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Risk factors to tick infestations and their occurrence on horses in the state of São Paulo, Brazil.
Experimental infection of Rhipicephalus sanguineus ticks with the bacterium Rickettsia rickettsii, using experimentally infected dogs.
- E. M. Piranda, J. L. Faccini, A. Pintér, R. Pacheco, P. H. Cançado, M. Labruna
- Biology, MedicineVector borne and zoonotic diseases
- 24 January 2011
We evaluated if Rickettsia rickettsii-experimentally infected dogs could serve as amplifier hosts for hipicephalus sanguineus ticks. In addition, we checked if Rh. sanguineus ticks that acquired Ri.…
Redescription of Amblyomma varium Koch, 1844 (Acari: Ixodidae) based on light and scanning electron microscopy
The morphological study showed that the dental formula pattern for males and females is 3/3 and 4/4, respectively, indicating that the length of the spurs on coxa IV is likely to be an intraspecifically polymorphic character of this species.
The sex ratio of Amblyomma cajennense (Acari: Ixodidae) with notes on the male feeding period in the laboratory.
Spatial distribution and impact of cattle-raising on ticks in the Pantanal region of Brazil by using the CO2 tick trap
- P. H. Cançado, E. M. Piranda, G. Mourão, J. L. Faccini
- Environmental ScienceParasitology Research
- 3 May 2008
The higher number of ticks found in the NR in comparison to the PA is not due to the presence of cattle itself but probably due to introduced dogs and horses, habitat alteration.
Life Cycle of the Tick Haemaphysalis Leporis-palustris (Acari: Ixodidae) Under Laboratory Conditions
The life cycles of two separate populations of the rabbit tick, Haemaphysalis leporis-palustris, were studied under laboratory conditions and Females fed S. brasiliensis were more successful to lay fertile eggs and showed the highest engorged and egg mass weights, and the highest CEIs.
Brazilian distribution of Amblyomma varium Koch, 1844 (Acari: Ixodidae), a common parasite of sloths (Mammalia: Xenarthra).
- S. Marques, D. Barros-Battesti, J. L. Faccini, V. Onofrio
- BiologyMemorias do Instituto Oswaldo Cruz
- 1 December 2002
Based on the material examined, the states of Rond nia, Amazonas, Bahia and Alagoas are newly assigned to geographic distribution of A. varium in Brazil.
Life cycle of Ornithodoros rostratus (Acari: Argasidae) under experimental conditions and comments on the host-parasite relationship in the Pantanal wetland region, Brazil
- C. C. Ribeiro, J. L. Faccini, P. H. Cançado, E. M. Piranda, D. Barros-Battesti, R. C. Leite
- BiologyExperimental and Applied Acarology
- 1 March 2013
Evaluated life cycle parameters of O. rostratus based on ticks collected in the Pantanal wetland region of the state of Mato Grosso do Sul, Brazil, using domestic rabbits as experimental hosts found five or six nymphal instars were found.
Candidatus Rickettsia andeanae, a spotted fever group agent infecting Amblyomma parvum ticks in two Brazilian biomes
Adult ticks of the species Amblyomma parvum were collected from the vegetation in the Pantanal biome (state of Mato Grosso do Sul) and from horses in the Cerrado biome (state of Piauí) in Brazil. The…