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Revista Brasileira de Parasitologia Veterinária
Scopus
ISSN 0103-846X · Colégio Brasileiro de Parasitologia Veterinária · 1.609 artikel di indeks
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Molecular identification of Raillietina echinobothrida (Davaineidae) from domestic chickens in the Fergana Valley, Uzbekistan
Abstract Raillietina species are among the most common cestodes of backyard chickens, but their morphological similarity complicates reliable species-level identification. This study aimed to identify Raillietina echinobothrida from domestic chickens (Gallus gallus domesticus) in the Fergana…
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Survey of endoparasites in Chelonoidis carbonarius and Chelonoidis denticulatus kept at the zoo of the Jungle Warfare Training Center (CIGS), Central Amazon
Abstract The genus Chelonoidis tortoises are terrestrial reptiles susceptible to gastrointestinal endoparasites, mainly due to improper management. The present study aims to analyze the frequency of gastrointestinal parasites detected in samples from Chelonoidis carbonarius and Chelonoidis…
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Ascaridia pavo n. sp. (Nematoda: Ascaridida), a new species of nematode in peafowl
Abstract A new Ascaridiidae has been found parasitizing Pavo cristatus, an exotic bird bred on a commercial farm in the Pará Amazon. The new species of Ascaridia Dujardin, 1845 is described on the basis of light and scanning microscopy findings. Morphologically, the new species shares…
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Temporal dynamics in the parasite communities of corocoro grunt Orthopristis rubra (Actinopterygii: Haemulidae) from Sepetiba Bay, southeastern Brazil: a comparative study from 1991 to 2024
Abstract This study investigated the temporal dynamics of metazoan parasite communities of the corocoro grunt Orthopristis rubra (Haemulidae) from State of Rio de Janeiro, Sepetiba Bay, southeastern Brazil, comparing samples collected in 1991–1992, 2011–2012, and 2022–2024. A total of 180 fish were…
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Detection of the emerging tick-borne pathogen, Tamdy virus, in Dermacentor marginatus ticks, southeastern Türkiye
Abstract Tamdy virus (TAMV) is an emerging tick-borne virus in the family Nairoviridae, identified as a human pathogen causing febrile illness after tick exposure. This study aimed to detect and characterise TAMV in ticks collected from non-endemic regions of Türkiye. A total of 529 ticks were…
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Ocimum micranthum essential oil as a sustainable phytotherapeutic alternative against Haemonchus contortus
Abstract This study is the first to evaluate the anthelmintic activity of Ocimum micranthum essential oil against Haemonchus contortus. The oil was chemically characterized using gas chromatography–mass spectrometry. Anthelmintic activity was assessed using the egg hatching test (EHT), larval…
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Influence of water temperature, sedimentation and fecal refrigeration times on the recovery of Dictyocaulus viviparus larvae by two diagnostic techniques
Abstract Bovine dictyocaulosis, caused by Dictyocaulus viviparus, is a respiratory infection that leads to economic losses in livestock farming. The objective of this study was to compare two techniques for the diagnosis of D. viviparus. Residual fecal samples from routine diagnostics known to be…
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Efficacy, toxicity and histopathological analysis of Astrocaryum aculeatum oil solid lipid nanoparticles on Colossoma macropomum infected by parasitic dactylogyrideans
Abstract This study investigated the efficacy of Astrocaryum aculeatum fixed oil solid lipid nanoparticles (SLNs) on dactylogyridean parasites of Colossoma macropomum gills and effects on hematology and gill histology. The main fatty acid component of A. aculeatum oil was oleic acid (68.0%). Among…
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Infestation by Ornithodoros rietcorreai on captive Boa constrictor with reports of human parasitism and environmental colonization
Abstract Reptiles of the order Squamata are commonly parasitized by ticks in the family Ixodidae. However, they can also host argasid ticks of the genus Ornithodoros. In this study, we reported Ornithodoros rietcorreai parasitizing a Boa constrictor and a human in Caatinga Zoobotanical Park, within…
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Localized demodicosis associated with Demodex canis and Demodex cornei infestation in a dog from Mexico
Abstract Canine demodicosis is a cutaneous parasitic disease caused by excessive proliferation of mites of the genus Demodex. This study reports a case of localized demodicosis associated with a concurrent infestation by Demodex canis and Demodex cornei in an adult mixed-breed female dog from the…
