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1 July 1990 Toxoplasmosis in Atlantic Bottle-Nosed Dolphins (Tursiops truncatus)
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Abstract

A female Atlantic bottle-nosed dolphin (Tursiops truncatus) and her calf were found beached on Picnic Island in Tampa Bay, Florida, USA. Despite therapy the animals died. Necropsy revealed severe pneumonia and lymphadenopathy in the mother and the calf, gastric ulcers and infection with the stomach digenean Braunina cordiformis in the mother, and a large, pale liver in the calf. Toxoplasma gondii was identified by light and electron microscopy and by immunohistochemistry in tissues of both animals. Toxoplasma gondii was associated with interstitial pneumonia, necrotizing adrenalitis, and cardiac myonecrosis in the mother and with lymphoid necrosis in both dolphins. The source of infection and the relationship to the recent dolphin beachings along the eastern seacoast of North America are unknown. This is the first report of toxoplasmosis in cetaceans.

Inskeep, Gardiner, Harris, Dubey, and Goldston: Toxoplasmosis in Atlantic Bottle-Nosed Dolphins (Tursiops truncatus)
W. Inskeep, C. H. Gardiner, R. K. Harris, J. P. Dubey, and R. T. Goldston "Toxoplasmosis in Atlantic Bottle-Nosed Dolphins (Tursiops truncatus)," Journal of Wildlife Diseases 26(3), 377-382, (1 July 1990). https://doi.org/10.7589/0090-3558-26.3.377
Received: 17 July 1989; Published: 1 July 1990
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