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Iranian Journal of Parasitology، جلد ۷، شماره ۴، صفحات ۹۱-۹۸
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عنوان انگلیسی Hematologic and Clinical Aspects of Experimental Ovine Anaplasmosis Caused by Anaplasma ovis in Iran
چکیده انگلیسی مقاله B ackground : Anaplasma ovis infections can cause clinical symptoms in acute phase and lead to huge economic losses in flocks. The aim of the present study was to investigate the hematological and par- asitological changes in experimental anaplasmosis in sheep with Iranian strain of A. ovis . M ethod: Five male sheep without any blood parasite infection were selected. One hundred ml hepa-rinized blood was collected from splenectomised sheep that showed 6% A. ovis parasitemia. Inocu- lums of 20 ml blood were administered intravenously to each test animal. Hematological, parasito- logical and clinical changes of experimental anaplasmosis were studied in 0-38 days post infection. Result: Parasitemia was detected 3 days post infection and reached its maximum level on the day 12 of experiment in test animals. Then the parasitemia was declined, but the organism could be found persistently until the last day of study. The red cell counts, packed cell volume and hemoglobin con- centration were decreased and mean corpuscular volume was increased significantly during the infec- tion period. Reticulocytosis and basophilic stippling were also detected. No significant changes were observed in total and differential leukocyte count and animal body temperature. C onclusion: Experimental A. ovis infection in sheep resulted in marked normocytic normochromic anemia at the beginning of the infection which became macrocytic normochromic by the develop- ment of the disease. There were negative correlations between parasitemia and RBC, PCV and Hb values, therefore hematological assessment can be considered as a practical diagnostic tool in ovine anaplasmosis.
کلیدواژه‌های انگلیسی مقاله Anaplasma ovis,Sheep,Experimental,Anemia,Iran
نویسندگان مقاله sp یاسینی | sp yasini
department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

z خاکی | z khaki
department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

s رهبری | s rahbari
parasitology department, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

b کاظمی | b kazemi
cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (Shahid beheshti university of medical sciences)

j سالار آملی | j salar amoli
department of toxicology, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

a قره باغی | a gharabaghi
department of larg animal internal medicine, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

sm جلالی | sm jalali
department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://ijpa.tums.ac.ir/index.php/ijpa/article/view/289
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