| oncicola martini sp. n., and other archiacanthocephala of the chaco boreal, paraguay. | archiacanthocephalans are reported from mammals of paraguay. oncicola martini sp. n. is described from felis geoffroyi. it is most similar to o. lamasi (freitas et costa 1964) comb. n., differing in having larger hooks, all except the smallest of which are barbed. other species recorded are oncicola oncicola from felis geoffroyi (new host record), o. paracampanulata from felis yagouaroundi, o. luehei from nasua nasua, oligacanthorhynchus microcephala from didelphis albiventris, and o. tortuosa f ... | 1977 | 864568 |
| sylvatic echinococcosis in argentina. ii. susceptibility of wild carnivores to echinococcus granulosus (batsch, 1786) and host-induced morphological variation. | domestic dogs and cats, 3 fox species, dusicyon culpaeus (molina,1782), d, griseus (gray, 1837) and d. gymnocercus (thomas, 1914), geoffroy's cats, felis geoffroyi (d'orbigny and gervais, 1843), and grisons, galictus cuja (molina, 1782) were fed larvae of echinococcus granulosus (batsch, 1786) from domestic sheep in argentina. dogs and the 3 species of foxes became infected. the susceptibility of d. culpaeus compared favorably to that of dogs. most d. griseus and d. gymnocercus were less suscept ... | 1976 | 1258144 |
| rescue and maturation in vitro of follicular oocytes collected from nondomestic felid species. | the potential for rescuing immature oocytes from the ovaries of females of rare felid species which die or undergo medical ovariohysterectomy was evaluated. ovaries were recovered from 13 species representing 35 individuals in good-to-poor health. although the majority of females were 10 yr of age or older and in fair-to-poor health, a total of 846 oocytes were recovered of which 608 (71.9%) were classified as fair-to-excellent quality. one hundred of these oocytes were used for initial maturati ... | 1991 | 1805993 |
| echinococcus oligarthrus (diesing, 1863) from geoffroy's cat (felis geoffroyi d'orbigny y gervais) in temperate south america. | | 1973 | 4760646 |
| delayed hypersensitivity test with paracoccidioidin in captive latin american wild mammals. | the aim of this investigation was to study epidemiological aspects of paracoccidioidomycosis, the main endemic systemic mycosis in brazil. this study was carried out using the paracoccidioidin delayed hypersensitivity test in 96 latin american wild mammals, including 49 arboreal animals (primates): 33 cebus apella (weeping-capuchin), 16 callithrix jacchus (marmoset); and 47 terrestrial animals (carnivora): 37 nasua nasua (coatimundi), and 10 felidae [panthera onca (jaguar), felis paradalis (ocel ... | 1995 | 7650577 |
| phylogenetic reconstruction of south american felids defined by protein electrophoresis. | phylogenetic associations among six closely related south american felid species were defined by changes in protein-encoding gene loci. we analyzed proteins isolated from skin fibroblasts using two-dimensional electrophoresis and allozymes extracted from blood cells. genotypes were determined for multiple individuals of ocelot, margay, tigrina, geoffroy's cat, kodkod, and pampas cat at 548 loci resolved by two-dimensional electrophoresis and 44 allozyme loci. phenograms were constructed using th ... | 1994 | 7932791 |
| molecular phylogeny of mitochondrial cytochrome b and 12s rrna sequences in the felidae: ocelot and domestic cat lineages. | molecular phylogeny of the cat family felidae is derived using two mitochondrial genes, cytochrome b and 12s rrna. phylogenetic methods of weighted maximum parsimony and minimum evolution estimated by neighbor-joining are employed to reconstruct topologies among 20 extant felid species. sequence analyses of 363 bp of cytochrome b and 376 bp of the 12s rrna genes yielded average pair-wise similarity values between felids ranging from 94 to 99% and from 85 to 99%, respectively. phylogenetic recons ... | 1996 | 8975691 |
| nature and origin of polymorphism in feline mhc class ii dra and drb genes. | transcripts of the mhc class ii dra and drb gene homologues of the domestic cat (felis catus) were cloned and sequenced to compare the pattern and process of dr gene divergence. homologous drb exon 2 sequences from 36 feral domestic cats throughout the world plus from three species of felidae (tiger cat, iriomote cat, and geoffroy's cat) were also determined. limited variation in the domestic cat feca-dra gene was observed, but abundant variation in the feca-drb gene was seen comprising 61 disti ... | 1997 | 9058818 |
