Abstract
A cross-sectional study to determine the prevalence of bovine cysticercosis and hydatidosis was conducted from October 2007 to March 2008 in cattle slaughtered at the Jimma municipal abattoir. Cyst distribution and viability of bovine cysticercosis and hydatidosis were also determined. A total of 512 carcasses were inspected of which 15 (2.93%) and 161 (31.44%) were infected with Taenia saginata metacestodes and hydatid cysts, respectively. From a total of 109 cysticerci collected from infected carcasses, 47 (43.12%) were viable. The anatomical distribution of the cysticerci was, shoulder muscle (39.5%), heart (33.9%), neck muscle (13.8%), tongue (10.1%), masseter muscles (1.8%) and diaphragm (0.9%). Of the 1171 hydatid cysts collected 223 (19.0%) were fertile, 505 (43.1%) sterile, 49 (29.8%) calcified and 94 (8.0%) contained pus. A greater proportion of fertile cysts were found in the lungs than in other organs. It was concluded that these zoonotic cestodes deserve due attention to safeguard public health, and that further studies are needed on genotyping, epidemiology and public health importance of Echinococcus granulosus in the study area.
Highlights
Taeniosis and hydatidosis are parasitic zoonoses that present major public health problems in lower income countries (Taylor, Coop & Wall 2007)
In this study the prevalence of cysticercosis was 2.93 %, which is comparable to reports on the subject emanating from central Ethiopia (3.11 %) (Tembo 2001), but lower than that reported in other parts of the country (Dawit 2004; Nigatu 2004; Hailu 2005; Abunna et al 2008)
The higher prevalence of cysticercosis in developing countries is associated with poor sanitary infrastructure, low awareness and improper disposal of sewage, which pertains to Ethiopia, where the widespread habit of eating raw meat is an additional important risk factor
Summary
Taeniosis and hydatidosis are parasitic zoonoses that present major public health problems in lower income countries (Taylor, Coop & Wall 2007). In Ethiopia, the prevalence of bovine cysticercosis ranges from 3.1 % in the central part to 26.25 % in the southern part of the country (Tembo 2001; Dawit 2004; Nigatu 2004; Hailu 2005; Abunna, Tilahun, Megersa, Regassa & Kumsa 2008). Hydatidosis, caused by the metacestodes of Echinococcus granulosus, is endemic in Ethiopia and studies from various parts of the country indicate that the infection ranges from 25.7 % to 63 % and 4.4 % to 18.8 % in cattle and sheep, respec-
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