| infestation of wild-caught american bullfrogs (rana catesbeiana) by multiple species of metazoan parasites. | the american bullfrog (rana catesbeiana) is an aquatic, carnivorous member of the family ranidae that is used extensively in physiology education programs and in various physiology, toxicology, sensorineural, and genetics research. eleven bullfrogs purchased from a vendor distributing wild-caught frogs for use in a physiology research protocol were emaciated but otherwise showed no apparent clinical signs of illness. necropsies performed on selected emaciated frogs indicated heavy infestation wi ... | 2008 | 18459712 |