| 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 |
| wild canids, domestic dogs and their pathogens in southeast brazil: disease threats for canid conservation. | wild canids are under many pressures, including habitat loss, fragmentation and disease. the current lack of information on the status of wildlife health may hamper conservation efforts in brazil. in this paper, we examined the prevalence of canine pathogens in 21 free-ranging wild canids, comprising 12 cerdocyon thous (crab-eating fox), 7 chrysocyon brachyurus (maned wolf), 2 lycalopex vetulus (hoary fox), and 70 non-vaccinated domestic dogs from the serra do cipó national park area, southeast ... | 2010 | 32214695 |
| detection and prevalence of babesia spp. in american black bears (ursus americanus) from eastern and western north carolina, usa. | blood samples collected from american black bears (ursus americanus) in eastern and western north carolina, us, were analyzed for piroplasms. piroplasmids were detected in 17% (23/132) of the animals surveyed. we detected a babesia spp. previously identified in north american raccoons (procyon lotor) and a maned wolf (chrysocyon brachyurus); prevalence was 22% (14/64) and 13% (9/68) in the mountain and coastal black bear populations, respectively. the presence of the same babesia species in blac ... | 2019 | 30694717 |
| molecular evidence of babesia species in procyon cancrivorus (carnivora, procyonidae) in uruguay. | the crab-eating raccoon (procyon cancrivorus) is a carnivore widely distributed from southern central america to all south american countries except chile. in the southern cone of america, p. cancrivorus has been found parasitized by several amblyomma spp. particularly, in uruguay, a. aureolatum is the only tick found in this wild carnivore. piroplasmid hemoparasites were found in procyon lotor from north america and japan. in this work, molecular evidence babesia sp. dna was found in blood and ... | 2018 | 31014881 |
| a novel babesia sp. associated with clinical signs of babesiosis in domestic cats in south africa. | feline babesiosis, sporadically reported from various countries, is of major clinical significance in south africa, particularly in certain coastal areas. babesia felis, b. leo, b. lengau and b. microti have been reported from domestic cats in south africa. blood specimens from domestic cats (n = 18) showing clinical signs consistent with feline babesiosis and confirmed to harbour babesia spp. piroplasms by microscopy of blood smears and/or reverse line blot (rlb) hybridization were further inve ... | 2019 | 30909950 |
| clinical, morphological, and molecular characterization of an undetermined babesia species in a maned wolf (chrysocyon brachyurus). | a possible novel babesia species infection of a maned wolf (chrysocyon brachyurus) was first reported in 2012. the current case details a confirmed report of a maned wolf with infection by an undetermined species of babesia. as the mortality and morbidity of babesiosis is high, this may become a significant concern to captive maned wolves, which are considered a near-threatened species by the world association of zoos and aquariums. the aim of this study is to report the clinical, morphological ... | 2019 | 30245087 |
| no evidence of sarcocystis calchasi involvement in mammalian meningoencephalitis of unknown origin. | sarcocystis calchasi has recently been identified as the cause of pigeon protozoal encephalitis, ppe, a lethal brain disease in pigeons and parrots. while only avian species have been identified so far to be susceptible to this pathogen as definitive or intermediate hosts, we speculated whether mammals may be susceptible as well, as in sarcocystis neurona and other related apicomplexan parasites. specifically, we hypothesized its involvement in mammalian meningoencephalitis of unknown origin, mu ... | 2016 | 31014499 |
| bladder teratoma in a maned wolf (chrysocyon brachyurus). | teratomas are germ cell tumors, comprised of a mixture of tissue types and with tissue foreign to their site of origin. | 2019 | 31998620 |
| simulating the consequences of roads for wildlife population dynamics. | rapidly expanding road networks have been a key driver of the fragmentation and isolation of many wildlife species, and are a source of significant mortality due to collisions with vehicles. but not all animals are affected equally by transportation infrastructure, and in most cases little is known about the population-scale consequences of roads for wildlife. even less information is available to characterize species' behavioral responses to roads. although research shows that maned wolves (chr ... | 2020 | 31942086 |
