Abstract
Porcine cysticercosis is endemic in Tanzania, especially in the Southern Highlands, Central areas and Northern Highlands regions of the country. It is a condition that reduces pork quality and suitability for human consumption and hence affecting public health and the pig industry. The prevalence and possible associated factors for porcine cysticercosis occurrence were investigated to assist in the planning for sustainable control measures. This study was conducted in three wards of Iringa region, southern Tanzania. A blood sample was collected from 346 pigs in 88 households and analysed using an enzyme-linked immunosorbent assay (ELISA), to detect Taenia solium antigens (Ag). A questionnaire administered to farmers and an observational checklist tool assisted the researcher in collecting household information on pig management, sanitation and hygiene practices. On average, 22.3±3.44 per cent of pigs was seropositive for porcine cysticercosis in the three wards, and 53.4 per cent of the surveyed households had at least one seropositive pig. Statistically, porcine cysticercosis was associated with the scavenging pig rearing method (OR=2.426; p≤0.05) and poor quality pig housing (OR=1.75; p≤0.05). This means that scavenging pigs and those living in poor-quality pens had two times higher chances of being infected. Having more than half studied pig units with positive case(s) indicates limited inputs in pig feeding and sheltering thus exposing them to infection vulnerability. The poor-quality pens allowed pigs to escape and/or scavenge on T. solium eggs contaminated environment. Training and sensitising on improved pig management using locally available resources is essential. Also emphasising regular latrine use, hygiene and sanitation practices can support control.
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