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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...

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