Trichinellosis is a wide spread food borne zoonosis caused by species of the genus Trichinella. Until present T. spiralis is the only species usually found in porcine, sinantropics and wild animals from Argentina. Nevertheless, Krivokapich et al. isolated a novel species (Trichinella T12) from a Puma concolor, T. spiralis can be transmitted and maintained in both a domestic and sylvatic cycle whereby rats, among others contribute to the spread of T. spiralis from domestic to sylvatic animals and vice versa. In this research we studied the presence of Trichinella infection in rodents which inhabit pig farms from General La Madrid, Buenos Aires, Argentina.

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