridors contributes to the high mortality rates and a threat to the population decline of wild species such as the crab-eating fox. a strategy for the ex situ conservation is the study of the reproductive biology of the species and cryopreservation of their genetic heritage through the formation of an animal germplasm bank. this research is in accordance with the principles adopted by brazilian college of anima ... | 2017 | 28913836 |
| bartonella species pathogenic for humans infect pets, free-ranging wild mammals and their ectoparasites in the caatinga biome, northeastern brazil: a serological and molecular study. | this study verified the occurrence of bartonella spp. in dogs, cats, wild mammals and their ectoparasites in petrolina and lagoa grande counties, pernambuco, located in a semi-arid region in northeastern brazil. anti-bartonella spp. antibodies were detected by indirect immunofluorescence assay (ifa) in 24.8% of dogs (27/109) and in 15% of cats (6/40). bartonella sp. dna was identified by pcr performed on dna extracted from blood and ectoparasites using primers targeting bartonella sp. glta and r ... | 2017 | 28249707 |
| first isolation and rflp genotyping of toxoplasma gondii from crab-eating fox (cerdocyon thous-linnaeus, 1766). | wild animals may play an important role in the transmission and maintenance of toxoplasma gondii in the environment. the purpose of the present study was to isolate and genotype t. gondii from a free-ranging crab-eating fox (cerdocyon thous-linnaeus, 1766). a crab-eating fox in critical health condition was attended in a veterinary hospital in recife, pernambuco state, brazil. the animal died despite emergency treatment. the brain was collected aseptically and destined for mouse bioassay. one is ... | 2017 | 28119049 |
| occurrence and molecular characterization of hemoplasmas in domestic dogs and wild mammals in a brazilian wetland. | hemotropic mycoplasmas are known to cause anemia in several mammalian species. the present work aimed to investigate the occurrence of mycoplasma spp. in wild mammals, domestic dogs and their respective ectoparasites, in southern pantanal region, central-western brazil. between august 2013 and march 2015, 31 nasua nasua, 78 cerdocyon thous, seven leopardus pardalis, 42 dogs, 110 wild rodents, and 30 marsupials were trapped and ectoparasites (ticks and fleas) found parasitizing the animals were c ... | 2017 | 28366511 |
| phylogenetic analysis of rabies virus isolated from canids in north and northeast brazil. | cases of canine rabies continue to occur in north and northeast brazil, and the number of notifications of rabies cases in wild canids has increased as a result of the expansion of urban areas at the expense of areas with native vegetation. in light of this, we performed molecular characterization of rabies virus isolates from dogs and cerdocyon thous from various states in north and northeast brazil. in all, 102 samples from dogs (n = 56) and cerdocyon thous (n = 46) collected between 2006 and ... | 2017 | 27671776 |
| novel record of a tick amblyomma sculptum with detection of piroplasm rangelia vitalii dna. | rangelia vitalii is the protozoan responsible for a febrile tick-borne disease known as "nambiuvú" or "bleeding plague." the only competent vector of this protozoan recognized in brazil is the tick amblyomma aureolatum. the aim of this study was to identify r. vitalii using molecular biology in ticks parasitizing cerdocyon thous from tijuca and serra dos órgãos national parks, which are areas of the atlantic rainforest biome in the municipality of rio de janeiro. after taxonomic identification, ... | 2018 | 31014880 |
| genetic diversity of bartonella spp. in wild mammals and ectoparasites in brazilian pantanal. | the present work aimed to investigate the genetic diversity of bartonella in mammals and ectoparasites in pantanal wetland, brazil. for this purpose, 31 nasua nasua, 78 cerdocyon thous, 7 leopardus pardalis, 110 wild rodents, 30 marsupials, and 42 dogs were sampled. dna samples were submitted to a quantitative real-time pcr assay (qpcr). positive samples in qpcr were submitted to conventional pcr assays targeting other five protein-coding genes. thirty-five wild rodents and three polygenis (p.) ... | 2018 | 29313064 |
| re-emergence of rabies virus maintained by canid populations in paraguay. | paraguay has registered no human cases of rabies since 2004, and the last case in dogs, reported in 2009, was due to a variant maintained in the common vampire bat "desmodus rotundus". in 2014, a dog was diagnosed as positive for rabies with aggression towards a boy and all required measures of control were successfully adopted. epidemiological investigation revealed that the dog was not vaccinated and had been attacked by a crab-eating fox, "zorro" (cerdocyon thous). the sample was diagnosed by ... | 2018 | 28913904 |
