Paper Title
Prevalence and Organ Distribution of Larval Oestrusovis (Diptera : Oestridae), Cysticercustenuicollis and Echinococcus Granulosus (Cestoda : Taenidae) in Slaughtered Sheep and Goats at Jeddah in Saudi Arabia

Abstract
Objective: To determine the prevalence of Oestrusovis, Myiasis, Cysticercustenuicollis and Echinococ- cusgranulosus in sheep, goats, camel and cows. Methods: A total of 1099 sheep, 477 goats, 59 camel and 37 cows slaughtered in three different slaughter houses of Saudi Arabia Province covering a period (16 July to 29 July 2015 ) were carefully examined for these metacestodes. Results: Oestrusovis was found in 182 (43%) goats and 162 (14.7%). Cysticercustenuicollis was found in 99 goats (23.4%) and 5 (0.45%) sheeps. Echinococcus granulosus was found only in female goats (100% of female goat exani- mate). Any infection was observed neither in cows nor in camel. Conclusions: The results suggest that Oestrusovis, Cysticercustenuicollis and Echinococcus granulosus are common and may constitute a health problem in sheep and goat and a source of economic loss in the meat industry, thus em- phasizing the need for proper meat inspection and a great concern for both medical and veterinary authorities to de- sign therapeutic and preventive programs to overcome this problem. Keywords - Sheep, Goat, Oestrusovis, Cysticercustenuicollis and Echinococcus granulosus, prevalence.