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Abstract

The influence of temperature, humidity and rainfall on field population of stable fly, Stomoxys calcitrans, over three consecutive years in two dairy farms located in semiarid Aguascalientes State in Mexico, were determined. The dairy farms were visited weekly between April 1999 and March 2002. On...

Author(s)
Cruz-Vázquez, C.; Vitela Mendoza, I.; Ramos Parra, M.; García-Vázquez, Z.
Publisher
Sociedad Chilena de Parasitología, Santiago, Chile
Citation
Parasitología Latinoamericana, 2004, 59, 3/4, pp 99-103
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
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

A dairy farm with 510 Holstein cows in milk production, in which insecticide was not applied throughout the study, was visited weekly from March 1999 to March 2001, selecting on each occasion ten percent of the dairy cows for adult horn fly counts on direct observation. Weekly average fly numbers...

Author(s)
Cruz-Vázquez, C.; Ramos Parra, M.; García-Vázquez, Z.; Perales Segovia, C.; Mata, D.
Publisher
Revista Veterinaria-Mexico, Facultad de Medicina Veterinaria y Zootecnia, Mexico City, Mexico
Citation
Veterinaria México, 2003, 34, 4, pp 315-322
Abstract

A serological survey for antibody activity to Neospora caninum was carried out in Aguascalientes, a state in the central part of Mexico in June-September 2000. One-hundred and eighty-seven serum samples from 13 dairy herds were tested by the ELISA test. The herd prevalence was 100% and the overall...

Author(s)
García-Vázquez, Z.; Cruz-Vázquez, C.; Medina-Espinoza, L.; García-Tapia, D.; Chavarria-Martinez, B.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2002, 106, 2, pp 115-120
Abstract

The aim of this study was to determine resistance to the pesticides cypermethrin (pyrethroid) and diazinon (phosphate) in the horn fly (Haematobia irritans) in the state of Tamaulipas, Mexico. A total of 36 farms were evaluated: 11 in the north, 14 in the central and 11 in the southern part of the...

Author(s)
Almazán García, C.; Cantú Covarruvias, A.; Vega Flores, A.; García Vázquez, Z.; Kunz, S.; Medellín Ledezma, A.
Publisher
Revista Veterinaria-Mexico, Facultad de Medicina Veterinaria y Zootecnia, Mexico City, Mexico
Citation
Veterinaria México, 2004, 35, 3, pp 237-244
Abstract

Our objective in this trial was to investigate the anti-tick effects of molasses grass (Melinis minutiflora) and gamba grass (Andropogon gayanus) against Boophilus microplus, using buffel grass (Cenchrus ciliaris) as a control. During a 3-year-period fieldwork was carried out in the tropical,...

Author(s)
Fernández-Ruvalcaba, M.; Preciado-de-la Torre, F.; Cruz-Vazquez, C.; Garcia-Vazquez, Z.
Publisher
Springer Science + Business Media, Dordrecht, Netherlands
Citation
Experimental and Applied Acarology, 2004, 32, 4, pp 293-299
Abstract

The suitability of white-tailed deer (Odocoileus virginianus) as hosts for the cattle ticks Rhipicephalus (Boophilus) microplus and Rhipicephalus (Boophilus) annulatus, has been well documented. These ticks have a wide host range, and both transmit Babesia bovis and Babesia bigemina, the agents...

Author(s)
Cantu, A.; Ortega-S., J. A.; Mosqueda, J.; Garcia-Vazquez, Z.; Henke, S. E.; George, J. E.
Publisher
Wildlife Disease Association, Lawrence, USA
Citation
Journal of Wildlife Diseases, 2007, 43, 3, pp 504-507
Abstract

The purpose of this study was to conduct a survey for the susceptibility of the horn fly, Haematobia irritans, populations to permethrin on dairy cattle from Aguascalientes, Mexico. Samples of populations of horn flies at 25 dairies were exposed to two discriminating doses (2.5 and 6.0 µg/cm2) on...

Author(s)
Cruz-Vázquez, C.; Altamira, G.; Ramos, M.; Medina, L.; Garcia-Vazquez, Z.; George, J.
Publisher
Entomological Society of America, Lanham, USA
Citation
Journal of Medical Entomology, 2002, 39, 6, pp 939-941
Abstract

The aim of the work was to study the annual variation of S. calcitrans (L.) adult stage infestation in Aguascalinetes, Mexico. Three dairy farms which maintained Holstein cows in free-pens housing were selected; throughout the study the farmers did not apply insecticide treatment. The dairy farms...

Author(s)
Cruz-Vázquez, C.; Martínez Rangel, S.; Vitela Mendoza, I.; Ramos Parra, M.; Quintero Martínez, M. T.; García Vázquez, Z.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Técnica Pecuaria en México, 2000, 38, 2, pp 135-142

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