| rickettsia spp. among wild mammals and their respective ectoparasites in pantanal wetland, brazil. | the genus rickettsia comprises obligatory intracellular bacteria, well known to cause zoonotic diseases around the world. the present work aimed to investigate the occurrence of rickettsia spp. in wild animals, domestic dogs and their respective ectoparasites in southern pantanal region, central-western brazil, by molecular and serological techniques. between august 2013 and march 2015, serum, whole blood and/or spleen samples were collected from 31 coatis, 78 crab-eating foxes, seven ocelots, 4 ... | 2018 | 29111373 |
| correction: outcomes of trypanosoma cruzi and trypanosoma evansi infections on health of southern coati (nasua nasua), crab-eating fox (cerdocyon thous), and ocelot (leopardus pardalis) in the brazilian pantanal. | [this corrects the article doi: 10.1371/journal.pone.0201357.]. | 2018 | 30332453 |
| mamastrovirus 5 detected in a crab-eating fox (cerdocyon thous): expanding wildlife host range of astroviruses. | astroviruses are a common cause of gastroenteritis in children worldwide and can also cause infection in a range of domestic and wild animal species. canine astrovirus (formally named as mamastrovirus 5, mastv5) has been reported worldwide, and its role as an enteric pathogen is still controversial. herein, we describe the genomic characterization of a mastv5 (strain crab-eating fox/2016/bra) identified in a wild canid (cerdocyon thous) diagnosed with canine distemper virus (cdv) as causa mortis ... | 2018 | 30245049 |
| brazil road-kill: a data set of wildlife terrestrial vertebrate road-kills. | mortality from collision with vehicles is the most visible impact of road traffic on wildlife. mortality due to roads (hereafter road-kill) can affect the dynamic of populations of many species and can, therefore, increase the risk of local decline or extinction. this is especially true in brazil, where plans for road network upgrading and expansion overlaps biodiversity hotspot areas, which are of high importance for global conservation. researchers, conservationists and road planners face the ... | 2018 | 30229895 |
| outcomes of trypanosoma cruzi and trypanosoma evansi infections on health of southern coati (nasua nasua), crab-eating fox (cerdocyon thous), and ocelot (leopardus pardalis) in the brazilian pantanal. | the occurrence of trypanosoma spp. in wild carnivore populations has been intensively investigated during the last decades. however, the impact of these parasites on the health of free-living infected animals has been largely neglected. the pantanal biome is the world's largest seasonal wetland, harboring a great diversity of species and habitats. this includes 174 species of mammals, of which 20 belong to the order carnivora. the present study aimed to investigate the effect of trypanosoma evan ... | 2018 | 30110344 |
| goniometric measurement of joint angles in crab-eating foxes ( cerdocyon thous). | this study aimed to assess joint angle values in the forelimbs and hind limbs of crab-eating foxes ( cerdocyon thous) using a conventional manual goniometer. nine captive crab-eating foxes, aged over 1 yr old, weighing from 5.9 to 7.5 kg were used. the maximum flexion and maximum extension of the shoulder, elbow, carpal, hip, stifle, and tarsal joints were measured. the range of motion was determined through the difference between the maximum flexion and the maximum extension. there was no signi ... | 2018 | 29900790 |
| determining carnivore habitat use in a rubber/forest landscape in brazil using multispecies occupancy models. | understanding the factors that influence the presence and distribution of carnivores in human-dominated agricultural landscapes is one of the main challenges for biodiversity conservation, especially in landscapes where setting aside large protected areas is not feasible. habitat use models of carnivore communities in rubber plantations are lacking despite the critical roles carnivores play in structuring ecosystems and the increasing expansion of rubber plantations. we investigated the habitat ... | 2018 | 29659594 |