| shedding of toxoplasma gondii oocysts by felidae in zoos in the czech republic. | in 1995 and 1996, the shedding of toxoplasma gondii oocysts was monitored in the faeces of felidae in six zoos in the czech republic. in all, 2287 samples of faeces from 19 species of felidae were examined. in ostrava zoo, four episodes of shedding of toxoplasma-like oocysts were identified, using a flotation examination, in a pair of wild cats (felis silvestris), six episodes in a wild cat held separately, and three episodes in a pair of amur leopard cats (f. euptilurus). after the passage of s ... | 1998 | 9493305 |
| disparate phylogeographic patterns of molecular genetic variation in four closely related south american small cat species. | tissue specimens from four species of neotropical small cats (oncifelis geoffroyi, n = 38; o. guigna, n = 6; leopardus tigrinus, n = 32; lynchailurus colocolo, n = 22) collected from throughout their distribution were examined for patterns of dna sequence variation using three mitochondrial genes, 16s rrna, atp8, and nadh-5. patterns between and among o. guigna and o. geoffroyi individuals were assessed further from size variation at 20 microsatellite loci. phylogenetic analyses using mitochondr ... | 1999 | 10703553 |
| serosurvey for feline leukemia virus and lentiviruses in captive small neotropic felids in são paulo state, brazil. | feline leukemia virus (felv), gammaretrovirus, and feline immunodeficiency virus, a lentivirus, are members of the family retroviridae, and may establish persistent infections in the domestic cat (felis catus). cytoproliferative and cytosuppressive disorders may result from infection with these viruses. morbidity and mortality rates are high in domestic cats worldwide. infection of endangered neotropic small felids with these viruses could be devastating. to investigate the prevalence of felv an ... | 2003 | 12723802 |
| seroprevalence and genomic divergence of circulating strains of feline immunodeficiency virus among felidae and hyaenidae species. | feline immunodeficiency virus (fiv) infects numerous wild and domestic feline species and is closely related to human immunodeficiency virus (hiv) and simian immunodeficiency virus (siv). species-specific strains of fiv have been described for domestic cat (felis catus), puma (puma concolor), lion (panthera leo), leopard (panthera pardus), and pallas' cat (otocolobus manul). here, we employ a three-antigen western blot screening (domestic cat, puma, and lion fiv antigens) and pcr analysis to sur ... | 2005 | 15956574 |
| ticks (acari: ixodida) on wild carnivores in brazil. | the present study reports field data of ticks infesting wild carnivores captured from july 1998 to september 2004 in brazil. additional data were obtained from one tick collection and from previous published data of ticks on carnivores in brazil. during field work, a total of 3437 ticks were collected from 89 cerdocyon thous (crab-eating fox), 58 chrysocyon brachyurus (maned wolf), 30 puma concolor (puma), 26 panthera onca (jaguar), 12 procyon cancrivorus (crab-eating raccoon), 4 speothos venati ... | 2005 | 16082932 |
| isolation of malassezia spp. from cerumen of wild felids. | the objective of this study was to determine the presence of different species of the genus malassezia in the healthy external auditory canal of wild felids maintained in captivity. one hundred and thirty-two adult animals (264 samples of cerumen), 77 males (58.3%) and 55 females (41.7%), were studied: large felids (55 animals) - 26 lions (panthera leo), 13 tigers (panthera tigris), 6 leopards (panthera pardus), 6 jaguars (panthera onca), 2 cheetahs (acinonyx jubatus), 2 pumas (puma concolor); s ... | 2006 | 16772235 |
| risk factors associated with sero-positivity to toxoplasma gondii in captive neotropical felids from brazil. | from september 1995 to february 2001, blood samples were collected from 865 neotropical felids belonging to 8 different species. these animals were housed in 86 institutions located in 78 cities of 20 brazilian states. our goal was to identify the risk factors associated with sero-positivity to toxoplasma gondii in captive neotropical felids from brazil. all serum samples were tested by the modified agglutination test (mat), using formalin-fixed whole tachyzoites and mercaptoethanol. for each an ... | 2007 | 17140683 |
