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1 October 1997 Gnathostomiasis in Frog-eating Snakes from Japan
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Gnathostorna doloresi parasitizes the gastric wall of wild (boars) and domestic (pigs) swine (Sus scrofa). Its larvae cause cutaneous larva migrans in humans. Amphibians, reptiles and a freshwater fish are infected with the advanced 3rd stage larvae. Prevalence of G. doloresi larvae were surveyed in several snakes, especially in a common frog-eating snake (Rhabdophis tigrinus). All species of snakes examined were infected with G. doloresi larvae suggesting that snakes are important reservoir hosts. Prevalence of G. doloresi larvae in frog-eating snakes was lower than that found in mammal-eating snakes. Thus, as a source of infection to snakes, small mammals may be more important than frogs in the natural life cycle of G. doloresi in Japan.

Ishiwata, Nakao, Nose, Komiya, Hanada, Enomoto, and Nawa: Gnathostomiasis in Frog-eating Snakes from Japan
K. Ishiwata, H. Nakao, R. Nose, M. Komiya, S. Hanada, Y. Enomoto, and Y. Nawa "Gnathostomiasis in Frog-eating Snakes from Japan," Journal of Wildlife Diseases 33(4), 877-879, (1 October 1997).
Received: 16 December 1996; Published: 1 October 1997

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