| activity pattern of medium and large sized mammals and density estimates of cuniculus paca (rodentia: cuniculidae) in the brazilian pampa. | between july 2014 and april 2015, we conducted weekly inventories of the circadian activity patterns of mammals in passo novo locality, municipality of alegrete, southern brazil. the vegetation is comprised by a grassy-woody steppe (grassland). we used two camera traps alternately located on one of four 1 km transects, each separated by 1 km. we classified the activity pattern of species by the percentage of photographic records taken in each daily period. we identify cuniculus paca individuals ... | 2018 | 29489928 |
| radiographic measurements of the hindlimbs in crab-eating foxes (cerdocyon thous, linnaeus, 1766). | life expectancy of crab-eating foxes in captivity is approximately 11 years, which favours the development of diseases including orthopaedic disorders. however, to understand disorders that may affect these animals, it is worth determining a normal range of measurements. therefore, this study aimed to evaluate radiographic measurements of joint angles of the hindlimbs and the ratio of patellar ligament length to patellar length in healthy crab-eating foxes. fifteen captive crab-eating foxes (cer ... | 2018 | 29473194 |
| molecular and serological investigation of infectious diseases in captive and free-range crab-eating fox (cerdocyon thous - linnaeus, 1776) from northeastern brazil. | the aim of this study was to detect dna and antibodies anti-leishmania spp., neospora caninum and toxoplasma gondii in captive and free-range crab-eating fox (cerdocyon thous) from northeastern brazil. twenty-five crab-eating foxes from different states of northeastern brazil were sampled by this study. blood samples were collected by cephalic or jugular vein punctures. the whole blood was submitted to pcr, and the sera samples to the serological analysis as follows: mat for t. gondii, nat for n ... | 2018 | 29351073 |
| anatomical, histological and computed tomography comparisons of the eye and adnexa of crab-eating fox (cerdocyon thous) to domestic dogs. | an understanding of species' morphological and physiological parameters is crucial to developing conservation strategies for wild animals kept in human care. detailed information is lacking for crab-eating fox (cerdocyon thous) eyes and adnexa. therefore, the aim of this study was to describe anatomical, histological and computed tomography (ct) features of the eye and adnexa in crab-eating fox, compared to domestic dogs. ct of the eye and adnexa of one live animal and a frozen specimen was perf ... | 2019 | 31644568 |
| nyctinomops laticaudatus bat-associated rabies virus causes disease with a shorter clinical period and has lower pathogenic potential than strains isolated from wild canids. | rabies is a lethal viral disease that can affect a wide range of mammals. currently, rabies virus (rabv) in some european and american countries is maintained primarily in wild species. the regulation of viral replication is one of the critical mechanisms involved in rabv pathogenesis. however, the relationship between replication and the pathogenesis of rabv isolated from wild animals remains poorly understood. in the present study, we evaluated the pathogenicity of the street viruses nyctinomo ... | 2019 | 31297587 |
| neospora caninum dna in feces of crab-eating fox (cerdocyon thous - linnaeus, 1776) from northeastern brazil. | neospora caninum is an obligate intracellular tissue cyst-forming coccidian parasite and it was first described in dogs. despite the relevance of wild canids in the transmission chain of n. caninum, there are few studies in brazil. the aim of the present study was to detect n. caninum dna in feces of free-range and captive crab-eating fox (cerdocyon thous) from different states of northeastern brazil. fecal samples of eighteen crab-eating foxes (fifteen individually and three pools) were collect ... | 2019 | 31226252 |
| presentation of hemolytic and hemorrhagic rangeliosis in cerdocyon thous. | rangeliosis, caused by protozoan rangelia vitalii, is transmitted by the tick amblyomma aureolatum. the disease is characterized by hemolytic and hemorrhagic disorder and has been described in dogs and other wild canids. the aim of this study was to compare clinicopathological findings and laboratory results of a rangelia infection in a crab-eating fox (cerdocyon thous) with those of canine rangeliosis. the zoo of universidade de caxias do sul, received a crab-eating fox with marked jaundice in ... | 2019 | 30852178 |
