AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med. Hyg., 21(5), 1972, pp. 512-517
Copyright © 1972 by The American Society of Tropical Medicine and Hygiene

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Development of Toxoplasma Oocysts in Neotropical Felidae*

M. L. Jewell, J. K. Frenkel, K. M. Johnson, V. Reed AND A. Ruiz
Department of Pathology, University of Kansas School of Medicine, Kansas City, Kansas 66103, Middle America Research Unit and U.S. Army Medical Research Unit, P. O. Box 2011, Balboa Heights, Panama Canal Zone, and Departamento de Parasitologia, Universidad de Costa Rica, San Jose, Costa Rica

Toxoplasma gondii oocysts were isolated from the feces of one Felis yagouaroundi (jaguarundi) and two Felis pardalis (ocelot) which initially lacked antibody to Toxoplasma gondii, establishing that not only domestic cats, but other members of the family Felidae can spread Toxoplasma via their feces. These findings explain the reported occurrence of toxoplasmosis in jungle wildlife in the absence of a domestic cat population. A number of Felidae with positive antibody titers to Toxoplasma did not excrete Toxoplasma oocysts after being fed cysts of Toxoplasma. Members of the Procyonidae (raccoon family), Potos flavus, Nasua nasua, and Bassaricyon gabbii, failed to produce oocysts although they became infected and developed antibody to Toxoplasma.

Accepted for publication March 25, 1972.


* Supported in part by a student fellowship of the University of Kansas Medical Center (NIH GRSG 5 SO1 RRO 5373-09), by a grant of the Ford Foundation to the University of Kansas for Cooperative Research in Central America, and by grant AI-7489 from the National Institute of Allergy and Infectious Diseases.

Please address reprint requests to: Mr. Mark L. Jewell, Department of Pathology, University of Kansas Medical Center, Kansas City, Kansas 66103.




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M. Demar, D. Ajzenberg, B. Serrurier, M. L. Darde, and B. Carme
Atypical Toxoplasma gondii Strain from a Free-living Jaguar (Panthera onca) in French Guiana
Am J Trop Med Hyg, February 1, 2008; 78(2): 195 - 197.
[Abstract] [Full Text] [PDF]


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Copyright © 1972 by the American Society of Tropical Medicine and Hygiene.