Diagnostic study of infection with Schistosoma spp in sheep and cattle in Ninevah Governorate

Through the examination of 78 fecal sample of sheep and 52 fecal sample of cattle collected from different region in Ninevah governorate, the percentage of infection with schistosoma eggs in sheep and cattle were 7.69%, 19.23 respectively with significant differences between sheep and cattle, two types of eggs of schistosoma had been identified in sheep they were : S. bovis and S. indicum (first record) while in cattle S. bovis, S. indicum and S.intercalatum (first record) were diagnosed. Infection with S. bovis formed highest percentage in sheep and cattle 83.3%, 70% respectively. The results revealed significant differences between type of infection in sheep with significant difference between the type of infection in cattle, and the single infection formed highest percentage in sheep and cattle 83.33%, 70% respectively. The percentage of infection appeared with high rate in sheep and cattle with aged more than 3 years 9.8%, 40% respectively with significant difference between groups of age in cattle. No significant difference appeared between males and females of sheep and cattle. The worms of S. bovis were diagnosed in portal hepatic and mesenteric veins of sheep in Akra area(first record) and a number of sheep in this area were died.