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Morphological aspects of the skin in felines with leishmaniasis: a histopathological study
Abstract Felines are susceptible toLeishmaniaspp. infection in endemic areas; however, histopathological studies on the organs of infected felines remain scarce. This study evaluated the inflammatory response and cutaneous parasitism in 13 naturally infected felines in Teresina, Piauí, Brazil…
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Efficacy of selenium- and tellurium-based organocompounds against ruminant gastrointestinal nematodes in vitro
Abstract Gastrointestinal nematode (GIN) infections significantly impact the health of ruminants. The indiscriminate use of anthelmintics contributes to the selection of drug-resistant parasites. Compounds containing selenium (Se) and tellurium (Te) have emerged as promising alternatives. This…
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New records of tick-host mammal interactions (Acari: Ixodidae) in two conservation units of the Brazilian Amazon
Abstract Ticks are ectoparasites of major public and veterinary health importance, and identifying their vertebrate hosts is crucial for recognizing pathogen reservoirs. This study investigated tick–wild mammal associations in two areas of the Brazilian Amazon. Between 2021 and 2023, wild mammals…
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Helminth parasites of characiform fishes from farming systems in the states of Acre and Maranhão, Western Amazonia and Northeastern regions, Brazil
Abstract Aquaculture has been recognized as one of the main solutions to the growing global food demand, as well as a significant resource for addressing the limitations imposed on wild fisheries. The most important fish species for Brazilian fish farming is Colossoma macropomum due to its…
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First report of anti-Toxoplasma gondii antibodies in the sand-dune tuco-tuco (Ctenomys flamarioni) from southern Brazil
Abstract The subterranean rodent Ctenomys flamarioni is an endemic species threatened by the proximity to anthropogenic environments, a factor that increases its contact with domestic animals. The protozoan Toxoplasma gondii is of particular concern because its definitive hosts include domestic and…
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Two new species of Protomicrocotyle Johnston & Tiegs, 1922 (Monogenea: Protomicrocotylidae) parasites of Caranx hippos (Linnaeus, 1776) (Carangiformes: Carangidae), from Tecolutla, Veracruz, Mexico
Abstract Two new species of Protomicrocotyle are described as parasites of the gill filaments of Caranx hippos from the Gulf of Mexico coast, characterized using morphological, morphometric, and molecular methods. Multivariate statistics (principal component and discriminant analyses) were used for…
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A new species of Dichelyne (Nematoda: Cucullanidae) parasitizing fish of the family Pimelodidae in the Amazon estuary, northern Brazilian coast
Abstract A new cucullanid, Dichelyne (Dichelyne) jutubensis n. sp., collected from the intestine of Propimelodus eigenmanni (Van der Stigchel, 1946), from the Amazon estuary on the northern coast of Brazil, is described based on light and scanning electron microscopy. The prevalence of infection…
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Next-generation molecular tools in veterinary parasitology: advances, challenges, and perspectives in the diagnosis of emerging parasites
Abstract Advances in molecular technologies have revolutionized veterinary parasitology, providing highly sensitive and specific tools for the detection, characterization, and surveillance of parasites in domestic and wildlife species. Approaches such as next-generation sequencing, metabarcoding…
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Morphological remodeling of canine lymphocytes in Ehrlichia canis infection: quantitative analysis by scanning electron microscopy and fractal dimension
Abstract This study aimed to quantitatively assess morphological surface changes in lymphocytes from dogs naturally infected withEhrlichia canisusing scanning electron microscopy (SEM), fractal dimension analysis, and nucleus-to-cytoplasm (NC) ratio determination. Thirty dogs (infected group, n=15…
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Phenotypic assessment of resistance in a flock of Pelibuey lambs experimentally infected with Haemonchus contortus
Abstract The aim of this study was to determine the phenotypic variables commonly evaluated to segregate Pelibuey lambs as resistant or susceptible to Haemonchus contortus infection. Twenty-one lambs were infected over 3 consecutive weeks with 200 larvae per kg of body weight. The lambs were…
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