الفهرس 
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Abstract
The current study was conducted on 748 camel samples (420
faecal samples, 228 muscle samples and 100 blood samples) at
Zagazig and Belbais markets and abattoirs, Sharkia Province, Egypt
from the period extended from January 2010 till December 2011 for
investigating coccidial parasites infecting camels by studying the
prevalence rate, morphology of the detected parasites through light
and electron microscope as well as studying its molecular structures
by polymerase chain reaction test for thin walled sarcocysts of
Sarcocystis cameli.
This result showed that 254 out of 748 examined camels
harboured coccidial parasites (33.96%). Sarcocystis species
(48.68%), Eimeria species (24.29%), Cryptosporidium species
(9.05%) and Toxoplasma gondii (3%).
Out of 228 examined camel muscle samples, 111 were
positive for microscopic sarcocysts (48.68%). Thin walled
sarcocysts of Sarcocystis cameli were detected in 19 camel muscle
samples (17.l2%) while thick walled sarcocysts of Sarcocystis
cameli-canis were detected in 27 camel muscle samples (24.32%)
and both types present in mixed infection in 65 camel muscle
samples (58.56). Macroscopic cysts were not observed in examined
camels. Sarcocysits were detected in oesophageal muscles
(48.68%), tongue muscles (43.42%) followed by diaphragmatic
muscles (39.91 %) and skeletal muscles (18.42%).
Out of the 420 examined fecal samples, 102 were positive for
Eimeria species (24.29%). Five Eimeria species were identified,