| worldwide occurrence of feline hemoplasma infections in wild felid species. | while hemoplasma infections in domestic cats are well studied, almost no information is available on their occurrence in wild felids. the aims of the present study were to investigate wild felid species as possible reservoirs of feline hemoplasmas and the molecular characterization of the hemoplasma isolates. blood samples from the following 257 wild felids were analyzed: 35 iberian lynxes from spain, 36 eurasian lynxes from switzerland, 31 european wildcats from france, 45 lions from tanzania, ... | 2007 | 17301277 |
| parasites of free-ranging small canids and felids in the bolivian chaco. | parasite surveys of free-ranging wildlife provide important information for monitoring population health. between march 2001 and march 2003, we sampled 10 ocelots (leopardus pardalis), eight geoffroy's cats (oncifelis geoffroyi), a jaguarundi (herpailurus yaguarondi), five pampas foxes (pseudalopex gymnocercus), and three crab-eating foxes (cerdocyon thous) at three sites in the bolivian chaco. the objective of the study was to survey the parasite fauna of these carnivores and compare prevalence ... | 2006 | 17312790 |
| measurement of thyroid hormones (thyroxine, t4; triiodothyronine, t3) in captive nondomestic felids. | the aim of this research was to obtain basic values for the evaluation of thyroid function in nondomestic felids. serum thyroid hormone concentrations (thyroxine, t4; triiodothyronine, t3) were measured by radioimmunoassay in 145 cats, representing nine species of captive nondomestic felids: jaguar (panthera onca), n = 49; puma (puma concolor), n = 10; ocelot (leopardus pardalis), n = 22; oncilla (leopardus tigrinus), n = 12; geoffroy (oncifelis geoffroyi), n = 4; jaguarundi (herpailurus yaguaro ... | 2007 | 17469287 |
| serosurvey of small carnivores in the bolivian chaco. | five species of bolivian carnivores, including nine geoffroy's cats (oncifelis geoffroyi), ten ocelots (leopardus pardalis), one jaguarundi (herpailurus yaguarondi), nine pampas foxes (pseudalopex gymnocercus), and five crab-eating foxes (cerdocyon thous) were sampled between march 2001 and april 2005 and tested for antibodies to common pathogens of domestic carnivores. carnivores were trapped in three areas: a village, the region between human settlements and a protected area, and within kaa-iy ... | 2007 | 17699100 |
| inter-species hybridization among neotropical cats of the genus leopardus, and evidence for an introgressive hybrid zone between l. geoffroyi and l. tigrinus in southern brazil. | natural hybrid zones between distinct species have been reported for many taxa, but so far, few examples involve carnivores or neotropical mammals in general. in this study, we employed mitochondrial dna (mtdna) sequences and nine microsatellite loci to identify and characterize a hybrid zone between two neotropical felids, leopardus geoffroyi and l. tigrinus, both of which are well-established species having diverged from each other c. 1 million years ago. these two felids are mostly allopatric ... | 2008 | 18785898 |
| survey of feline leukemia virus and feline coronaviruses in captive neotropical wild felids from southern brazil. | a total of 57 captive neotropical felids (one leopardus geoffroyi, 14 leopardus pardalis, 17 leopardus wiedii, 22 leopardus tigrinus, and three puma yagouaroundi) from the itaipu binacional wildlife research center (refúgio bela vista, southern brazil) were anesthetized for blood collection. feces samples were available for 44 animals, including one l. geoffroyi, eight l. pardalis, 14 l. wiedii, 20 l. tigrinus, and one p. yagouaroundi. total dna and rna were extracted from blood and feces, respe ... | 2009 | 19569487 |
| detection of bartonella spp. in neotropical felids and evaluation of risk factors and hematological abnormalities associated with infection. | although antibodies to bartonella henselae have been described in all neotropical felid species, dna has been detected in only one species, leopardus wiedii. the aim of this study was to determine whether dna of bartonella spp. could be detected in blood of other captive neotropical felids and evaluate risk factors and hematological findings associated with infection. blood samples were collected from 57 small felids, including 1 leopardus geoffroyi, 17 l. wiedii, 22 leopardus tigrinus, 14 leopa ... | 2010 | 19913372 |
