A survey of difference species of hard ticks (Acarina:Ixodidae) on sheep in karaj

Ixodidae family is one of the greater Tick family of domestic animals which since 13 genus and 650 species in 5 sub family of them reported. In Iran since 14 species of Hyalomma, 5 species of Rhipicephalus, 8 species of Ixodes, 11 species of Haemaphysalis, 1 species of Boophilus, 3 species of Dermacentor, 2 species of Ornithodorous and 2 species of Argas identified which this ticks are transporter for 24 species of pathogen virus, bacteria and protozoa and by a long way 10% of ticks feed on domestic animals specially cattle, sheep and goat and it has saliently hygienic importance in transmission of human and animal pathogenic factors. The aim of this research was to evaluation of sheeps ontamination to different species of hard ticks from quantitative aspect and also determination of species diversity found ticks in karaj location. In this survey 549 tick were collected from all Karaj suburb sheeps during year 2009 and then were identified. In this survey H. anatoliceum anatoliceum (34/13%) with maximum infection rate and R.sanguineus (16/84%) with minimum contamination rate were determined and after H.anatoliceum anatoliceum, Rh.bursa(26/74%) and H. anatoliceum excavatum (22/25%respectively with maximum contamination were determined. In this study from seasonal prevalence aspect in spring 125 number, summer 387 number and in autumn and winter respectively 17,126 number tick were collected from the surveyed area sheeps and maximum contamination rate in summer and minimum contamination rate in winter were absorved. Also maximum rate of found ticks were absorved in ear area and minimum rate in were absorved subscapular area.