Prevalence of Porcine Cysticercosis and Risk Factors for Taenia Solium Cysticercosis in Homa Bay District, Kenya
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Publication Date
2010Author
EE Eshitera, N Maingi, P Kitala, SM Githigia, R Otieno
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A cross sectional study was carried out to determine the occurrence of cysticercus
cellulosae amongst the free range pigs of Homa Bay district. Occurrence of risk factors
was sourced through structured questionnaire and the prevalence of cysticercus cellulosae
determined by dividing the number of pigs testing positive on lingual palpation by total
number of pigs tested.
For examination of the tongue for cysts, pigs were restrained with a hog restrainer and
mouth kept open using a strong stick. The tongue was grasped using cotton gauze with
one hand and the underside of tongue palpated for cysts that usually measure up to 3mm
in diameter. 5.83 % (14 of 240) of pigs showed presence of palpable cysts and 1.25% (3
of 240) were suspected to have cysts. A high proportion (88%) of pigs was kept for sale.
13.98% (27 out of 193) of farmers were practicing home slaughter without official meat
inspection. Pigs were mainly tethered (98.4%) during the planting season, (97.9%) during
growing season and (98.4%) during the harvesting season. Farmers fed their pigs on
kitchen left over and pasture (46.9%) and kitchen left over, sweet potatoes and pasture
(25.9%). None of the farmers (0%) supplemented their pigs with commercial feeds. A
high number (100 out of 193 = 51.8 %) of homes were without latrines. Previous
tapeworm experience was 94.8% (183 out of 193). Results of this study indicate that
porcine cysticercosis is prevalent in free range pigs in three divisions of Homabay
District. The low levels of knowledge of occurrence and of the mode spread of T. solium
is a probable contributor to the maintenance of the parasite. Lack of proper housing, lack
of latrines and failure to use those that are present and active tapeworm infestation also
contribute the perpetuation of the parasite.
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- Department of Zoology [160]