چكيده لاتين :
A study of the ixodid ticks population of 400 sheep and 350 goats in 10 flocks in 7 villages Torbatejam suburb, Southern Khorasan, were examined in two sub-divided areas (mountainous and plain) between springs 2003-2004. Result indicated that overall prevalence was 12.4% (14.5% in sheep and 10% in goats).Hard tick infestation on fat and fat-tail was the most prevalent on sheep (64.5%) and goats (79.5%); whereas head and neck on sheep (35.5%) and on goats (20.5%) were other ixodid ticks infestation of minor. Adult ticks (1725) were collected and identified: the highest number belonged to the Hyalomma marginatum (80% of the sheep and 65% of the goats), followed by Hyalomma asiaticum asiaticum (2.1%), Rhipicephalus sanguineus (15%), Haemaphysalis inermis (1.9%), Boophilus annulatus (1%) and all goats were infested with three species including Hyalomma asiaticum asiaticum (5.2%), Rhipicephalus sanguineus (25%) and Haemaphysalis inermis (4.8%). Ixodid ticks distributions per animal were 3 for sheep and 1.5 for goats. According to age and sex, heavily infestation observed on ewe (45.9%) and female goats (37.9%), however, lightly infestation recorded on ram (26.31%) and male goats (21.9%). In this region, ixodid ticks were present on the animals in whole of year.
