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Sarcocystis and Its Complications in Camels (Camelus dromedarius) of Eastern Provinces of Iran

Korean Journal of Parasitology 2008년 46권 4호 p.229 ~ 234
 ( Valinezhad Akbar ) - Iran Razi Serum and Vaccine Research Institute

 ( Oryan Ahmad ) - Iran Shiraz University School of Veterinary Medicine
 ( Ahmadi Nasrollah ) - Iran Shiraz University School of Veterinary Medicine

Abstract


The prevalence of Sarcocystis spp. was investigated by gross and histopathological examinations in 250 camels (Camelus dromedarius) slaughtered from 2002 to 2005 in the Mashhad Slaughterhouse, eastern Iran. Samples were taken from the diaphragm, heart, tongue, esophagus and masseter muscles for histopathological studies. No macroscopic sarcocysts were found in the samples at gross inspection. Sarcocysts were detected in 209 of 250 (83.6%) examined camels at histopathological level. The infection rate of the esophagus, heart, masseter muscles, diaphragm, and tongue was 58.8%, 48.0%, 46.8%, 41.6%, and 28.0%, respectively. There was no significant difference in the rate of infection between male (85.8%) and female (81.0%) camels. The tissue response to vital cysts was minimal; however, reaction to the degenerating cysts was severe and caused tissue damages resulting in hyperemia, hemorrhages, mononuclear cell infiltration, necrotic changes, and fibrosis. The wild and domestic carnivores especially dogs may be the final hosts of Sarcocystis spp. in this area.

키워드

Sarcocystis;camel;Iran;pathology;prevalence
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