| trichinella infection in wild animals from endemic regions of argentina. | natural infection with trichinella has been described in more than 150 mammalian species. however, few reports of trichinella infection in wild animals have come from argentina. in this study, muscle tissue was obtained from wild animals in argentina with the aim of evaluating the presence of trichinella. a total of 169 muscle samples were collected to determine the presence of trichinella larvae by artificial digestion. the 169 muscle samples originated from 12 species including 36 opossums (di ... | 2010 | 20424859 |
| serological survey of toxoplasma gondii in captive neotropical felids from southern brazil. | toxoplasma gondii is the causative intracellular protozoan of toxoplasmosis in human being and animals. members of the felidae family are considered the single definitive host for the infection; both wild and domestic cats are able to excrete oocysts in the environment. wild cats maintained in captivity may serve as source of infection for other clinically susceptible animals in the same environment. the aim of this study was to determine the frequency of t. gondii igg antibodies in 57 neotropic ... | 2010 | 20472340 |
| dna extraction from hair shafts of wild brazilian felids and canids. | wild felids and canids are usually the main predators in the food chains where they dwell and are almost invisible to behavior and ecology researchers. due to their grooming behavior, they tend to swallow shed hair, which shows up in the feces. dna found in hair shafts can be used in molecular studies that can unravel, for instance, genetic variability, reproductive mode and family structure, and in some species, it is even possible to estimate migration and dispersion rates in given populations ... | 2010 | 21174262 |
| mesocestoides sp. (eucestoda, mesocestoididae) parasitizing four species of wild felines in southern brazil. | leopardus colocolo, leopardus geoffroyi, leopardus tigrinus and puma yagouaroundi are wild feline species endangered mainly due to habitat destruction and vehicle run overs. seventeen felines hit on the roads were collected in southern brazil and examined for parasites. cestodes were identified as mesocestoides sp. the parasites were found in the small intestine of the hosts with a prevalence of 66.7% (l. colocolo and l. tigrinus), 60% (p. yagouaroundi) and 50% (l. geoffroyi). rodents and lizard ... | 2011 | 21722494 |
| exposure to selected pathogens in to selected pathogens in geoffroy's cats and domestic carnivores from central argentina. | wild carnivores share a high percentage of parasites and viruses with closely related domestic carnivores. because of increased overlap and potential contact with domestic species, we conducted a retrospective serosurvey for 11 common carnivore pathogens in 40 geoffroy's cats (leopardus geoffroyi) sampled between 2000 and 2008 within or near two protected areas in central argentina (lihué calel national park, la pampa, and campos del tuyú national park, buenos aires), as well as five domestic ca ... | 2012 | 23060491 |
| molecular and morphologic characterization of sarcocystis felis (apicomplexa: sarcocystidae) in south american wild felids from brazil. | wild felids are thought to share parasites with domestic cats. however, little is known of the coccidian parasites of wild felids. we investigated the presence of sarcocystis spp. in tissues of 6 species of 90 neotropical small felids killed in road accidents in the state of rio grande do sul, brazil by using microscopic and molecular techniques. formalin-fixed tissues from 28 felids were examined, and sarcocystis felis-like sarcocysts were detected in 4 wild cats (2 puma yagouaroundi and 2 leop ... | 2016 | 26827854 |
| toxoplasma gondii in free-ranging wild small felids from brazil: molecular detection and genotypic characterization. | brazil harbors the largest number of wild neotropical felid species, with ten of the twelve species recorded in the american continent. although these animals are considered to be definitive hosts for toxoplasma gondii, there are few descriptions of the parasite in these species. here, we performed a molecular detection of t. gondii by amplification of the marker its-1 from tissue samples obtained from 90 free-ranging wild small neotropical felids from rio grande do sul - brazil. of the sampled ... | 2013 | 23932730 |
