molecular detection of theileria spp. in sheep and vector ticks in the north khorasan province, iran. | a survey was carried in north khorasan province, iran in 2010-2011, designed to identify theileria spp. infections of both sheep and ticks. the tick species were also examined. ninety sheep from different flocks were clinically examined, and blood samples and ixodid ticks were collected. light microscopy of blood smears revealed theileria spp. infection in 37 (41.1 %), while 74 (82.2 %) of blood samples were positive using semi-nested pcr. theileria ovis, theileria lestoquardi, and mixed infecti ... | 2013 | 22791188 |