First detection of Sarcocystis hirsuta from cattle in Iran

Document Type : Scientific report

Authors

1 Department of Food Hygiene and Public Health, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

2 Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

3 Department of Food Hygiene, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran

Abstract

Although the high infection rate of microscopic sarcocyst occurs in cattle, to the best of our knowledge,
there is no report about the identification of macroscopic sarcocyst in Iran. In this work, Sarcosystis hirsuta
was first isolated from slaughtered cattle. In a 2-year-old slaughtered cattle, morphological examination
revealed 3-5 mm in length cysts distributed in different striated muscles, particularly intercostalis and
diaphragm. In electron microscopy study, ultramicroscopic structure of primary cyst wall based on the
presence of cone-shaped villar protrusions confirmed the occurrence of S. hirsuta.

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