Abstract

ABSTRACTParasitoses that affect domestic animals, the Rhipicephalus sanguineus sensu lato deserves attention for being cosmopolitan. Ozone gas has been used as an agent for insect control. The objective of this study was to verify the acaricidic effect of the ozone gas on the R. sanguineus s. l. Ticks were distributed in three groups: two controls and one submitted to ozone action. Images were obtained using a scanning electron microscope. All specimens from the group treated with ozone died after the gas application and presented other lesions on cuticle and respiratory spiracles. Ozone acted as an acaricide to the ticks.

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