| safety of and humoral immune response to the merial recombitek canine distemper virus vaccine in maned wolves (chrysocyon brachyurus). | this study evaluated the safety of and humoral response to the merial recombitek® recombinant canine distemper virus (rcdv) vaccine in maned wolves (n = 9, age 2-9 yr). all maned wolves had prior history of annual vaccination with the merial purevax® ferret rcdv vaccine. serum neutralization (sn) to cdv was measured prior to initial vaccination with the rcdv recombitek vaccine followed by a booster vaccination at 4-6 wk. final sn titers were obtained at 13 wk post initial vaccination. the maned ... | 2020 | 31926530 |
| hepatozoon sp. gamonts as an accidental finding in synovial liquid from an injured maned wolf (chrysocyon brachyurus) in southeastern brazil. | a free-living, adult male maned wolf (chrysocyon brachyurus) was referred to the governador "laudo natel" - fcav/unesp veterinary hospital after being found with skin lesions and a fracture on the right pelvic limb, which had to be amputated due to compromised integrity. around 20 days later, bilateral accentuated swollen on humerus-radius-ulna articulation was observed. the synovial liquid was drained and sent to the laboratory for synovial cytology with rosenfeld staining that revealed predomi ... | 2020 | 31483033 |
| the complete mitochondrial genome sequence of the maned wolf (chrysocyon brachyurus). | in this study, the complete mitochondrial genome of the maned wolf (chrysocyon brachyurus), the unique species in chrysocyon, was sequenced and reported for the first time using blood samples obtained from a female individual in shanghai zoo, china. sequence analysis showed that the genome structure was in accordance with other canidae species and it contained 12 s rrna gene, 16 s rrna gene, 22 trna genes, 13 protein-coding genes and 1 control region. | 2016 | 24708104 |
| the origins of the enigmatic falkland islands wolf. | the origins of the extinct falkland islands wolf (fiw), dusicyon australis, have remained a mystery since it was first recorded by europeans in the seventeenth century. it is the only terrestrial mammal on the falkland islands (also known as the malvinas islands), which lie ~460 km from argentina, leading to suggestions of either human-mediated transport or overwater dispersal. previous studies used ancient dna from museum specimens to suggest that the fiw diverged from its closest living relati ... | 2013 | 23462995 |
| adrenal activity in maned wolves is higher on farmlands and park boundaries than within protected areas. | in this study we measured excreted fecal corticoid metabolites (fcm) in maned wolves (chrysocyon brachyurus) living within a protected reserve, on farmlands or in a boundary zone between the two habitats, and determined the impacts of season and reproductive status on adrenal activity. feces were collected within a national park (n=191 samples), a park boundary zone (n=39) and on nearby farmlands (n=27), processed and analyzed by enzyme immunoassay. fcm amounts from samples collected on farmland ... | 2012 | 22917914 |
| severe anemia caused by babesiosis in a maned wolf (chrysocyon brachyurus). | an 8-yr-old, captive, spayed, female maned wolf (chrysocyon brachyurus) developed progressive lethargy and weakness over a 24-hr period. clinical signs included vomiting, recumbency, horizontal nystagmus, possible blindness, pale icteric mucus membranes, and port-wine colored urine. a complete blood cell count revealed severe anemia (packed cell volume [pcv], 6%) and intraerythrocytic piroplasms consistent with a babesia species. polymerase chain reaction testing later confirmed babesiosis. the ... | 2012 | 22448525 |
| gastric dilatation volvulus in adult maned wolves (chrysocyon brachyurus). | gastric dilatation volvulus (gdv) was identified in six adult maned wolves ( chrysocyon brachyurus ) housed at the smithsonian conservation biology institute in front royal, virginia, and the dickerson park zoo in springfield, missouri. four individuals were found dead in their enclosures, and gdv was diagnosed postmortem based on radiographic and necropsy findings. two individuals were diagnosed with gdv antemortem, with one wolf surviving following surgical intervention and supportive manageme ... | 2017 | 28749303 |
| evidence of individual discrimination in the maned wolf long-distance extended-bark. | the acoustic channel is an efficient long-distance signalling system that may be especially effective for animals moving in the dark in a vast home range. the maned wolf's extended-bark is a long-range vocalization that functions as a mechanism to increase spatial distance among conspecifics as well as to enable pair-mate reunion. individual variations in this vocalization have been reported, but the possibility that they can be perceived and used by the species has never been tested. in our stu ... | 2019 | 30528636 |
