alexa Abattoir survey on cattle hydatidosis in Tigray Region of Ethiopia.
Microbiology

Microbiology

Journal of Microbial & Biochemical Technology

Author(s): Berhe G

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Abstract A cross-sectional epidemiological study was conducted from November 2006 to October 2007 to determine the epidemiology of bovine hydatidosis in cattle slaughtered at Mekelle Municipal abattoir in Tigray Region of Ethiopia. A one-year long ante and post mortem examination of 4481 cattle slaughtered at the abattoir showed a prevalence of 32.1\% (1,439) for hydatidosis. The percentage of hydatid cysts in different internal organs was observed as 25.62\% in the lung, 12.56\% in the liver, 0.47\% in the heart, 0.17\% in the kidney and 0.42\% in the spleen, respectively. In this study, the lung was found to be the most predominantly affected organ (63.0\%) followed by the liver (36.4\%). As regards size of the cyst, the small sized cysts had the highest percentage (80.39\%), followed by medium sized cysts (10.90\%) and large sized cysts (8.69\%). The monthly prevalence of hydatidosis was highest (36.44\%) in July and lowest (25.11\%) in April indicating that different seasons significantly affect its prevalence (chi(2) = 30.3013, d.f. = 11, and p = 0.003). Age, sex, breed and origin of animal didn't have significant effect (p > 0.05) on prevalence of the disease; however, body condition score had statistically significant effect on the disease prevalence (chi(2) = 17.8481, d.f. = 2, p < 0.001). Of the 7,315 cysts examined for fertility and viability, 2349 (32.11\%) were sterile, 3979 (54.39\%) calcified, 782 (10.66\%) fertile and viable while 205 (2.80\%) were fertile but nonviable. It was observed that hepatic and pulmonary cysts had fertility rate of 11.75\% and 13.83\%, respectively. Out of the total cysts examined, the proportion of viable protoscoleces was 10.69\%. The present study provides baseline data on the current status of the disease in the area. This article was published in Trop Anim Health Prod and referenced in Journal of Microbial & Biochemical Technology

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