Prevalence and some risk factors associated with trichinellosis in backyard pig farms in Zaria, Nigeria
2013
Momoh, Halimat Asabe | Bello, Mohammed | Inabo, Helen | Wada, Yusuf | Adole, Enechojo Bernadette | Madaiki, Blessed Dauda | Aregbe, Elizabeth Adenike
The aim of this study was to determine the presence of trichinellosis in backyard-farmed pigs and the risk factors associated with the infection in Zaria, Kaduna State. Serum samples were collected from 120 pigs selected at random from 50 small backyard farms, and the presence of Trichinella spp. antibodies was determined using a commercially available enzyme-linked immunosorbent assay (ELISA) kit. Data on farm management practices from the farms were obtained through the use of a structured questionnaire. The overall seroprevalence of Trichinella spp.-specific antibodies was 40 % (48/120) by ELISA. All the extensive farms sampled had at least one Trichinella-positive animal. The age and sex of the animals were not significantly (p > 0.05) associated with the infection; however, the management systems, presence of rodents, rodent control, and access to dead pigs showed significant (p < 0.05) association with Trichinella spp.-infected pigs on the farm. In conclusion, there was a high prevalence of antibodies to trichinellosis in backyard raised pigs in Zaria, and intensive pig farming with the adoption of proper biosecurity measures is advocated to prevent the transmission and spread of trichinellosis.
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