“…Bovine hydatidosis prevalence of 22.1% was reported from Tigray region (Kebede, et al, 2009), 13.86% from 7 export abattoirs (Solomon Hailemariam, 1975) (Ernest et al, 2004) and 6.02% in shoats and 4.2% in cattle from Arusha area of Tanzania (Nonga and Karimuribo, 2009), 19.4% in cattle, 3.6% in sheep, 4.5% in goats and 61.4% in camels from Kenya (Njoroge et al, 2002), 6.6% in cattle, 4.3% in sheep and 27.2% in camels from Libya (Mohammed, 1985), 31.6% in cattle, 24.4% in sheep, 42.2% in goats and 59.9% in pigs from Niger (Arene, 1985), 8.28% in cattle, 12.61% in sheep and 6.56% in goats and 32.85% in camels from Saudi Arabia (Ibrahim, 2010), 3% in cattle, 7% in sheep and 45% in camels from Sudan (Elmahdi et al, 2004) and 18.3% in sheep from Argentina (Larrieu et al, 2001). Sotiraki et al, (2003) reported a prevalence of 82% in cattle, 80% in sheep, 24% in goats and 5% in pigs from Greece before the introduction of control program in 1984 which reduced the occurrence of the disease to 0% in cattle, to 31.3% in sheep, to 10.3% in goats and to 0.6% in pigs. A decrease in annual prevalence of camel liver hydatidosis from 24.1% in 2004 to 6.8% in 2010 and a corresponding decrease in annual prevalence of camel lung hydatidosis from 28.7% in 2004 to 7.1% in 2010 were also reported from Iran as a result of greater awareness created about echinococcosis among farmers (Borji, 2011).…”