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AbstractFull Text

Rhipicephalus (Boophilus) microplus infestation is responsible for significant economic losses in cattle industry. The use of acaricides at strategic times and selection of resistant animals can minimize economic losses. This study aimed to determine the anatomical distribution and population...

Author(s)
Neves, A. H. F. M.; Vidotto, O.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2018, 39, 3, pp 1077-1089
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
AbstractFull Text

The dermatobiosis is a parasitic disease of mammals and terrestrial birds caused by the larvae of Dermatobia hominis (Berne) resulting in serious damage to cattle livestock, especially involving the leather productivity of meat and milk. The objective of this work was to verify the presence of D....

Author(s)
Aguiar, G. B.; Dias, A. S.; Sobreira, R. R.; Melotti, V. D.
Publisher
Universidade Estadual do Ceará, Faculdade de Veterinaria, Ceará, Brazil
Citation
Ciência Animal, 2018, 28, 2, pp 50-58
Abstract

The Rhipicephalus (Boophilus) microplus is the main cattle tick, responsible for large losses in Brazilian cattle. Control of R. (B.) microplus relies almost exclusively on the use of chemicals. But increasingly this species of tick has shown resistance to products used mainly by the poor use of...

Author(s)
Silveira Neto, O. J. da; Taveira, R. Z.; Amaral, A. das G.; Martins, T. R.; Oliveira, B. C. de
Publisher
Fedearl University of Ceará, Fortaleza, Brazil
Citation
Revista Brasileira de Higiene e Sanidade Animal, 2017, 11, 1, pp 54-59
Abstract

Inclusion of cattle genetic resistance to ticks in selection programs represents an auxiliary method in strategic control of this parasite. This study was conducted to estimate genetic parameters for cattle tick resistance measured by tick counting on the inner hind legs region (TCHL) and on one...

Author(s)
Biegelmeyer, P.; Gulias-Gomes, C. C.; Roso, V. M.; Dionello, N. J. L.; Cardoso, F. F.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2017, 202, pp 96-100
Abstract

In Brazil, recent studies have reported viruses detected in ticks with pathogenic potential in vertebrate hosts. Ticks of the species Rhipicephalus microplus collected from bovines in a savannah area were tested by RT-PCR for the presence of RNA targetting a segment of NS3-like protein gene of ...

Author(s)
Pascoal, J. de O.; Siqueira, S. M. de; Maia, R. da C.; Szabó, M. P. J.; Yokosawa, J.
Publisher
Elsevier GmbH, München, Germany
Citation
Ticks and Tick-borne Diseases, 2019, 10, 1, pp 162-165
Abstract

The tropical cattle tick, Rhipicephalus microplus, is one of the most damaging parasites that affects cattle in tropical and subtropical regions in the world. Tick resistance to acaricides is dispersed worldwide and a number of associated mutations in target site genes have been described....

Author(s)
Castro Janer, E.; Klafke, G. M.; Fontes, F.; Capurro, M. L.; Schumaker, T. S. S.
Publisher
Elsevier GmbH, München, Germany
Citation
Ticks and Tick-borne Diseases, 2019, 10, 4, pp 761-765
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
AbstractFull Text

Rhipicephalus microplus tick is responsible for large economic losses in the national livestock, mainly due to the reduction in the productive performance of cattle, with damages estimated at billions of dollars per year. The tick is not only a haematophagous ectoparasite, but also a vector of...

Author(s)
Raynal, J. T.; Borges, A. A.; Bastos, B. L.; Bahiense, T. C.; Meyer, R.; Portela, R. W.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2018, 12, 9, pp 1-8
Abstract

Ehrlichiosis are severe, feverish tick-borne illnesses caused by specific species within the genus Ehrlichia (Anaplasmataceae family). Recent data suggest that ruminants in Corsica area reservoir for several Anaplasmataceae species. The purpose of our study was to determine whether Ehrlichia...

Author(s)
Cicculli, V.; Masse, S.; Capai, L.; Lamballerie, X. de; Charrel, R.; Falchi, A.
Publisher
Wiley, Oxford, UK
Citation
Veterinary Medicine and Science, 2019, 5, 2, pp 243-248

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