Survey on seasonal changes of ixodidae ticks in Qazvin city and suburbs in 2015

Ticks are very important in animal husbandry and they can transmit different disease. Of the different transmitted disease by the ticks some of them such as theileriosis and babesiosis are widely distributed in our studied area and hence this study was done about sheeps ixodidae ticks of Qazvin city to obtaining epidemiological importance aspects from sheep disease that are transmitted by ticks in this area. The samples was collected from sheep of Qazvin industrial slaughterhouse and livestock market from all body parts of body every two weeks and then stored in 70% ethanol, and transported to the laboratory. Identification of ticks was based on available taxonomic keys. Based of our results in this study the species diversity of founded ticks were Rhipicephalus bursa, Rhipicephalus sanguineus, Hyalomma anatolicum anatolicum, Hyalomma anatolicum excavatum, Hyalomma marginatum marginatum, Haemaphysalis sulcata, Haemaphysalis punctate, Dermacentor marginatus. Average ticks in every understudied sheep in spring, summer, autumn and winter has been estimated as 1.64, 3.16, 1.85 and 1.79, respectively. So, the highest rate of infection was in summer and the lowest rate was in spring. From 500 ticks that were found about 28, 27, 22, 15, and 8 percent were associated to under the tail and around the anus, groin, ears, under the shoulder, and other parts of the body. So, the highest rate of ticks was in the under the tail an anus and the lowest rate was under the shoulder. Rhipicephalus and Hyalomma species are commonly distributed in the Qazvin city and suburbs. Further investigations are needed to distinct the role of tick species as vectors of infectious diseases.

Keywords: Qazvin, hard tick, ixodidae, sheep

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