Evaluación de acaricidas para el control de garrapatas (riphicephalus (Boophilus) microplus) que afectan al ganado bovino de doble propósito usando modelos lineales generalizados

Translated title of the contribution: Evaluation of acaricides for the control of riphicephalus (Boophilus) microplus that affect the double purpose bovine using generalized linear models

A. González, D. Tapias, M. Pérez, M. Carvajalino, DAIRA LUZ VELANDIA MUÑOZ, R. Borges

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, we present the results of an evaluation of several chemical products used as acaricides: alpha-cypermethrin Amitraz, Cypermethrin, and Ethion over the control of Rhipicephalus (Boophilus) microplus that affects the double purpose bovines. Tics (Rhipicephalus microplus) were collected in two production units in each County of the Municipality of Colón, in the Zulia State in Venezuela. After a selection of comparable insects, they were immersed in concentrations obtained from the recommended dose and concentration of the acaricides of each active principle. Then, the experiment was followed until the larvaes hatching and the number of death and alive ones larva was counted in each case. The data was analyzed using techniques related to Generalized Linear Models, considering first, binary models of dose-response based on the binomial distribution to model the proportion of death larva for each concentration, using models for each acaricide and, the "best" model was selected using the deviances and information criteria, considering the Akaike criteria (AIC) the Pearson χ2, the deviance and a adaptation of the R2 for binomial model. After determining the best performance concentration of each acaricide, it was performed an analysis of contingency tables using a Poisson distribution to compare the effect of the acaricides, using in this case the recommended dose for each product.

Translated title of the contributionEvaluation of acaricides for the control of riphicephalus (Boophilus) microplus that affect the double purpose bovine using generalized linear models
Original languageSpanish
Pages (from-to)487-502
Number of pages16
JournalRevista de la Facultad de Agronomia
Volume28
Issue number4
StatePublished - 1 Jan 2011

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