| medium- and large-sized mammals in a steppic savanna area of the brazilian pampa: survey and conservation issues of a poorly known fauna. | the wildlife of the brazilian pampa is threatened by large-scale habitat loss, due in particular to the expansion of soybean cultivation and the conversion of grasslands areas into extensive areas of silviculture. it is essential to study how the mammal fauna copes with the highly fragmented, human-influenced, non-protected landscape. our study presents the results of a survey of the large- and medium-sized mammals of a typical human-influenced steppic savanna area of the pampa biome. the survey ... | 2016 | 26909626 |
| medium- and large-sized mammals in a steppic savanna area of the brazilian pampa: survey and conservation issues of a poorly known fauna. | the wildlife of the brazilian pampa is threatened by large-scale habitat loss, due in particular to the expansion of soybean cultivation and the conversion of grasslands areas into extensive areas of silviculture. it is essential to study how the mammal fauna copes with the highly fragmented, human-influenced, non-protected landscape. our study presents the results of a survey of the large- and medium-sized mammals of a typical human-influenced steppic savanna area of the pampa biome. the survey ... | 2016 | 26840582 |
| species-specific responses of carnivores to human-induced landscape changes in central argentina. | the role that mammalian carnivores play in ecosystems can be deeply altered by human-driven habitat disturbance. while most carnivore species are negatively affected, the impact of habitat changes is expected to depend on their ecological flexibility. we aimed to identify key factors affecting the habitat use by four sympatric carnivore species in landscapes of central argentina. camera trapping surveys were carried out at 49 sites from 2011 to 2013. each site was characterized by 12 habitat att ... | 2016 | 26950300 |
| molecular data reveal complex hybridization and a cryptic species of neotropical wild cat. | hybridization among animal species has recently become more recognized as an important phenomenon, especially in the context of recent radiations. here we show that complex hybridization has led to contrasting patterns of genomic composition among closely related species of the neotropical cat genus leopardus. we show strong evidence of ancient hybridization and introgression between the pampas cat (l. colocolo) and northeastern populations of tigrina (l. tigrinus), leading to remarkable cytonuc ... | 2013 | 24291091 |
| picobirnavirus in captive animals from uruguay: identification of new hosts. | the picobirnaviruses (pbvs) have been detected in several species of animals from different countries worldwide, including in south america. the host range of these viruses has increased in recent years; thus, in order to contribute to the knowledge in this topic we analyzed samples from captivity animals from uruguay. we found the presence of pbvs in four species of animals, panthera leo, panthera onca, puma concolor and oncifelis geoffroyi, representing new pbv-susceptible hosts. all strains b ... | 2013 | 22759924 |
| a molecular phylogeny of the felidae: immunological distance. | the phylogenetic distances between 34 of the 37 extant species of felidae were estimated using albumin immunological distances (aid). albumins from ten cat species were used to prepare antisera in rabbits. a consensus phylogeny was constructed from a matrix of reciprocal aid measurements using four distinct phylogenetic algorithms. a series of one-way measurements using the ten index antisera and those 24 species for which albumins were available (but antisera were not), permitted addition of th ... | 1985 | 28561961 |
| comparing hair-morphology and molecular methods to identify fecal samples from neotropical felids. | to avoid certain problems encountered with more-traditional and invasive methods in behavioral-ecology studies of mammalian predators, such as felids, molecular approaches have been employed to identify feces found in the field. however, this method requires a complete molecular biology laboratory, and usually also requires very fresh fecal samples to avoid dna degradation. both conditions are normally absent in the field. to address these difficulties, identification based on morphological char ... | 2017 | 28880947 |
