Prevalence of thin-walled <Emphasis Type="Italic">Sarcocystis cruzi</Emphasis> and thick-walled <Emphasis Type="Italic">Sarcocystis hirsuta</Emphasis> or <Emphasis Type="Italic">Sarcocystis hominis</Emphasis> from cattle in Iran |
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Authors: | Hossein Nourani Somayeh Matin Abass Nouri Hamidreza Azizi |
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Institution: | (1) Department of Pathobiology, School of Veterinary Medicine, Shahrekord University, Shahrekord, Iran;(2) Razi Vaccine and Serum Research Institute, Karadj, Iran |
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Abstract: | 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. |
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