A study was done to determine the prevalence of hydatid cysts in goats using ultrasonography. A total
of 1 390 goats were examined, 43,6 % (606/1390) of them from north-western Turkana, Kenya and
56,4% (784/1390) from Toposaland, southern Sudan. Hydatid cysts were visualized in 1,82 % (11/606) of the goats from north-western Turkana and 4,34% (34/784) of those from Toposaland. Unlike
abattoir surveys, the prevalence data obtained in this study were unbiased because entire flocks were
examined. The lower prevalence rate of the disease in goats from Turkana was attributed to the hydatid
disease control programme in that area, which is absent in Toposaland .
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