Results 61 to 70 of about 1,049 (163)

Rickettsiae-infected Ticks in an Endemic Area of Spotted Fever in the State of Minas Gerais, Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1997
A study on tick-borne rickettsiosis was developed in the county of Santa Cruz do Escalvado, State of Minas Gerais, Brazil, where a clinical case of the disease, confirmed by necropsy, had been reported. Of the 1,254 ticks collected, 1,061 belonged to the
Elba Regina Sampaio de Lemos   +5 more
doaj   +1 more source

Parasitismo humano por carrapatos na Mata Atlântica, Rio de Janeiro, Brasil.

open access: yesEntomoBrasilis, 2011
Entre janeiro de 1997 e dezembro de 2007 foi realizada uma investigação epidemiológica objetivando identificar casos de parasitismo por carrapatos em humanos na comunidade que invadiu e está ocupando Área de Proteção Ambiental – (APA), entre o “Parque ...
Nicolau Maués Serra-Freire   +2 more
doaj   +4 more sources

DISTRIBUIÇÃO, DIVERSIDADE E SAZONALIDADE DE CARRAPATOS EM AMBIENTES INSTITUCIONAIS COM DIFERENTES GRAUS DE INTERVENÇÃO HUMANA NO ESTADO DO RIO DE JANEIRO, BRASIL

open access: yesBrazilian Journal of Veterinary Medicine, 2014
Este estudo avalia a distribuição, a diversidade e a flutuação sazonal de carrapatos, capturados por meio de três técnicas, em cinco áreas institucionais com diferentes características ecoló- gicas e de intervenção humana, no estado do Rio de Janeiro ...
Andrea Kill Silveira   +1 more
doaj  

Rickettsia amblyommii infecting Amblyomma sculptum in endemic spotted fever area from southeastern Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 2015
The Rickettsia bacteria include the aetiological agents for the human spotted fever (SF) disease. In the present study, a SF groupRickettsia amblyommii related bacterium was detected in a field collected Amblyomma sculptum (Amblyomma cajennense species ...
Emília de Carvalho Nunes   +7 more
doaj   +1 more source

More about the role of 2,6-dichlorophenol in tick courtship: identification and olfactometer bioassay in Amblyomma cajennense and Rhipicephalus sanguineus

open access: yesMemorias do Instituto Oswaldo Cruz, 2008
This study aimed to identify 2,6-dichlorophenol (2,6-DCP) in Amblyomma cajennense and to evaluate its role in A. cajennense and Rhipicephalus sanguineus courtship.
Carla Cristina Braz Louly   +5 more
doaj   +1 more source

Study of the Weight of Eggs from Six Ixodid Species from Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 1997
Eggs from engorged females of six ixodidae species (Ixodes loricatus, Amblyomma rotundatum, A. cajennense, Haemaphysalis leporis-palustris, Boophilus microplus, Dermacentor nitens) maintained in laboratory were counted to calculate the number and mean ...
Marcelo Bahia Labruna   +2 more
doaj   +1 more source

Babesia spp. infection in dogs from rural areas of São Paulo State, Brazil Infecção por Babesia spp. em cães de áreas rurais do estado de São Paulo, Brasil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2009
The status of Babesia spp. infection in dogs from rural areas of São Paulo State, Brazil was studied. For this, 150 animals were examined by blood smears and by PCR; the presence of tick infestation was also investigated.
Lucia Helena O'Dwyer   +4 more
doaj   +1 more source

Ticks on birds in a savanna (Cerrado) reserve on the outskirts of Uberlândia, Minas Gerais, Brazil Carrapatos em aves de uma reserva do Cerrado na periferia de Uberlândia, Minas Gerais, Brasil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2013
We report tick infestations on birds, in the environment and on domestic animals in a non-forested phytophysiognomy, the savanna-like Cerrado sensu stricto, in a natural reserve on the outskirts of the urban area of Uberlândia, Minas Gerais, Brazil.
Jamile de Oliveira Pascoal   +7 more
doaj  

Amblyomma cajennense (fabricius, 1787) (Acari: ixodidae) en los Estados Aragua y Cojedes, Venezuela

open access: yesRevista Científica, 2010
El objetivo de la presente comunicación es la de señalar por primera vez la presencia de Amblyomma cajennense en los estados Aragua y Cojedes. La muestra procesada e identificada estuvo representada por 14 ejemplares de la garrapata: seis de ellas ...
Elena Moissant de Román   +2 more
doaj  

Biological parameters of larvae, nymphs, and engorged females of Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae) obtained from artificial and successive infestations on Oryctolagus cuniculus (Linnaeus, 1758) (Lagomorpha: Ochotonidae) Parâmetros biológicos de larvas, ninfas e fêmeas ingurgitadas de Amblyomma cajennense (Fabricius, 1787) (Acari:Ixodidae) obtidas de infestações artificiais e sucessivas em Oryctolagus cuniculus (Lagomorpha:Ochotonidae)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2009
The development of acquired resistance to Amblyomma cajennense ticks was evaluated. A total of 18 rabbits were uniformly distributed into three groups named GL, GN, and GA that were submitted to three consecutive infestations with, respectively, larvae ...
C.M.V. Freitas   +3 more
doaj   +1 more source

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