%0 Journal Article %T Determination the frequency of Ixodid ticks on the sheep in Khorasan Razavi province, Iran %J Archives of Razi Institute %I Razi Vaccine & Serum Research Institute %Z 0365-3439 %A Rashtibaf, M. %A Najarnejad, V. %A Razmi, G.R. %D 2011 %\ 11/01/2011 %V 66 %N 2 %P 129-132 %! Determination the frequency of Ixodid ticks on the sheep in Khorasan Razavi province, Iran %K Ixodid tick %K Sheep %K Khorasan Razavi province %R 10.22092/ari.2016.103876 %X A survey was carried out to investigate the frequency of hard tick species (Acari: Ixodidae) on sheep in Khorasan Razvi province. A total of 812 ticks were collected from the sheep of different areas of Khorsan Razavi province five species were identified as follow: Rhipicephalus turanicus (59.23%), Hyalomma.marginatum turanicum (25.73%), Hyalomma excavatum (14.8%), Hyalomma anatolicum (8.3%), and Dermacentor niveus (4.8%). The frequency of tick infestation in southern parts was greater than northern parts of the province. R. turanicuss and H. m. turanicum. Were dominant ticks in the province. %U https://archrazi.areeo.ac.ir/article_103876_ddfdee68c67338653bc9d274d1d37d88.pdf