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Acta Trop. 2018 Jul;183:92-94. doi: 10.1016/j.actatropica.2018.04.003. Epub 2018 Apr 4.

Experimental porcine cysticercosis using infected beetles with Taenia solium eggs.

Author information

1
School of Veterinary Medicine, Universidad Nacional Mayor de San Marcos, Lima, Peru. Electronic address: lucho92@yahoo.com.
2
Cysticercosis Elimination Program and Center for Global Health Tumbes, Cayetano Heredia University, Tumbes, Peru; Department of Microbiology, School of Sciences, Cayetano Heredia University, Lima, Peru.
3
School of Veterinary Medicine, Universidad Nacional Mayor de San Marcos, Lima, Peru.

Abstract

Beetles are intermediate hosts for human and animal parasites, and several beetle species have been shown to carry Taenia eggs. An experimental porcine cysticercosis infection model was developed using beetles (Ammophorus rubripes) infected with Taenia solium eggs and then using these beetles for oral pig challenge. A total of 18 three months-old Landrace pigs were divided in four groups. Pigs from groups 1, 2, and 3 (n = 6 pigs per group) were challenged with one, three, and six beetles infected with T. solium eggs, containing approximately 52, 156 or 312 eggs respectively. Pigs were necropsied 12 weeks after infection to assess the presence of T. solium metacestode. Porcine cysticercosis by T. solium was produced in 17 out of 18 pigs (94.4%) challenged with infected beetles, all infected pigs had viable cysts. Only one pig from group 1 was negative to the presence of cysts. The median number of metacestodes per pig in groups 1, 2, and 3 were 2 (range 0-71), 26 (range 5-33) and 40 cysts (range 4-111), respectively. Experimental porcine cysticercosis infection is consistently obtained using beetles as mechanical vectors for T. solium eggs.

KEYWORDS:

Ammophorus rubripes; Beetle; Porcine cysticercosis; Taenia solium

PMID:
29626435
PMCID:
PMC5935534
[Available on 2019-07-01]
DOI:
10.1016/j.actatropica.2018.04.003
[Indexed for MEDLINE]

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