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Four commercial synthetic compounds, pyrethroid, organophosphates, macrocyclic lactones and phenylpyrazole have been used for tick control worldwide. However, periodic monitoring of the eff ectiveness of acaricides has not been fully explored, although such information could contribute to a more eff ective application, economic analysis and harmful impact on other organisms and environmental contamination. This study investigates the eff ect of cypermethrine (CYM), deltamethrin, trichlorphon + dimethylester, ivermectin (IVM) and fipronil on natural infestations of ticks in goats. The in vivo quantitative assessment of four tick genera i.e. Hyalomma, Rhipicephalus, Ixodes and Haemaphysalis revealed that both CYM and IVM treated groups resulted in significantly lower (P |
