Journal
VETERINARY PARASITOLOGY
Volume 193, Issue 1-3, Pages 172-178Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vetpar.2012.12.010
Keywords
Nepal; Pig; Sentinel animals; Taenia hydatigena; Taenia solium; Transmission dynamics
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Funding
- Flemish Interuniversity Council, Belgium
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The transmission dynamics of the pork tapeworm, Taenia solium, remain a matter of research and debate. In a longitudinal field study performed in southeastern Nepal, 18 sentinel pigs were serologically monitored to study the field kinetics of Taenia antigens and anti-T. sollum antibodies. At the end of the twelve months' study period, necropsy was performed and suspected lesions were subjected to molecular identification of the Taenia species. The study generated new hypotheses on the transmission dynamics of Taenia spp. and exposed crucial complexities in the use of sentinel pigs in longitudinal field studies. Sentinel pigs can be useful epidemiological tools, but their use should be thoroughly planned before initiating a study and carefully monitored throughout the course of the study. Important aspects to be considered are those affecting the pig's susceptibility to infection, such as passive immunity, age, hormonal levels, and infection with competing Taenia species. In addition, serological test results should be interpreted considering possible cross-reactions and with proper understanding of the significance of a positive test result. (C) 2012 Elsevier B.V. All rights reserved.
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