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Abstract

Rickettsial infection in dog-associated ticks in three rural communities of Yucatan, Mexico was investigated using qPCR and nested PCR assays. A total of 319 dogs were studied and ticks samples were collected. A total of 170 dogs were infested with ticks (frequency of 53.4%). Overall, 1,380 ticks...

Author(s)
Ojeda-Chi, M. M.; Rodriguez-Vivas, R. I.; Esteve-Gasent, M. D.; León, A. A. P. de; Modarelli, J. J.; Villegas-Perez, S. L.
Publisher
Wiley, Berlin, Germany
Citation
Transboundary and Emerging Diseases, 2019, 66, 1, pp 102-110
AbstractFull Text

Ticks and the diseases they transmit cause great economic losses to livestock in tropical countries. Non-chemical control alternatives include the use of resistant cattle breeds, biological control and vaccines. However, the most widely used method is the application of different chemical classes...

Author(s)
Rodríguez-Vivas, R. I.; Pérez-Cogollo, L. C.; Rosado-Aguilar, J. A.; Ojeda-Chi, M. M.; Trinidad-Martinez, I.; Miller, R. J.; Li, A. Y.; Pérez de León, A.; Guerrero, F.; Klafke, G.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Parasitology, 2014, 23, 2, pp 113-122
Abstract

In the Neotropics the control of tick infestations in red deer (Cervus elaphus) is achieved primarily through the use of acaricides and macrocyclic lactones. In Mexico, resistance to one or multiple classes of acaricides has been reported in Rhipicephalus microplus infesting cattle, but information ...

Author(s)
Rodríguez-Vivas, R. I.; Miller, R. J.; Ojeda-Chi, M. M.; Rosado-Aguilar, J. A.; Trinidad-Martínez, I. C.; Pérez de León, A. A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2014, 200, 1/2, pp 179-188
Abstract

The objective of the present study was to determine simultaneously the status of resistance against ivermectin (IVM) in gastrointestinal nematodes (GIN) and Rhipicephalus microplus (Canestrini, 1888) ticks in 12 cattle farms where IVM was used for the control of GIN in the Mexican tropics. Six...

Author(s)
Alegría-López, M. A.; Rodríguez-Vivas, R. I.; Torres-Acosta, J. F. J.; Ojeda-Chi, M. M.; Rosado-Aguilar, J. A.
Publisher
Entomological Society of America, Annapolis, USA
Citation
Journal of Medical Entomology, 2015, 52, 2, pp 214-221
Abstract

Rhipicephalus microplus is the most economically important cattle tick in the Mexican tropics. Wild ungulate species, including red deer (Cervus elaphus), are gaining popularity in diversified livestock ranching operations in Mexico. However, there is no information available on the susceptibility...

Author(s)
Rodríguez-Vivas, R. I.; Ojeda-Chi, M. M.; Rosado-Aguilar, J. A.; Trinidad-Martínez, I. C.; Torres-Acosta, J. F. J.; Ticante-Perez, V.; Castro-Marín, J. M.; Tapia-Moo, C. A.; Vázquez-Gómez, G.
Publisher
Springer, Amsterdam, Netherlands
Citation
Experimental and Applied Acarology, 2013, 60, 4, pp 543-552
Abstract

The efficacy and persistence of ivermectin-3.15% (IVM-3.15%) and moxidectin-10% (MOX-10%) against natural infections of gastrointestinal nematodes (GIN) in cattle in the Mexican tropics were evaluated. Thirty-three heifers were divided into three groups of 11 animals each, receiving the following...

Author(s)
Rodríguez-Vivas, R. I.; Castillo-Chab, C. G.; Rosado-Aguilar, J. A.; Ojeda-Chi, M. M.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2014, 46, 1, pp 69-74
Abstract

The objective was to determine the prevalence of semi-intensive Bos indicus and Bos indicus × Bos taurus cattle herds with ivermectin (IVM) resistant nematodes in a sub-humid tropical zone of Mexico using the faecal egg count reduction test (FECRT). Thirty-three herds (28 beef and 5 dual purpose...

Author(s)
Canul-Ku, H. L.; Rodríguez-Vivas, R. I.; Torres-Acosta, J. F. J.; Aguilar-Caballero, A. J.; Pérez-Cogollo, L. C.; Ojeda-Chi, M. M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2012, 183, 3/4, pp 292-298

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