Search Results - "Souza, Ugo"
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First report of fluazuron resistance in Rhipicephalus microplus: a field tick population resistant to six classes of acaricides
Published in Veterinary parasitology (17-03-2014)“…The control of the cattle tick Rhipicephalus microplus is based mainly on the use of chemical acaricides, which has contributed to the emerging problem of…”
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Multiple resistance to acaricides in field populations of Rhipicephalus microplus from Rio Grande do Sul state, Southern Brazil
Published in Ticks and tick-borne diseases (01-01-2017)“…Acaricide resistance is a major obstacle to the control of Rhipicephalus microplus. Historically, the indiscriminate use of chemical compounds has contributed…”
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3
Rickettsia amblyommatis-infected Amblyomma coelebs parasitizing a human traveler in Rio Grande do Sul, southern Brazil, after returning from the Amazon
Published in Travel medicine and infectious disease (01-07-2022)“…With increased national and international transportation, humans as well as domestic and wild animals are able to get from one end to the other within hours,…”
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Comparative study between Larval Packet Test and Larval Immersion Test to assess the effect of Metarhizium anisopliae on Rhipicephalus microplus tick larvae
Published in Experimental & applied acarology (01-04-2018)“…Entomopathogenic fungi, such as Metarhizium anisopliae , for the control of arthropods, have been studied for more than 20 years. The aim of this study was to…”
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Spotted Fever Group Rickettsia in the Pampa Biome, Brazil, 2015-2016
Published in Emerging infectious diseases (01-11-2016)Get full text
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Dirofilaria immitis and Onchocercidae spp. in wild felids from Brazil
Published in Parasitology research (1987) (01-04-2024)“…Among the species described within the Onchocercidae family, Dirofilaria immitis is regarded as the most common worldwide, causing severe and often fatal…”
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Detection of Bartonella sp. and a novel spotted fever group Rickettsia sp. in Neotropical fleas of wild rodents (Cricetidae) from Southern Brazil
Published in Comparative immunology, microbiology and infectious diseases (01-12-2020)“…•Here, we investigated the pathogens in fleas 61 from 350 Neotropical rodents.•Five genotypes of Bartonella sp. were identified in two species of fleas.•A…”
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Post-mortem detection of hemoplasmas (hemotropic Mycoplasma spp.) in South American fur seal (Arctocephalus australis) sampled in Rio Grande do Sul State, southern Brazil
Published in Comparative immunology, microbiology and infectious diseases (01-06-2024)“…Hemotropic mycoplasmas are bacteria that attaches to erythrocytes surface, which some species presents zoonotic concerns. In the suborder Pinnipedia, genera…”
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Integrated control of an acaricide-resistant strain of the cattle tick Rhipicephalus microplus by applying Metarhizium anisopliae associated with cypermethrin and chlorpyriphos under field conditions
Published in Veterinary parasitology (30-01-2015)“…•The ability of Metarhizium anisopliae to control ticks has been investigated.•M. anisopliae was efficient against an acaricide-resistant tick strain in the…”
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First molecular detection of Mycoplasma ovis (Hemotropic mycoplasmas) from Sheep in Brazil
Published in Revista brasileira de parasitologia veterinaria (01-07-2019)“…Mycoplasma ovis is an emerging zoonotic pathogen with a worldwide distribution and can cause mild to severe hemolytic anemia, icterus, and poor weight gain in…”
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Serosurvey of West Nile virus (WNV) in free-ranging raptors from Brazil
Published in Brazilian journal of microbiology (01-03-2021)“…West Nile virus (WNV) is a mosquito-borne Flavivirus that can affect birds, horses, and humans, and is the only zoonotic Flavivirus that has been identified in…”
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Detection of Rangelia vitalii (Piroplasmida: Babesiidae) in asymptomatic free-ranging wild canids from the Pampa biome, Brazil
Published in Parasitology research (1987) (01-04-2019)“…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…”
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Genomic analysis on Brazilian strains of Anaplasma marginale
Published in Revista brasileira de parasitologia veterinaria (01-01-2021)“…Abstract Anaplasma marginale is a vector-borne pathogen that causes a disease known as anaplasmosis. No sequenced genomes of Brazilian strains are yet…”
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Ticks, mites, fleas, and vector-borne pathogens in free-ranging neotropical wild felids from southern Brazil
Published in Ticks and tick-borne diseases (01-07-2021)“…The study of vectors and vector-borne diseases associated with ectoparasites from free-living Neotropical small wild felids is scarce, and the few existing…”
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Molecular survey of hemotropic mycoplasmas in crab-eating raccoons (Procyon cancrivorus) in southern Brazil
Published in Revista brasileira de parasitologia veterinaria (01-01-2023)“…Hemoplasmas are non-cultivable bacterial parasites of erythrocytes that infect domestic and wild animals, as well as humans. Their means of transmission and…”
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Epidemiological compatibility of Amblyomma sculptum as possible vector and Panthera onca as reservoir of Cytauxzoon spp. in Midwestern Brazil
Published in Ticks and tick-borne diseases (01-11-2022)“…•Absence of Cytauxzoon sp. in wild felids in a locality with the absence of the possible vector Amblyomma sculptum;.•High occurrence of Cytauxzoon spp. in wild…”
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Does Rhipicephalus microplus tick infestation increase the risk for myiasis caused by Cochliomyia hominivorax in cattle?
Published in Preventive veterinary medicine (01-01-2014)“…The larval phase of Cochliomyia hominivorax (screwworm) is an obligate parasite of vertebrate animals, particularly mammals, and widespread in South America,…”
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Clinical Findings Associated with Ornithodoros brasiliensis Tick Parasitism in Travelers, Southern Brazil
Published in Wilderness & environmental medicine (01-12-2019)“…We report a series of clinical cases associated with parasitism by the Ornithodoros brasiliensis tick in a group of travelers in the Caxias do Sul…”
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Borrelia burgdorferi sensu lato in Ixodes longiscutatus ticks from Brazilian Pampa
Published in Ticks and tick-borne diseases (01-10-2017)“…Borrelia burgdorferi sensu lato (s.l.) complex includes the agents of Lyme disease/borreliosis in North America, Europe, and Asia, such Borrelia burgdorferi…”
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Pupipara (Diptera, Hippoboscidae) in wild birds attended at a rehabilitation center in southern Brazil
Published in Revista brasileira de parasitologia veterinaria (01-04-2019)“…The hippoboscids are cosmopolitan permanent obligate hematophagous ectoparasites of birds, domestic and wild mammals and, occasionally, humans. Some species…”
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