Prevalence of cysticerci in Addis Ababa Abattoir Enterprise, Ethiopia.

An abattoir-based survey was conducted in Addis Ababa from December 2018 to April 2019 with the objectives of determining the prevalence of bovine cysticercosis and the viability of cysticerci. Routine meat inspection was performed on the study animals. Palpation followed by incision of the heart, tongue, triceps muscle, masseter muscle and diaphragm were made to detect the presence of cysts. From the detected cysts, 41 were randomly selected and subjected to viability test. From the total 500 study animals, 14(2.8%) had varying number of cysts. The highest proportion of cyst was observed in the triceps muscle 6(42.8%), followed by heart 3(21.4%), tongue 2(14.3%) and masseter muscle 2(14.3%). There was no cyst observed in the liver or diaphragm. Of the total randomly selected 41 cysticerci, 20(48.8%) were found to be viable while the rest 21(51.2%) cysticerci were found to be non-viable. Sex, breed, age, and body condition of the study animals were found to have no significant association with the occurrence of cysticerci ( > 0.05). Even though routine meat inspection has low sensitivity and usually under-estimates the prevalence of the disease, bovine cysticercosis was found to be prevalent in the study area. Therefore, an appropriate control program involving enforcement of meat inspection, promoting public awareness and improving personal and environmental hygiene should be designed and implemented.