Brucellosis is an infectious disease and zoonosis which is produced by species of Brucella. The most dominant sign of the disease in human is undulent fever and abortion in animals. The disease has been reported in domestic animals such as: horse, cattle, sheep, gaot, pig and in wild animals suah as: dolphin, kangaroo and rabbit. The prevalence of the disease is due to rapid occurence in animals and 500,000 cases have been reported in human anually. Cortrol of the disease depends on proper understanding of biologic and epidemulogic aspects of brucellosis. For controlling the disease factors suah as: health care, vaccination and culled of infected animals must be considered. In current study, one hundred blood samples of Turkaman ’s horses was prepared. Samples were centrifuged and sera were isolated and then tested by Rose -bangal and Wright. Results showed that all of the samples were negative. The resuls indicated that brucellosis in horse, in comparison to sheep, goat and cattle, has less importance in epidemy of this disease in human and vaccination of horses is not nessaccery.

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