| daily rhythmicity of behavior of nine species of south american feral felids in captivity. | the authors analyzed the daily activity rhythms of the domestic cat and of eight of the ten feral felid species that are indigenous to south america. all species showed daily rhythmicity of activity in captivity under a natural light-dark cycle. the robustness of the rhythmicity varied from species to species, but the grand mean of 34% was within the range of robustness previously described for mammalian species ranging in size from mice to cattle. there was not a sharp division between diurnal ... | 2017 | 28842189 |
| recurrent evolution of melanism in south american felids. | morphological variation in natural populations is a genomic test bed for studying the interface between molecular evolution and population genetics, but some of the most interesting questions involve non-model organisms that lack well annotated reference genomes. many felid species exhibit polymorphism for melanism but the relative roles played by genetic drift, natural selection, and interspecies hybridization remain uncertain. we identify mutations of agouti signaling protein (asip) or the mel ... | 2015 | 25695801 |
| serologic survey for leptospira spp. in captive neotropical felids in foz do iguaçu, paraná, brazil. | leptospirosis is a bacterial zoonosis of worldwide distribution and is endemic in tropical countries, where rodents and other wild mammals are abundant and may act as reservoirs. leptospirosis has become a concern in captive wild animals, due mostly to their exposure to contaminated urine or environment. although domestic cats (felis catus) have been reported refractory to leptospirosis, serology and disease in captive wild felids is still unclear. in this study 57 adult, clinically healthy feli ... | 2012 | 22779223 |
| comparative myology of the ankle of leopardus wiedii and l. geoffroyi (carnivora: felidae): functional consistency with osteology, locomotor habits and hunting in captivity. | leopardus wiedii (margay) is the only arboreal neotropical felid able to climb head-first down trees, due to its ability to rotate its tarsal joint 180°. a closely related, similar-sized species, l. geoffroyi (geoffroy's cat) exhibits more typical terrestrial habits and lacks the arboreal capabilities of l. wiedii. there is osteological evidence that supports a mechanical specialization of l. wiedii's tarsal joint for inversion, but there have been no studies on the myology of this specializatio ... | 2017 | 29329954 |
| small spotted bodies with multiple specific mitochondrial dnas: existence of diverse and differentiated tigrina lineages or species (leopardus spp: felidae, mammalia) throughout latin america. | we analysed two sets of mitochondrial (mt) dna data from tigrinas (traditionally, leopardus tigrinus) we sampled in costa rica, venezuela, colombia, ecuador, peru, bolivia, northwestern and northeastern argentina and southern brazil. additionally, the analysis included some genbank sequences from southern, central and northeastern brazil. the first mt set (mt atp8+mt 16s rrna with 41 tigrina) revealed the existence of seven different tigrina-like haplogroups. they could represent, at least, 4-6 ... | 2017 | 29157065 |
| development and evaluation of a duplex taqman qpcr assay for detection and quantification of trypanosoma cruzi infection in domestic and sylvatic reservoir hosts. | a question of epidemiological relevance in chagas disease studies is to understand trypanosoma cruzi transmission cycles and trace the origins of (re)emerging cases in areas under vector or disease surveillance. conventional parasitological methods lack sensitivity whereas molecular approaches can fill in this gap, provided that an adequate sample can be collected and processed and a nucleic acid amplification method can be developed and standardized. we developed a duplex qpcr assay for accurat ... | 2019 | 31783770 |
