The existence of tissue parasites among slaughtered animals tuns studied in 5 abattoirs in Dakahlia Province namely Mansoura. Belquas,senbellawine. Dekerned and Sherbeene. A total number of 2048 cattle, 648 buffaloves and 133 sheep were examined during the period extended from September 2005 till the end of August 2006.
The overall tissue paraslted prevalence was 18.2 % in large rumlnants and 22.56 % in small runlnants. Five tissue parasites were detected named C. bovis, Hydatid cyst. C. tenulcollis. C. ovis and Sarcocystis spp. Examination of catlle carcasses revealed C. bovis (3,61%) and Hydatid. cyst (0.15%). Also. Hydatid cysts were detected in 0.15% of examined buffalos. Moreover buffalo carcasseS investigation revealed Sarcocystis spp. cysts (63.7%). Small rwninant represented by sheep revealed C. ovis (8.27%) and C. tenulcollis (14.29%). The prevalence and seasonal prevanatlons of each parasite was studied independently in each abattoir in the investigated area.