| detection of rickettsia spp. and bartonella spp. in ctenocephalides felis fleas from free-ranging crab-eating foxes (cerdocyon thous). | fleas are insects with a worldwide distribution that have been implicated in the transmission of several pathogens. the present study aimed to investigate the presence of rickettsia spp. (rickettsiales: rickettsiaceae) and bartonella spp. (rhizobiales: bartonellaceae) in fleas from free-ranging crab-eating foxes cerdocyon thous (linnaeus, 1766) (carnivora: canidae) from rio grande do sul, southern brazil. fleas were collected manually from animals and used for the molecular detection of ricketts ... | 2019 | 30848844 |
| detection of rangelia vitalii (piroplasmida: babesiidae) in asymptomatic free-ranging wild canids from the pampa biome, brazil. | canine rangeliosis is a tick-borne disease caused by the protozoan rangelia vitalii, which has only been reported in south america. with this knowledge, we hypothesized that neotropical foxes could act as asymptomatic natural carriers of r. vitalii. to test this, we captured 44 free-ranging foxes and investigated the presence of r. vitalii dna, and whether the infected animals presented any clinical findings or hematological changes. eight foxes (18%), seven cerdocyon thous (7/27-25%), and one l ... | 2019 | 30778752 |
| variation in the prevalence and abundance of acanthocephalans in brown-nosed coatis nasua nasua and crab-eating foxes cerdocyon thous in the brazilian pantanal. | host infection by parasites is influenced by an array of factors, including host and environmental features. we investigated the relationship between host sex, body size and age, as well as seasonality on infection patterns by acanthocephalan in coatis (procyonidae: nasua nasua) and in crab-eating foxes (canidae: cerdocyon thous ) from the brazilian pantanal wetlands. between 2006 and 2009, we collected faecal samples from these hosts and analyzed for the presence of acanthocephalan eggs. preval ... | 2019 | 30540104 |
| nematode capilaridae in the tongue of cerdocyon thous of free life in brazil. | studies of helminths in road-killed wild animals are still uncommon but may provide promising results since they can identify the parasites in juvenile and adult hosts and meet the recommendations of current discussions on bioethics that prioritize alternative methods for the use of animals. this study evaluated three cerdocyon thous individuals that were donated after dying from being run over. two of them had small nematode adults in the epithelial and connective tissues of the tongue. the dia ... | 2019 | 30427529 |
| angiostrongylosis in cerdocyon thous (crab-eating fox) and lycalopex gymnocercus (pampas fox) in southern brazil. | the objective of this study was to identify species of angiostrongylus spp. infecting wild carnivores in southern brazil, as well as to describe gross and histopathological findings associated with the infection. necropsy was conducted in 16 wild carnivores parasitized by angiostrongylus spp. analysed lungs revealed multifocal dark-red areas of consolidation; in one case, multifocal firm white nodules spread in all pulmonary lobes were observed. in one animal, a focally extensive area of malacia ... | 2019 | 30394242 |
| atlantic mammals: a data set of assemblages of medium- and large-sized mammals of the atlantic forest of south america. | biodiversity inventories contain important information about species richness, community structure, and composition, and are the first step in developing any conservation and mitigation strategies. the atlantic forest of south america is home to around 334 species of small-, medium-, and large-sized mammals, and is currently restricted to less than 12% of its original cover. here, we present the atlantic mammals, an open data set on information on medium- and large-sized mammal assemblages in th ... | 2019 | 31180132 |
| wild carnivores, domestic dogs and ticks: shared parasitism in the brazilian cerrado. | the increase of contact between natural and rural areas is prominent in brazil, due to agricultural activities and concern with the environmental conservation. in this context, domestic animals, wild fauna and humans are exposed to mutual exchange of parasites, microorganisms and diseases. we studied tick parasitism of wild carnivores and domestic dogs, and the environmental of questing ticks, in extensive cattle ranch areas intermingled with natural vegetation, and in a natural reserve, both in ... | 2020 | 32102697 |
