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Evaluation of the erythrocytes and leucocyte alterations in cows infected with Theileria annulata

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Author(s): Ramin Ag | Asri-Rezaie S. | Hemati M. | Eftekhari Z. | Jeloudary M. | Ramin S.

Journal: Acta Veterinaria
ISSN 0567-8315

Volume: 61;
Issue: 5-6;
Start page: 567;
Date: 2011;
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Keywords: anemia | cow | Hb | parasitemia | PCV | RBCs | theileriosis | WBC

ABSTRACT
The percentages of anemia, parasitemia and leucocyte changes were investigated in bovine theileriosis in the Northwest of Iran. The hematological values in 91 cows with theileriosis were compared with 19 healthy ones. The disease was confirmed by the presence of parasites in the peripheral blood smear test. Five mLs of blood from the jugular vein was collected and mixed with EDTA. Hematological parameters and parasitemia were assessed by current laboratory methods. The mean for hematocrit (PCV), hemoglobin (Hb), total leucocytes counts (WBC) and erythrocyte count (RBCs) were 22.1%, 6.8 mg/dL, 7075/μL and 4x106/μL, respectively. Mean total protein, absolute lymphocyte, neutrophil, eosiniphil counts, MCV, MCH and MCHC were 6.4 g/dL, 3898, 2746, 136/μL, 55.5 fl, 16.7 Pg and 30.5 g/dL, respectively. Mean concentrations for PCV, Hb, RBCs, and MCHC were significantly (p24%), mild (20-23.99%), moderate (12-19.99%) and severe anemia (
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