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Abstract

The bovine tick, Rhipicephalus microplus, is the main ectoparasite of cattle and causes loss of billions of dollars worldwide in lost meat, milk, and leather production, as well as control expenses. In addition to systemically impacting the host during the parasitic act, this parasite is also an...

Author(s)
Beys-da-Silva, W. O.; Rosa, R. L.; Berger, M.; Coutinho-Rodrigues, C. J. B.; Vainstein, M. H.; Schrank, A.; Bittencourt, V. R. E. P.; Santi, L.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Experimental Parasitology, 2020, 208, pp 107812
AbstractFull Text

The present study was conducted to record tick infestation on bovines (cattle and buffalo) during February 2018 to January 2019 in three districts (Bidar, Gulbarga and Yadgir) of Hyderabad-Karnataka region of Karnataka. A total of 1570 bovines (720 cattle and 850 buffaloes) were examined for tick...

Author(s)
Krishnamurthy, C. M.; D'Souza, P. E.; Dhanalakshmi, H.
Publisher
Dr P. R. Yadav, Muzaffrnagar, India
Citation
Journal of Experimental Zoology, India, 2019, 22, 2, pp 1097-1101
Abstract

The presence of Borrelia theileri in Argentina is confirmed after recording the spirochete from a bovine in northern Argentina. The analysis of sequences of the flagellin gene (fla) and length of Borrelia spp. specimens on thick blood films shows that the local isolate clusters within a...

Author(s)
Morel, N.; Salvo, M. N. de; Cicuttin, G.; Rossner, V.; Thompson, C. S.; Mangold, A. J.; Nava, S.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology: Regional Studies and Reports, 2019, 17, pp 100314
Abstract

Despite several decades of chemical control, the cattle tick Rhipicephalus microplus remains an important constraint for cattle farmers. The regular use of chemicals has led to the development of tick strains that are multi-resistant to acaricides. New methods of tick control are being developed...

Author(s)
Hüe, T.; Fontfreyde, C.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2019, 51, 7, pp 1989-1995
Abstract

This study aimed to determine the relationship between the variation in plasma concentration of ivermectin 3.15% over time and its efficacy against the cattle tick Rhipicephalus (Boophilus) microplus. In addition, a trial was conducted to infer if the application of successive treatments with...

Author(s)
Nava, S.; Rossner, M. V.; Ballent, M.; Mangold, A. J.; Lanusse, C.; Lifschitz, A.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2019, 268, pp 81-86
Abstract

Given the difficulties of controlling the tick Rhipicephalus microplus due to acaricide resistance, this study aimed to ascertain whether shearing could reduce infestation in cattle. 17 taurine cattle were sheared on the anterior third of one randomly selected side. Shearing was undertaken using a...

Author(s)
Veríssimo, C. J.; Giglioti, R.; D'Agostino, S. M.; Toledo, L. M. de; Katiki, L. M.; Duarte, K. M. R.; Santos, I. K. F. de M.
Publisher
Springer, Amsterdam, Netherlands
Citation
Experimental and Applied Acarology, 2019, 79, 1, pp 99-106
Abstract

This study investigated the local immune response at larval attachment sites in Santa Gertrudis cattle with low and high levels of tick resistance. Skin samples with tick larvae attached were collected from Santa Gertrudis cattle at the end of a period of 25 weekly infestations, when the animals...

Author(s)
Constantinoiu, C. C.; Lew-Tabor, A.; Jackson, L. A.; Jorgensen, W. K.; Piper, E. K.; Mayer, D. G.; Johnson, L.; Venus, B.; Jonsson, N. N.
Publisher
Wiley, Oxford, UK
Citation
Parasite Immunology, 2018, 40, 4, pp e12515
Abstract

This work was performed to test the efficacy of winter-spring control strategies against Rhipicephalus (Boophilus) microplus (Ixodida: Ixodidae) infestations on cattle in the area ecologically most favourable for the development of this tick in Argentina. Two control schemes using three and four...

Author(s)
Nava, S.; Toffaletti, J. R.; Morel, N.; Guglielmone, A. A.; Mangold, A. J.
Publisher
Wiley, Oxford, UK
Citation
Medical and Veterinary Entomology, 2019, 33, 2, pp 312-316
Abstract

The acaricidal activity of combinations of thymol, carvacrol and eugenol was evaluated on larvae and engorged females of the cattle tick Rhipicephalus microplus. The first step assessed the compounds separately, in concentrations of 3.125, 6.25, 12.5 and 25 mg/mL. Then tests were performed with the ...

Author(s)
Novato, T. L. P.; Marchesini, P.; Muniz, N.; Prata, M. C. de A.; Furlong, J.; Vilela, F. M. P.; Daemon, E.; Maturano, R.; Monteiro, C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Experimental Parasitology, 2019, 207, pp 107774
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

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