| wild and domestic canids and their interactions in the transmission cycles of trypanosoma cruzi and leishmania spp. in an area of the brazilian cerrado. | trypanosoma cruzi and leishmania spp. are parasites that infect multiple hosts including canids, considered bioaccumulators of parasites. deforestation in the cerrado biome has resulted in the exposure of wild canids to anthropized areas, where they may establish ecological and epidemiological relationships with domestic dogs. we evaluated the infection by trypanosomatids in canids from a cerrado agroecosystem between 2013 and 2017. samples of wild canids (blood, bone marrow and skin) and dogs ( ... | 2020 | 33036238 |
| virome of crab-eating (cerdocyon thous) and pampas foxes (lycalopex gymnocercus) from southern brazil and uruguay. | crab-eating (cerdocyon thous) and pampas foxes (lycalopex gymnocercus) are wild canids distributed in south america. domestic dogs (canis lupus familiaris) and wild canids may share viral pathogens, including rabies virus (rabv), canine distemper virus (cdv), and canine parvovirus 2 (cpv-2). to characterize the virome of these wild canid species, the present work evaluated the spleen and mesenteric lymph node virome of 17 crab-eating and five pampas foxes using high-throughput sequencing (hts). ... | 2020 | 32580027 |
| first detection of canine parvovirus 2b dna in a crab-eating fox pup (cerdocyon thous, linnaeus, 1766). | the crab-eating fox (cerdocyon thous) is a small wild mammal present in all brazilian biomes and in some countries of south america. this study aimed to verify the involvement of viral infectious agents in the death of a wild crab-eating fox pup (cerdocyon thous) in brazil. the center for medicine and research of wild animals of the universidade estadual paulista received a free-living crab-eating fox aged approximately 21 days and apparently healthy. after 13 days, the animal presented anorexia ... | 2020 | 33095410 |
| anatomical variations in cervical vertebrae in two species of neotropical canids: what is the meaning? | anatomical variation in wild canids is rarely described. altered shapes, uni- or bilaterally situated, were observed in ventral laminae of c6 and/or in c7 vertebral body of two fox species: lycalopex gymnocercus and cerdocyon thous. the specimens were young adults, collected dead on highways in southern brazil. deformities were considered anatomical variations because apparently there was no interference in function. the occurrence of such variations in two related species from the same area can ... | 2020 | 32857880 |
| ehrlichia spp. and anaplasma spp. in xenarthra mammals from brazil, with evidence of novel 'candidatus anaplasma spp.' | anaplasmataceae agents are obligatory intracellular gram-negative α-proteobacteria that are transmitted mostly by arthropod vectors. although mammals of the superorder xenarthra (sloths, anteaters, and armadillos) have been implicated as reservoirs for several zoonotic agents, only few studies have sought to detect anaplasmataceae agents in this group of mammals. this study aimed to investigate the occurrence and genetic diversity of anaplasma spp. and ehrlichia spp. in blood and spleen samples ... | 2020 | 32724088 |
| pterygodermatites (multipectines) affinis (jägerskiöl, 1904) (nematoda: rictulariidae), a parasite of cerdocyon thous (linnaeus, 1766) (carnivora: canidae) from the brazilian amazon. | among the nematodes of cerdocyon thous, the genus pterygodermatites is characteristic for presenting cuticular projections along the body, being mentioned in different hosts in south america, although there are no records of its occurrence in the amazon biome. to enable further exploration in terms of their morphology and morphometry, the nematodes collected from cadavers of c. thous were fixed and observed using bright field microscopy and scanning electron microscopy, revealing characteristics ... | 2020 | 32667501 |
| origin and main ramifications of celiac artery in cerdocyon thous. | cerdocyon thous is the canid with the greatest geographical coverage in south america. the aim of this study was to describe the origin, skeletopy, length and main branches of the celiac artery in c. thous. the dissections were performed on 14 cadavers of adult specimens, six males and eight females, with a rostrosacral length average of 67.00 ± 4.7 and 62.09 ± 5.7 cm respectively. the specimens were collected dead on highways on the banks of the atlantic forest (rio de janeiro) and the pampa bi ... | 2020 | 32644185 |
