A survey was conducted on one thousand sheep in quarantine of Fars slaughterhouse. From this population, a group of 128 sheep with symptom of ovine malignant theileriosis were selected. The prepared blood smears showed that 93 sheep had parasitemia which considered as the infected group. In addition, 19 healthy sheep were taken out as the control group. The body temperature
along with the hematological and biochemical parametrs has been compared among infected and contorl groups. Statistical analysis revealed a significant correlation among body temperature and occurence of parasitemia within infected and control groups. The measurrnents of heamatological parameters indicated that RBC, Hb and HCT decreased significantly in infected animal. Differential leukocyte count indicated that lymphocytes were decreased while increased of neutrophils were observed significantly. Liver tests were indicated that (total and indirect) bilirubin, cholesterol and AST increased significantly in infected group. No significant changes in urea, uric acid and creatinine was observed. The measurment of total protein, albumin and globulin levels were indicated that globulins increased significantly.
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