tailieunhanh - Báo cáo khoa học: "Changes in some Blood Micronutrients, Leukocytes and Neutrophil Expression of Adhesion Molecules in Periparturient Dairy Cows"

Tuyển tập các báo cáo nghiên cứu về bệnh thú y được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành thú y đề tài: Changes in some Blood Micronutrients, Leukocytes and Neutrophil Expression of Adhesion Molecules in Periparturient Dairy Cows. | Acta vet. scand. 2001 42 139-150. Changes in some Blood Micronutrients Leukocytes and Neutrophil Expression of Adhesion Molecules in Periparturient Dairy Cows By . Meglia1 A. Johannisson2 L. Petersson3 and K. Persson Waller1 department of Obstetrics and Gynaecology and department of Pathology Faculty of Veterinary Medicine Swedish University of Agricultural Sciences department of Chemistry National Veterinary Institute SVA Uppsala Sweden. Meglia GE Johannisson A Petersson L Persson Waller K Changes in some blood micronutrients leukocytes and neutrophil expression of adhesion molecules in periparturient dairy cows. Acta vet. scand. 2001 42 139-150. - Dairy cows are highly susceptible to infectious diseases like mastitis during the period around calving. Although factors contributing to increased susceptibility to infection have not been fully elucidated impaired neutrophil recruitment to the site of infection and changes in the concentrations of some micronutrients related with the function of the immune defence has been implicated. Most of the current information is based on studies outside the Nordic countries where the conditions for dairy cows are different. Therefore the aim of the study was to evaluate changes in blood concentrations of the vitamins A and E the minerals calcium Ca phosphorous P and magnesium Mg the electrolytes potassium K and sodium Na and the trace elements selenium Se copper Cu and zinc Zn as well as changes in total and differential white blood cell counts WBC and expression of the adhesion molecules CD62L and CD18 on blood neutrophils in Swedish dairy cows during the period around calving. Blood samples were taken from 10 cows one month before expected calving at calving and one month after calving. The results were mainly in line with reports from other countries. The concentrations of vitamins A and E and of Zn Ca and P decreased significantly at calving while Se Cu and Na increased. Leukocytosis was detected at calving mainly .

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