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The prevalence of bovine Theileria amongst the cattles in the cattles farm of Borujencity

Research Paper | April 1, 2017

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Yaser Karimi Faradonbeh, Morvarid Karimi Faradonbeh, Azarnushkarimi dastgerdi, Azam malekmohammadi

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J. Bio. Env. Sci.10( 4), 136-141, April 2017


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The current research intended to investigate the prevalence of bovine Theileria amongst the Cattles, in the cattle farm of Borujen city. To this end, 360 cows were studied, during December 2013 – December 2014, of which 22 cows were infected with Theileria Parasites. At the beginning, before entering any cattle farm, a questionnaire (Table 1) was designed. The questionnaire included items about the Cattles’ sex, age, race, season and previous involvement with the disease. Next, in each season at the end of each period, samples of peripheral blood (blood samples from ear vessels) were collected from 90 Cattles and transferred to the laboratory. After preparing a blood smear and fixation by Methanol Alcohol, Giemsa Staining and Microscopic inspection of the smears of peripheral blood, the samples containing the Piroplasm forms of Theileria were recorded as positive samples. This study examined 4 different races, including Holstein, Brown Swiss, Hybrid and Native cows, which were classified into three groups of ageas ‘under 1 year’, ‘1-3 years’ and ‘above 3 years’. SPSS19 statistical software as well as Excel2010 were used for research data analysis. Accordingly, the obtained results indicated that the most typical symptom of this disease was Swollen Lymph Nodes while Diarrhea was the least clinical symptom of the disease. Nevertheless, the highest degree of infection with the disease was related to the age group ‘’under 1 year.’’ Furthermore, the degree of infection was higher in the summer and in Holstein race in comparison to other cases, connoting a significant relationship.


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The prevalence of bovine Theileria amongst the cattles in the cattles farm of Borujencity

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