Publications

TitleAbstractYear
Filter
PMID
Filter
ultrasonographic anatomy of the healthy southern tigrina ( leopardus guttulus) abdomen: comparison with domestic cat references.objectives the aim of the study was to describe the normal abdominal echoanatomy of the tigrina and to compare it with the abdominal echoanatomy of the domestic cat. reference intervals for the normal abdominal ultrasonographic anatomy of individual species are important for accurate diagnoses and interpretation of routine health examinations. the hypothesis was that the echoanatomy of the tigrina was similar to that of the domestic cat. methods eighteen clinically healthy tigrina were selected ...201726620650
home range and density of three sympatric felids in the southern atlantic forest, brazil.home range and minimal population densities of southern tiger cat (leopardus guttulus), margay (lepardus wiedii) and jaguarundi (puma yagouaroundi) were estimated between 2005 and 2006 in taquari valley, near the southern edge of the atlantic rainforest in brazil. home range data were collected by conventional radio telemetry (vhf) locations in a highly fragmented landscape. the average home range size, calculated using 95% kernel density estimates, was 16.01 km2 for southern tiger cat, 21.85 km ...201626871745
comparative assessment of genetic and morphological variation at an extensive hybrid zone between two wild cats in southern brazil.increased attention towards the neotropical cats leopardus guttulus and l. geoffroyi was prompted after genetic studies identified the occurrence of extensive hybridization between them at their geographic contact zone in southern brazil. this is a region where two biomes intersect, each of which is associated with one of the hybridizing species (atlantic forest with l. guttulus and pampas with l. geoffroyi). in this study, we conducted in-depth analyses of multiple molecular markers aiming to c ...201425250657
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 ...201324291091
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 ...201626827854
absence of parvovirus shedding in feces of threatened carnivores from misiones, argentina.since its emergence in the 1970s, canine parvovirus (cpv) has spread worldwide and infects a wide variety of mammalian hosts, including domestic and nondomestic carnivores. today it is one of the most important pathogenic viruses associated with high morbidity and mortality in domestic dogs ( canis familiaris). in south america, the range of wild hosts has been scarcely studied and the epidemiology of cpv in wildlife is still unclear. in 2011, feces from five wild carnivores (bush dog [ speothos ...201830592932
first identification and molecular phylogeny of sparganum proliferum from endangered felid (panthera onca) and other wild definitive hosts in one of the regions with highest worldwide biodiversity.after decades of being neglected, broad tapeworms now attract growing attention thanks to the increasing number of reports from humans but also thanks to many advancements achieved by application of molecular methods in diagnosis and epidemiological studies. regarding sparganosis, unfortunately general uniformity of most species, their high intraspecific variability and lack of agreement among researchers has led to confusion about the classification of spirometra/sparganum species. for the firs ...202033083226
gastrointestinal parasites among felids inhabiting the serra dos órgãos national park, rio de janeiro, brazil.this study aimed to investigate the species of felids that inhabit the serra dos órgãos national park (parnaso) and gastrointestinal parasites at various stages of their life cycles in the feces of these animals. between 2013 and 2015, felid feces were collected from trails in parnaso. the sampling points were georeferenced. a total of 82 fecal samples were processed, of which 79 were collected on the ground, two from captured felids and one from a necropsied animal. all samples underwent coprop ...201929846454
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 ...202032807197
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 ...201729157065
evolution: a new cat species emerges.the complex ongoing process of species development is highlighted by the description of a new felid species, leopardus guttulus, from brazil. broad molecular genetic assessments affirm reproductive isolation and separation in nature, the hallmark of species recognition.201324355788
the use of altrenogest to avoid hyperestrogenism after ecg-hcg ovulation induction in southern tigrina (leopardus guttulus).the goal of this study was to optimize an ovulation induction protocol for use with artificial insemination in the southern tigrina (leopardus guttulus). the specific aims were to report the efficacy of using altrenogest, an oral progestin (regumate, msd animal health, merck animal health), to suppress ovarian activity and prevent follicular hyperstimulation and hyperestrogenism after the administration of exogenous ecg and hcg. to monitor ovarian responses, fecal estrogen and progestogen metabo ...201526001599
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 ...201728842189
Displaying items 1 - 13 of 13