The hispid cotton rat ( Sigmodon hispidus) as an experimental host for the bovine liver fluke ( Fasciola hepatica)

The results of a study testing the susceptibility of the hispid cotton rat, Sigmodon hispidus, to infection with Fasciola hepatica are described. Ten cotton rats were placed into one of four test groups, one uninfected control or three animals each receiving two, five, or 10 F. hepatica metacercaria...

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Bibliographic Details
Published in:Veterinary parasitology 2000, Vol.87 (2), p.125-132
Main Authors: McKown, Richard D, Ridley, Robert K, Kennedy, George A
Format: Article
Language:English
Subjects:
Animals
Blood - parasitology
Cattle
Cattle Diseases - parasitology
Cotton rat
Diaphragm - parasitology
Disease Models, Animal
disease reservoirs
Experimental
experimental infections
Fasciola hepatica
Fasciola hepatica - physiology
Fasciola hepatica:Fasciolidae Sigmodon hispidus
fascioliasis
Fascioliasis - parasitology
Fascioliasis - veterinary
fecal egg count
feces
Feces - parasitology
helminth ova
Histopathology
Liver - parasitology
liver flukes
Parasite Egg Count - veterinary
Reservoir host
Sigmodon hispidus
Sigmodontinae - parasitology
Spleen - parasitology
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Summary:The results of a study testing the susceptibility of the hispid cotton rat, Sigmodon hispidus, to infection with Fasciola hepatica are described. Ten cotton rats were placed into one of four test groups, one uninfected control or three animals each receiving two, five, or 10 F. hepatica metacercariae. Three of nine (33%) became infected, and two of these animals carried the infection to patency. At necropsy one animal had two mature F. hepatica within the common bile duct, and the other harbored a single fluke. Gross and microscopic changes, primarily of the liver, associated with infection are described, as are fecal egg counts throughout the duration of infection.
ISSN:0304-4017
1873-2550
DOI:10.1016/S0304-4017(99)00172-7