| semen collection, sperm characteristics and ultrasonographic features of reproductive tissues in crab-eating fox (cerdocyon thous). | our objective was to condition adult male crab-eating fox (cerdocyon thous) to allow semen collection by digital manipulation of the penis, assess sperm characteristics, and use ultrasonography to assess and measure testes and prostate and determine echotexture, as well as hemodynamics of testicular and spermatic cord arteries. five captive c. thous (2-5 y, ∼7 kg) were used. after conditioning for digital sperm collection, 13 ejaculates were obtained from two males. ejaculate characteristics (me ... | 2020 | 32622206 |
| the eye of crab-eating fox (cerdocyon thous): anatomical characteristics and normative values of selected diagnostic tests, morphometry of corneal tissue, and arrangements of corneal stromal collagen fibers. | this study aimed to evaluate the ophthalmic parameters, morphometric features of corneal tissue, and arrangements of corneal stromal collagen fibers in crab-eating fox (cerdocyon thous), a species of neotropical wild canid. we conducted the study on six juvenile crab-eating foxes (12 eyes), whilst 16 eyes were obtained post mortem from eight adult crab-eating foxes. the research was divided into two stages. in the first stage, eye anatomical characteristics, tear production (schirmer 1 tear test ... | 2020 | 32549556 |
| linking human and ecological components to understand human-wildlife conflicts across landscapes and species. | human-wildlife conflicts (hwc) are complex conservation challenges that impair both wildlife populations and human livelihood. research on hwc, however, has traditionally approached ecological and human components separately, hampering a broader understanding of connections between ecological drivers and human dimensions of conflicts. we developed a model that integrates ecological and human components of hwc to investigate how the amount of remaining native forest (forest cover, a key ecologica ... | 2020 | 32406127 |
| otodectes cynotis (sarcoptiformes: psoroptidae): new records on wild carnivores in brazil with a case report. | the genus otodectes canestrini 1894, comprises an unique species, otodectes cynotis (hering, 1838), that is responsible for the 'ear mange' in terrestrial carnivores worldwide. here we report its occurrence in four brazilian host species from the southeastern region, based on records from carnivora in the acari collection of the butantan institute, são paulo state (ibsp). we also register a case report of a crab-eating fox, cerdocyon thous l. 1758 found parasitized by this mite species. | 2020 | 32161956 |
| tick-borne pathogens in dogs, wild small mammals and their ectoparasites in the semi-arid caatinga biome, northeastern brazil. | caatinga is a biome exclusive to the semiarid zone of brazil, where studies on ticks and tick-borne diseases are scarce. herein, we investigated the occurrence of rickettsia, ehrlichia, and coxiella in wild mammals, domestic dogs and their ectoparasites using molecular and serological techniques. during 2014-2016, blood samples and ectoparasites were collected from 70 small mammals (51 rodents, 18 marsupials, 1 wild canid) and 147 domestic dogs in three areas of the caatinga. through serological ... | 2020 | 32111546 |
| ophthalmic contributions to assessing eyes of two neotropical canids: cerdocyon thous and chrysocyon brachyurus. | to describe selected ophthalmic tests and anatomical features of eyes of crab-eating foxes (cerdocyon thous) and maned wolves (chrysocyon brachyurus). | 2020 | 31961037 |
| phylogenetic analysis of hepatozoon spp. (apicomplexa: hepatozoidae) infecting philodryas patagoniensis (serpentes: dipsadidae) in uruguay. | the purpose of this study was to perform a phylogenetic analysis of hepatozoon spp. infecting philodryas patagoniensis in uruguay. twenty-five road-killed specimens of p. patagoniensis from ten departments were obtained. samples of blood and/or heart tissue were taken. polymerase chain reaction (pcr) assay was carried out amplifying a specific target region of the 18s rrna gene of hepatozoon spp. eighteen out of twenty-five samples were positive to hepatozoon spp., which gave an overall prevalen ... | 2020 | 31938888 |
| non-invasive sampling in itatiaia national park, brazil: wild mammal parasite detection. | non-invasive sampling through faecal collection is one of the most cost-effective alternatives for monitoring of free-living wild mammals, as it provides information on animal taxonomy as well as the dynamics of the gastrointestinal parasites that potentially infect these animals. in this context, this study aimed to perform an epidemiological survey of gastrointestinal parasites using non-invasive faecal samples from carnivores and artiodactyls identified by stool macroscopy, guard hair morphol ... | 2020 | 32807197 |