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首页> 外文期刊>Tropical Animal Health and Production >Prevalence of thin-walled Sarcocystis cruzi and thick-walled Sarcocystis hirsuta or Sarcocystis hominis from cattle in Iran
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Prevalence of thin-walled Sarcocystis cruzi and thick-walled Sarcocystis hirsuta or Sarcocystis hominis from cattle in Iran

机译：伊朗牛的薄壁克鲁氏囊藻和厚壁囊藻或人型囊藻的患病率

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摘要

Bovine sarcocystosis is caused by Sarcocystis cruzi and is known to cause considerable morbidity and mortality in cattle. This species is distributed worldwide in cattle and is the most prevalent of the Sarcocystis species infecting cattle. There is high infection rate of sarcocyst in cattle in Iran, but to our knowledge, there is no study about identification of Sarcocystis species. This work aimed to survey prevalence of S. cruzi cyst in slaughtered cattle of Isfahan, Iran. In this study, esophageal and diaphragmatic muscles of 100 cattle were collected from Fesaran abattoir of Isfahan and examined for the presence of Sarcocystis spp. cysts macroscopically and microscopically. No macroscopic sarcocysts were found in any of the samples. In light microscopy, 89 out of 100 cattle (89%) had thin-walled cysts of S. cruzi, while 21 out of them (21%) had thick-walled sarcocysts. In addition to light microscopy, ultrastructural features of the thin-walled cyst confirmed the presence of S. cruzi.
机译：牛结节囊病是由Crucocystis cruzi引起的，已知在牛中引起相当大的发病率和死亡率。该物种在全世界范围内分布于牛中，是感染牛的最广泛的肉孢囊菌。在伊朗的牛中，石蜡囊的感染率很高，但据我们所知，尚未有关于石蜡囊菌种鉴定的研究。这项工作旨在调查伊朗伊斯法罕屠宰牛群中克鲁氏囊肿的患病率。在这项研究中，从伊斯法罕的Fesaran屠场收集了100头牛的食道和diaphragm肌，并检查了它们是否存在肉囊藻。肉眼可见囊肿。在任何样品中均未发现肉眼可见的囊肿。在光学显微镜下，每100头牛中有89头（89％）有克鲁氏链球菌薄壁囊肿，而其中有21头（21％）则有厚壁囊肿。除光学显微镜外，薄壁囊肿的超微结构特征证实了克鲁氏链球菌的存在。

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