ABSTRACT
To increase the knowledge of the presence of viral agent in bullfrogs from commercial froggeries, an examination was made, by transmission electron microscope, the muscles with nodules from slaughterhouse (1 case); livers (2 cases) and livers and ascitic liquid (1 case) from animals died by different causes. There were observed a Herpes-like particles in nodules in muscles of animals from slaughterhouse; Herpes-like particles in liver of animals that died by intoxication; Herpes-like particles in liver and ascitic liquid and Toga-like particles in ascitic liquid from animals that died by nutritional deficiency and Paramixo-like particles in the liver of tadpoles that had died due to bad water quality. The authors believe that neither of these groups of virus are involved directy with the lesions and mortalities of these cases and do not know their importance as primaries or opportunistic agents to bullfrog from froggery. Of these viruses, only the Herpes group is related with amphibians, solely in free-living wild animals. These are the first observations, by t.e.m. of virus like particles in bullfrogs in Brazil.
KEY WORDS:
Bullfrog; Rana catesbeiana; pathology; virus.
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