A Study on Prevalence of Fasciolosis at Sebeta Municipal Abattoir and Sensitivity of Coprological Test
Keywords:
Abattoir, Coprological, Fasciolosis, Prevalence, Sebeta, SensitivityAbstract
Fascioliasis is an important helminthic zoonosis that is reported in many countries of the world. The cross-sectional study was carried out from November 2013 to April 2014 to determine the prevalence of fasciolosis, evaluate risk factors associated with it, and assess the sensitivity of coprological tests for diagnosing fasciolosis in cattle and sheep that were slaughtered in the municipal abattoir in Sebeta. A total of 384 animals, which comprised 212 cattle and 172 sheep were randomly selected from the slaughtered animals and sent for post-mortem and coprological examination. From the total of 384 animals examined, 150 were found to be positive for fasciolosis, with an overall prevalence of 39.1%. The prevalence in adults and young was 39.4% and 38.1%, respectively. The difference between them was not significant (p > 0.05). The prevalence of fasciolosis is significantly higher in (p<0.05) animals with poor body condition than in medium and good body condition scores. Taking liver examination as the gold standard for diagnosis of fasciolosis, the sensitivity of sedimentation was found to be 62.67% and the sensitivity of 100%, with substantial agreement (kappa = 0.67) between them. The high prevalence of fasciolosis in cattle and sheep in the present study represents the high rate of infection and causes high economic losses to the area. The level of infection observed in this study revealed the existence of favorable climatic conditions for the development and survival of the parasite in the area of origin of the study animals. So strategic helminthic treatment with appropriate flukicide drugs should be practiced twice a year, before and after the rainy season, to eliminate the fluke burden, reduce the number of snails becoming infected, and improve drainage and fence off wet areas with poor drainage to reduce snail problems.
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