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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

Babesia bovis is the etiological agent of bovine babesiosis, a disease transmitted by Rhipicephalus microplus, which affects cattle herds in tropical and subtropical regions of the world, causing significant economic losses due to decreasing meat and milk yield. This study used molecular techniques ...

Author(s)
Mendes, N. S.; Ramos, I. A. de S.; Herrera, H. M.; Campos, J. B. V.; Alves, J. V. de A.; Macedo, G. C. de; Machado, R. Z.; André, M. R.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Parasitology Research, 2019, 118, 7, pp 2027-2040
Abstract

The southern cattle fever tick, Rhipicephalus (Boophilus) microplus, spends as much as 80-90% of its life cycle as a larva questing for a host. Standard control methods are limited to on-host applications, leaving a need for methods directed at the pasture infesting stages. Reports from Brazil...

Author(s)
Leal, B.; Thomas, D. B.; Dearth, R.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2017, 241, pp 39-42
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
Abstract

Rhipicephalus (Boophilus) microplus is the most economically important tick of the world, including Brazil. Whereas the epidemiology of R. microplus is well known in most of the Brazilian land, virtually nothing is known from the Brazilian semiarid region, the Caatinga biome. Considering the...

Author(s)
Barros, M. N. D. L. de; Riet-Correa, F.; Azevedo, S. S.; Labruna, M. B.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology: Regional Studies and Reports, 2017, 9, pp 17-24
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
Abstract

Infestations of Rhipicephalus microplus cause significant damage to cattle breeding and their control is primarily based on chemical products. There are extensive reports of efficacy losses of acaricid products over time, as well as resistance of the parasites to them, thereby making it necessary...

Author(s)
Marques, C. B.; Ramos, F.; Fernandes, F.; Sangioni, L. A.; Kommers, G.; Unterleider, C. E.; Vogel, F. S. F.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2019, 269, pp 53-56
Abstract

Cattle ticks cause economic losses to the cattle industry in Brazil. The use of phytotherapics as acaricides has shown efficacy of the control of these parasites. In the present study, the in vitro efficacy of the following drugs was evaluated: dimethyl sulfoxide (DMSO), ethanol, methanol,...

Author(s)
Vasconcellos, J. S. P.; Fernandes, F.; Cadore, G. C.; Ratzlaff, F. R.; Felipetto, L. G.; Vogel, F. S. F.; Botton, S. Á.; Sangioni, L. A.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 6, pp 1125-1129

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