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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 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

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 purpose of this study was to assess the susceptibility to permethrin of stable flies Stomoxys calcitrans from a dairy cattle farm in Aguascalientes, Mexico. Samples of adult stable flies from 16 dairies were exposed to two doses of permethrin representing LD50 and LD99 (0.0014 and 0.0026 µg/cm...

Author(s)
Cruz-Vázquez, C.; García-Vázquez, Z.; Fernández-Ruvalcaba, M.; George, J. E.
Publisher
Revista Veterinaria-Mexico, Facultad de Medicina Veterinaria y Zootecnia, Mexico City, Mexico
Citation
Veterinaria México, 2005, 36, 4, pp 485-490
Abstract

The aim of this study was to determine the role of certain bovine lymphocyte antigens (BoLA) regions in the resistance or susceptibility to Boophilus microplus tick infestation in two different breeds of cattle. The breeds were maintained, one in natural conditions and the second one in an...

Author(s)
Acosta-Rodríguez, R.; Alonso-Morales, R.; Balladares, S.; Flores-Aguilar, H.; García-Vazquez, Z.; Gorodezky, C.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2005, 127, 3/4, pp 313-321

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