A systemic streptococcal infection in cultured bullfrogs in Brazil was characterized by necrotizing splenitis and hepatitis with hepatic and renal hemorrhage. A non-hemolytic Group B Streptococcus appeared to be the cause of the lesions, and the stimulus for the splenic reticuloendothelial hyperplasia observed in the animals. Stress may have been a factor in the development of the pathological condition.

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Author notes

1

Department of Microbiology, Louisiana State University, Baton Rouge, Louisiana 70803, USA

2

Department of Veterinary Pathology, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana 70803, USA

3

Department of Veterinary Science and Department of Veterinary Microbiology and Parasitology, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana 70803, USA

4

Department of Wildlife and Fisheries, Louisiana State University, Baton Rouge, Louisiana 70803. USA