| first report of athesmia foxi goldberger and crane, 1911 (digenea, dicrocoeliidae) from chrysocyon brachyurus (illiger, 1815) (carnivora, canidae) and pathological findings. | chrysocyon brachyurus, the largest south american canid, is a native species of the brazilian cerrado. the present study is aimed to report the occurrence of the trematode, athesmia foxi, in the liver of a new host, c. brachyurus, and to describe its morphology and pathology. one c. brachyurus individual was necropsied and examined for the presence of parasites. worms were collected from the bile ducts and based on morphological and morphometrical characteristics, such as a relatively large, sle ... | 2018 | 31662652 |
| radiographic determination of pelvic limb orthopaedic measurements in maned wolf (chrysocyon brachyurus). | the aim of this study was to determine some radiographic reference values for hip joint, femur and patella in maned wolves. ten maned wolves (chrysocyon brachyurus), five live (g1) and five cadavers (g2), were used. there were no statistically significant differences in the radiological measurements between right and left pelvic limbs of the g1 and g2, except for mechanical lateral proximal femoral angle (mlpfa) in both groups. the comparison of the measurements between groups showed difference ... | 2018 | 30033520 |
| physiological impacts of housing maned wolves (chrysocyon brachyurus) with female relatives or unrelated males. | the maned wolf is a threatened canid species native to south america. previous studies have suggested the species exhibits induced ovulation. in captive breeding facilities, reproductive success is low while rates of neonatal mortality are high. females that are not recommended for breeding are frequently housed together. however there has never been a systematic study of the reproductive consequences of co-housing females. this study was conducted for three purposes, to: (1) corroborate the pre ... | 2018 | 29913172 |
| parental behaviour in maned wolf chrysocyon brachyurus at belo horizonte zoo. | there is limited information on the reproductive behaviour of the maned wolf chrysocyon brachyurus. although it is a monogamous species, little is known about the ♂'s role in the rearing of pups. in 1994 a comparative study of the behaviour of two ♀♀ with new-born pups was carried out at belo horizonte zoo to try to establish the ♂'s role in rearing: one ♀ was housed alone with her pups throughout the observation period; the other ♂ was housed with the ♀ and pups for the first month and alone wi ... | 1997 | 32336820 |
| naturally acquired infectious canine hepatitis in two captive maned wolf (chrysocyon brachyurus) puppies. | we report the clinicopathological manifestations of canine adenovirus type 1 (cav 1) infection in captive-born naturally infected maned wolves (chrysocyon brachyurus). two 3-month-old maned wolves presented with lethargy, emesis, dehydration, pallor, hypothermia, leucocytosis, neutrophilia, lymphopaenia and thrombocytopaenia. one of the puppies died shortly after admission, with gross changes that included marked gastrointestinal petechiae, splenomegaly, hepatomegaly and pulmonary haemorrhage. h ... | 2021 | 34340805 |
| canine distemper outbreak by natural infection in a group of vaccinated maned wolves in captivity. | canine distemper virus (cdv) is one of the most significantinfectious disease threats to the health and conservation of free-ranging and captive wild carnivores. cdv vaccination using recombinant canarypox-based vaccines has been recommended for maned wolf (chrysocyon brachyurus) after the failure of modified live vaccines that induced disease in vaccinated animals. here, we report a cdv outbreak in a captive population of maned wolves that were previously vaccinated. five juveniles and one adul ... | 2021 | 33429927 |
| extraction of unerupted maxillary canine teeth in a maned wolf (chrysocyon brachyurus). | the purpose of this case report is to describe the diagnosis and treatment of unerupted canine teeth in a maned wolf. after physical examination, complete blood count, and serum biochemical profile, the animal underwent general anesthesia and head radiography was performed to confirm the diagnosis. the treatment consisted of the extraction of both maxillary canine teeth and clinical and radiographic follow-up of the right mandibular canine tooth. | 2016 | 29955413 |