Mixture of cipermetrina and clorpirifós to control Haematobia irritans fly
Journal Title: Revista MVZ Cordoba - Year 2011, Vol 16, Issue 2
Abstract
Objective. To determine the effect of a mixture of Cypermethrin and Chlorpiriphos on the control of the Haematobia irritans fly (horn fly). Materials and methods. A total of 24 Holstein heifers, naturally infested with Haematobia irritans flies, were randomly allocated into two Groups (n=12): 1) Group Control and 2) Group Treated. The control group was not sprayed with any product and the treated group was sprayed with the product diluted (1:800), using 1 liter per 100 kilos of body weight. to evaluate the effect of the product. Flies were counts in each animal before treatment (day 0) and on days 7, 14 and 21 post application of the product. Total number of flies (%) were compared between groups and between days. Results. Efficacy of the product were 89.9, 97.4 and 99.5%, for days 7, 14 and 21 post-treatment, respectively. Conclusions. The mixture of Cypermethrin and Chlorpiriphos was highly effective against the horn fly and stands up as a new alternative for the control of the parasite, especially where resistance to different molecules of commercial products have occurred.
Authors and Affiliations
Gustavo López V, M. Sc *| Instituto Colombiano de Medicina Tropical CES. Medellín, Colombia.Correspondencia: gulova@ une.net.co, Cristiano Grisi do N, M. Sc| Ouro Fino Animal Health Gerente de Marketing/Marketing Manager, Brasil., Diego González C, MV| Laboratorios Ourofino, Bogotá.
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