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AbstractFull Text

The present study evaluated the behavior of Rhipicephalus microplus naturally infesting Brangus cattle raised with Nellore animals in the municipality of Água Clara, state of Mato Grosso do Sul, Central Brazil. For the field experiment composed of a group with 15 Brangus animals and 15 Nellore...

Author(s)
Andreotti, R.; Barros, J. C.; Garcia, M. V.; Rodrigues, V. da S.; Higa, L. de O. S.; Duarte, P. O.; Blecha, I. M. Z.; Bonatte-Junior, P.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2018, 39, 3, pp 1099-1113
Abstract

The objective of the present study was to evaluate the performance of Brangus and Nellore cattle in an extensive production system. Sixty growing bulls, 30 of the Brangus and 30 of the Nellore breeds that were naturally infested with Rhipicephalus microplus were subdivided into four groups: control ...

Author(s)
Bonatte Junior, P.; Rodrigues, V. da S.; Garcia, M. V.; Higa, L. de O. S.; Zimmermann, N. P.; Barros, J. C.; Andreotti, R.
Publisher
Springer, Amsterdam, Netherlands
Citation
Experimental and Applied Acarology, 2019, 78, 4, pp 565-577
Abstract

The objective of this work was to evaluate the efficacy of two cypermethrin- and chlorpyrifos-based acaricides in controlling Rhipicephalus microplus in a naturally infested bovine herd and in in vitro tests, as well as to monitor the animals for tick fever. Male bovines in the rearing phase were...

Author(s)
Rodrigues, V. da S.; Bonatte Júnior, P.; Garcia, M. V.; Higa, L. de O. S.; Piña, F. T. B.; Zimmermann, N. P.; Duarte, P. O.; Barros, J. C.; Andreotti, R.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology: Regional Studies and Reports, 2018, 12, pp 43-48
AbstractFull Text

The profitability of livestock activities can be diminished significantly by the effects of parasites. Economic losses caused by cattle parasites in Brazil were estimated on an annual basis, considering the total number of animals at risk and the potential detrimental effects of parasitism on ...

Author(s)
Grisi, L.; Leite, R. C.; Martins, J. R. de S.; Barros, A. T. M. de; Andreotti, R.; Cançado, P. H. D.; León, A. A. P. de; Pereira, J. B.; Villela, H. S.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Parasitology, 2014, 23, 2, pp 150-156
Abstract

Background: Vaccination as a control method against the cattle tick, Rhipicephalus (Boophilus) microplus has been practiced since the introduction of two products in the mid-1990s. There is a need for a vaccine that could provide effective control of R. microplus in a more consistent fashion than...

Author(s)
Guerrero, F. D.; Andreotti, R.; Bendele, K. G.; Cunha, R. C.; Miller, R. J.; Yeater, K.; León, A. A. P. de
Publisher
BioMed Central Ltd, London, UK
Citation
Parasites and Vectors, 2014, 7, 475, pp (12 October 2014)
AbstractFull Text

Herein, we report tick species found on wild and domestic animals and in the environment during a one-year sampling period at the Brazilian Farming Research Company beef cattle unit (Embrapa Beef Cattle), which is located within the urban area of Campo Grande, Mato Grosso do Sul, Brazil. From 55...

Author(s)
Garcia, M. V.; Silva, D. C. da; Almeida, R. F. C. de; Cunha, R. C.; Matias, J.; Barros, J. C.; Andreotti, R.; Szabó, M. P. J.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Revista Brasileira de Parasitologia Veterinária, 2013, 22, 1, pp 124-128
Abstract

Neosporosis is a disease caused by the apicomplexan parasite Neospora caninum, which is closely related to Toxoplasma gondii. N. caninum infection represents an important cause of reproductive failure in sheep, goats, horses, and cattle worldwide. The diagnosis of neosporosis is based on the...

Author(s)
Sá, G. L. de; Pacheco, D. de B.; Monte, L. G.; Sinnott, F. A.; Xavier, M. A.; Rizzi, C.; Borsuk, S.; Berne, M. E. A.; Andreotti, R.; Hartleben, C. P.
Publisher
Springer, New York, USA
Citation
Current Microbiology, 2014, 68, 4, pp 472-476
AbstractFull Text

The southern cattle fever tick, Rhipicephalus (Boophilus) microplus, is no doubt the most economically important ectoparasite of cattle globally. The inappropriate use of chemical acaricides has driven the evolution of resistance in populations of R. (B.) microplus. Anti-tick vaccines represent a...

Author(s)
Cunha, R. C.; León, A. A. P. de; Leite, F. P. L.; Pinto, L. da S.; Santos Júnior, A. G. dos; Andreotti, R.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Revista Brasileira de Parasitologia Veterinária, 2012, 21, 3, pp 254-262
Abstract

To estimate the prevalence of bovine neosporosis in the 22 municipalities of the so-called Estrato 1 subregion of the Brazilian state of Mato Grosso do Sul, blood samples were collected from cows aged 24 months and older, from December 2003 to March 2004. During sample collection, a questionnaire...

Author(s)
Oshiro, L. M.; Matos, M. de F. C.; Oliveira, J. M. de; Monteiro, L. A. R. C.; Andreotti, R.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Revista Brasileira de Parasitologia Veterinária, 2007, 16, 3, pp 133-138
Abstract

A review on serological methods of diagnosing neosporosis in cattle with special reference to conditions in Brazil.

Author(s)
Andreotti, R.; Cepa Matos, M. de F.; Oliveira, J. M. de; Locattelli-Dittrich, R.
Publisher
Embrapa Gado de Corte, Campo Grande, Brazil
Citation
Comunicado Técnico - Embrapa Gado de Corte, 2004, No.86, pp 5 pp.

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