Abstract
A cross-sectional study was conducted from October, 2013 to March, 2014 to assess the prevalence, cyst viability, organs distribution and direct financial losses of hydatidosis in cattle slaughtered at Nekemte municipal abattoir. Out of 473 inspected cattle at postmortem inspection, 82 (17.34%) were harboring a single or multiple hydatid cysts. Significantly (P < 0.05) higher infection rate was observed in different age groups and body condition scores. Anatomical organ distributions of cysts showed 64.2, 32.4, 0.93, 2.16 and 0.308% in lung, liver, kidneys, spleen and heart, respectively. Of 324 total cysts collected, 74 (22.84%) were calcified while the rest 250 (77.16%) were non-calcified cysts. From those non-calcified cysts, 62 (24.8%) were fertile while 188 (75.2%) sterile. Furthermore, viability analysis of fertile cysts showed 34/62 (54.84%) viable cysts. The rate of cyst calcification was higher in liver (60%) than other organs whilst the fertility was higher in lungs (23.6%). Size assessment revealed 87/250 (34.8%) small, 94/250 (37.6%) medium and 69/250 (27.6%) large sized cysts. In this study, annual economic loss from organs condemnation was estimated to be 8561.61 Ethiopian Birr (ETB) (450.6 USD) per annum based on the local market prices in the study period. This showed that hydatidosis is an economically important disease of cattle which necessitates appropriate strategic control. Key words: Bovine, financial loss, hydatidosis/Echinococcosis, Nekemte, prevalence.
Highlights
Hydatidosis is a term used to describe the infection of animals and humans with metacestode stage of Echinococcus species (Parija, 2004)
Nebyou and Adugna being involved in the life cycle as definitive and intermediate host, respectively (McManus, 2006).Cystic echinococcosis is associated with severe morbidity and disability, and is one of the world’s most geographically widespread zoonotic diseases as it affects humans (Craig et al, 2007; Cringoli et al, 2007)
Infection prevalence of hydatidosis was correlated with age group and body condition score of cattle
Summary
Hydatidosis is a term used to describe the infection of animals and humans with metacestode stage of Echinococcus species (Parija, 2004). Cystic echinococcosis is recognized as one of the major helminth zoonoses affecting humans and various animals’ species in different parts of the world (Cringlo et al, 2007). It is a cosmopolitan zoonotic infection with dogs and other canids and domestic and wild ungulates. Human hydatidosis is often associated with clinical signs and the function of the affected organ is often impaired This is especially true if the heart or the brain are involved (Kaufman, 1996)
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