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Abstract

The purpose of this study was to determine the effect of amitraz selection pressure on the development of resistance in field populations of Boophilus microplus in the Mexican tropics. Three farms (FA1, FA2 and FA3) in Yucatan, Mexico, were selected in this study. Amitraz was applied as a whole...

Author(s)
Rosado-Aguilar, J. A.; Rodriguez-Vivas, R. I.; Garcia-Vazquez, Z.; Fragoso-Sanchez, H.; Ortiz-Najera, A.; Rosario-Cruz, R.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2008, 152, 3/4, pp 349-353
Abstract

The acaricidal activity of crude extracts and fractions from stems and leaves of Petiveria alliacea (Phytolaccaceae) was carried out on larvae and adults of the cattle tick Rhipicephalus (Boophilus) microplus using the larval immersion test (LIT) and adult immersion test (AIT), respectively....

Author(s)
Rosado-Aguilar, J. A.; Aguilar-Caballero, A.; Rodriguez-Vivas, R. I.; Borges-Argaez, R.; Garcia-Vazquez, Z.; Mendez-Gonzalez, M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 168, 3/4, pp 299-303
Abstract

The objective of this study was to assess the percentage of resistance of H. irritans by means of an in vitro test of mortality percentage to permethrin (2.5 and 6.0 µg/cm2) and diazinon (0.01 and 0.06 µg/cm2). Flies were collected from 14 beef cattle production units. A detailed survey on...

Author(s)
Maldonado Simán, E.; Bermúdez-Villanueva, L.; Apodaca Sarabia, C.; García Vázquez, Z.; Sumano López, H.; Gutiérrez Ornelas, E.
Publisher
Revista Veterinaria-Mexico, Facultad de Medicina Veterinaria y Zootecnia, Mexico City, Mexico
Citation
Veterinaria México, 2005, 36, 2, pp 217-227
Abstract

Increased esterase activity in arthropods is considered as an important biochemical marker of pesticide resistance. In Boophilus microplus, esterases have been associated with resistance to both organophosphate and pyrethroid families. The purpose of this study was to analyse ixodicide resistance...

Author(s)
Soberanes Céspedes, N.; Rosario Cruz, R.; Santamaría Vargas, M.; García Vazquez, Z.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Técnica Pecuaria en México, 2005, 43, 2, pp 239-246
Abstract

The infectivity of the entomopathogenic fungus Metarhizium anisopliae was tested against one organophosphate (OP)-resistant and one susceptible B. microplus (Canestrini) strains by an in vitro assay with engorged B. microplus adult females recently detached from cattle, using the ECS1 strain of M....

Author(s)
Fernández-Ruvalcaba, M.; Zhioua, E.; García-Vázquez, Z.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Técnica Pecuaria en México, 2005, 43, 3, pp 433-440
Abstract

The objective of this study was to document the first case in Mexico of amitraz resistance in Boophilus microplus taken from cattle. Samples of B. microplus were obtained from the municipality of Emiliano Zapata, Tabasco, where there had been reports of lack of control with amitraz. The tick strain ...

Author(s)
Soberanes Céspedes, N.; Santamaría Vargas, M.; Fragoso Sánchez, H.; García Vázquez, Z.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Técnica Pecuaria en México, 2002, 40, 1, pp 81-92

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