macroscopic and microscopic survey of sarcocystosis in ruminants shahriar slaughterhouse, during 2012-2013

نویسندگان

زهره علی بیگی

دانش آموخته انگل شناسی، دانشکده دامپزشکی دانشگاه علوم و تحقیقات تهران، تهران- ایران صادق رهبری

گروه پاتوبیولوژی، دانشکده دامپزشکی دانشگاه علوم و تحقیقات تهران، تهران- ایران ناصر حقوقی راد

گروه پاتوبیولوژی، دانشکده دامپزشکی دانشگاه علوم و تحقیقات تهران، تهران- ایران سهیلا نیسی

دانش آموخته انگل شناسی، دانشکده دامپزشکی دانشگاه علوم و تحقیقات تهران، تهران- ایران

چکیده

background: sarcocystis infection is one of the most common zoonotic protozoon diseases caused by different sarcocystis spp. objectives: due to the importance of this infection in public health, the infection rate of macroscopic and microscopic cysts in sheep and cattle of abattoir of shahriar, was investigated. methods: 138 slaughtered sheep and cattle were selected randomly and their esophagus, diaphragm, heart, tongue, masseter and intercostal muscles were separated. in order to find cysts, the samples were examined by two methods: direct observation for macroscopic cysts and finding microscopics cysts by smear dab, giemsa staining and microscopic investigation for bradyzoites of parasite. results: in slaughtered samples, there was no macroscopic cyst but microscopic cysts were positive in 93.48% of cattle and 86.95% of sheep by impression smear method. the results showed the significant difference between different muscles and microscopic cysts (p

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