| trophic ecology of sympatric small cats in the brazilian pampa. | information about resource partitioning among small cat species that live in sympatry in south america is fairly incomplete. knowledge about feeding habits is essential for understanding the role of these predators in the environment, the impact on prey populations, and potential competition among themselves and with other carnivores. this study aimed to describe and compare the diet of four sympatric small cats in the grasslands of southern brazil. we analysed the stomach contents of 37 geoffro ... | 2018 | 30052676 |
| molecular and serological survey of the cat-scratch disease agent (bartonella henselae) in free-ranging leopardus geoffroyi and leopardus wiedii (carnivora: felidae) from pampa biome, brazil. | the genus bartonella comprises emerging bacteria that affect humans and other mammals worldwide. felids represent an important reservoir for several bartonella species. domestic cats are the main reservoir of bartonella henselae, the agent of cat scratch disease (csd). it can be transmitted directly by scratches and bites from infected cats and via cat fleas. this study aims to investigate the circulation of bartonella spp. in free-ranging neotropical wild felids from southern brazil using serol ... | 2020 | 32974747 |
| first record of lagochilascaris minor (nematoda: ascarididae) in leopardus geoffroyi (carnivora: felidae) in brazil. | lagochilascariasis is a parasitic disease caused by nematodes of the genus lagochilascaris. these parasites occur in the neotropical region and their definitive hosts are wild animals, domestic dogs and felids and, accidentally, humans. here, infection by lagochilascaris minor is recorded for the first time in a wild felid, in brazil. | 2020 | 31721930 |
| clavicle in carnivorans: a forgotten bone. | the clavicle is a bone whose development is related to the versatility of the thoracic limbs in mammals. studies with vestigial structures are scarce and controversial, especially in the order carnivora. the objective of this study was to verify the presence and to investigate the shape and constitution of the clavicle in neotropical carnivores. in order to do this, 108 cadavers of 19 different species were collected dead on highways and were analyzed. the clavicles were submitted to dissections ... | 2020 | 31633876 |
| skeletopy of the intumescentia lumbalis and conus medullaris applied to epidural anaesthesia in leopardus geoffroyi. | leopardus geoffroyi is a neotropical wild felid with wide distribution in the south of the south american continent. the objective was to investigate the skeletopy of the intumescentia lumbalis (il) and conus medullaris (cm) from 11 specimens of l. geoffroyi collected dead on highways. | 2020 | 31282550 |
| toxocariasis in carnivora from argentinean patagonia: species molecular identification, hosts, and geographical distribution. | twenty four specimens of seven species belonging to the families felidae, mustelidae, and canidae were obtained in lanín and nahuel huapi national parks from march 1996 to april 2016. specimens were processed by necropsy in order to contribute to the knowledge of toxocariasis in wild carnivores of argentinean patagonia. the only puma concolor and the seven leopardus geoffroyi were positive for toxocara cati. polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) of the its ... | 2018 | 29988800 |
| a novel genotype and first record of trypanosoma lainsoni in argentina. | trypanosomes are a group of parasitic flagellates with medical and veterinary importance. despite many species having been described in this genus, little is known about many of them. here, we report a genetic and morphological characterization of trypanosomatids isolated from wild mammals from the argentine chaco region. parasites were morphologically and ultrastructurally characterized by light microscopy and transmission electron microscopy. additionally, 18s rrna and ggapdh genes were sequen ... | 2020 | 32899895 |
| dioctophyme renale (nematoda: dioctophymatidae) in leopardus geoffroyi (carnivora: felidae) in the neotropical region. | parasitic diseases affecting wild carnivores remain largely unknown or poorly described. dioctophymosis is a parasitosis caused by the nematode dioctophyme renale that is found worldwide. it affects domestic and wild animals and has been reported frequently in brazil. this paper reports dioctophymosis in a wild felid for the first time. | 2019 | 29466503 |