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A cross-sectional study was conducted on Cysticercus tenuicollis in sheep and goats slaughtered at Bishoftu, Elfora export abattoir from November 2017 to April 2018 to determine the prevalence, organ preference and associated risk factors and to estimate direct economic losses attributed to the condemned organs from sheep and goats slaughtered in the abattoir. The statistical analysis was performed using SPSS program. The overall prevalence of C. tenuicollis from 500 shoats was found 323 (64.6%) examined by post-mortem examination. During the study, a total of 268 goats and 232 sheep visceral organs were inspected. Of this C. tenuicollis was found in Caprine 60 (22.4%) than in sheep 42 (18.1%). The age wise prevalence C. tenuicollis showed that the prevalence was higher in young sheep (41.0%) than adult sheep (20.8%). Although organ wise infection rates of both sheep and goat were (19.4%) and (20.5%) (Mesentery), (19.8%) and (18.3%) (Peritoneum), (22.4%) and (18.1%) (Liver), and (18.3%) and (17.2%) (Omentum) and (18.3%) and (21.6%) (Carcass) with no significant statistical difference. The overall percentage of C. tenuicollis was higher in young sheep (41.0%) than in adult sheep (20.8%) with significant statistical difference (p<0.05). Small Ruminant Cysticercus tenuicollis is an important disease that causes great economic losses due to organ condemnation in the study area. Improvement of awareness of the communities about the economic importance of the parasite and hence reducing the incidence and economic loss incurred by the disease via control program that involves due attention on veterinary activities.

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