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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-4863

Krecek, R C; Michael, L M; Schantz, P M; Ntanjana, L; Smith, M F; Dorny, P; Harrison, L J S; Grimm, F; Praet, N; Willingham, A L (2008). Prevalence of Taenia solium cysticercosis in swine from a community-based study in 21 villages of the Eastern Cape Province, South Africa. Veterinary Parasitology, 154(1-2):38-47.

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Abstract

The pork tapeworm, Taenia solium, causative organism of porcine cysticercosis and human neurocysticercosis is known to occur in areas of South Africa including Eastern Cape Province but, despite increasing reports of its occurrence throughout the subregion, the prevalence is yet to be clearly established. The parasite presents a potentially serious agricultural problem and public health risk in endemic areas. The human populations considered to be at highest risk of infection with this zoonotic helminth are people living in rural areas most of whom earn their livelihood wholly or partially through livestock rearing. Here we report on initial results of a community-based study of pigs owned by resource-poor, emerging pig producers from 21 villages in the Eastern Cape Province. Lingual examination (tongue palpation) in live pigs, two enzyme-linked immunosorbent assays (ELISAs), which detect parasite antigen (B158/B60 Ag-ELISA and HP10 Ag-ELISA) and an enzyme immunotransfer blot (EITB) assay, which detects antiparasite antibody, were used to verify endemicity and estimate apparent prevalence. In the absence of a gold standard true prevalence was obtained, using a Bayesian approach, with a model that uses both available data and prior information. Results indicate that the parasite is indeed present in the study villages and that true prevalence was 64.6%. The apparent prevalences as measured by each of the four tests were: 11.9% for lingual examination, 54.8% for B158/B60 Ag-ELISA, 40.6% for HP10 Ag-ELISA and 33.3% for EITB. This base-line knowledge of the prevalence of T. solium in pigs provides information essential to the design and monitoring of sustainable and appropriate interventions for cysticercosis prevention and control.

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Parasitology
04 Faculty of Medicine > Institute of Parasitology
DDC:570 Life sciences; biology
610 Medicine & health
600 Technology
Language:English
Date:January 2008
Deposited On:09 Dec 2008 14:17
Last Modified:30 Nov 2013 01:24
Publisher:Elsevier
ISSN:0304-4017
Publisher DOI:10.1016/j.vetpar.2008.03.005
PubMed ID:18440704
Citations:Web of Science®. Times Cited: 18
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Scopus®. Citation Count: 21

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