مطالعه جنبه هاي اكولوژيكي و ميزان شيوع كنه هاي سخت (آكارينا، ايكسوديده ) در گاو، گاوميش و گوسفند در دامداري هاي اطراف شهرستان اشنويه

Study on some ecological aspects and prevalence of different species of hard ticks (Acarina: Ixodidae) on cattle, buffalo, and sheep in Oshnavieh suburb

A study of the ixodid ticks population of 400 cattle, 185 buffalo, and 350 sheep in villages Oshnavieh suburb, West Azerbaijan, was carried out from Spring 2001 to Spring 2002. Result indicated that hard tick infestation on groin and mammary glands were the most prevalent on cattle (52.24%), buffalo (52.63%), and sheep (55.15%); whereas head, ear, and neck on cattle (1.69%), buffalo (1.32%), and sheep (1.21%) were other ixodid ticks infestation of minor importance. Ixodid ticks distribution per animal were 5, 3-4, 4-5, 2-3, and 1-2,respectively, in cattle, calf, buffalo, she buffalo, and sheep. According to age and sex, heavily infestation observed on female adult cattle (60.77%), she buffalo calf (46.66%), and ewe (54.90%), however, lightly infestation recorded on bull and male cattle calf (20%), male buffalo calf (16.66%), and ram (26.31%). In this region, ixodid ticks were present on the animals with most abundant in Spring and at least so in early Autumn. The prevalence of ticks was 44.5% on cattle, 41.08% on buffalo, and 47.14% on sheep. Lab identifying indicated that 2 genus include of Hyaloma spp. (64%) and Rhipicephalus spp. (4%) with 6 species on cattle include of Hyalomma anatolicum excavatum (4%), Hyalomma anatolicum anatolicum (5.33%), Hyalomma asiaticum asiaticum (16%), Hyalomma marginatum (4%), Hyalomma dromedary (13.33%), and Rhipicephalus bursa (4%); 2 genus include of Hyaloma spp. (62.85%) and Rhipicephalus spp. (4.28%) with 6 species on buffalo include of Hyalomma anatolicum excavatum (2.85%), Hyalomma anatolicum anatolicum (5.71%), Hyalomma asiaticum asiaticum (14.28%), Hyalomma marginatum (2.85%), Hyalomma dromedary (14.28%), and Rhipicephalus bursa (4.28%); 5 genus include of Hyaloma spp. (1.81%), Rhipicephalus spp. (23.63%), Haemaphysalis spp. (1.81%), Dermacentor spp. (27.26%), Boophilus spp. (1.81%) with 6 species on sheep include of Hyalomma asiaticum asiaticum (1.81%), Haemaphysalis inermis (1.81%), Dermacentor marginatus (25.45%), Dermacentor silviarum (1.81%), Boophilus annulatus (1.81%) ,and Rhipicephalus bursa (23.63%).