Metacercariae of parthenogenetic Fasciola sp. triploid were inoculated into the rat-like hamster Tscherskia triton. Flukes at various stages of growth were found in the bile ducts of all 8 (50%) animals that survived from 42 to 90 days. The body length to width ratio ranged from 1.8 to 2.9, and flukes with the highest ratio were passed 68 days after inoculation. Our results indicate that T. triton is a suitable host for experimental infection when induced by a small number of metacercariae (less than 5) of Fasciola sp.

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