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Case Reports
. 2014:21:62.
doi: 10.1051/parasite/2014062. Epub 2014 Nov 20.

Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the Zoo of Clères, France

Jacques Rigoulet  1 , Alain Hennache  1 , Pierre Lagourette  2 , Catherine George  2 , Loïc Longeart  2 , Jean-Loïc Le Net  2 , Jitender P Dubey  3
Affiliations
Case Reports

Toxoplasmosis in a bar-shouldered dove (Geopelia humeralis) from the Zoo of Clères, France

Jacques Rigoulet et al. Parasite. 2014.

Abstract
in English, French

Toxoplasmosis causes mortality in several avian species, especially passerine birds. Toxoplasmosis was diagnosed in a bar-shouldered dove (Geopelia humeralis) found dead at the zoo of Clères (France). The bird had necrotizing pneumonia and nephritis with intralesional tachyzoites of Toxoplasma gondii. The diagnosis was confirmed by immunostaining with polyclonal rabbit T. gondii antibodies and by transmission electron microscopy. To our knowledge, the bar-shouldered dove is a new host record for T. gondii.

La toxoplasmose est une cause de mortalité chez plusieurs espèces d’oiseaux, en particulier les passereaux. La toxoplasmose a été diagnostiquée chez une Géopélie à nuque rousse (Geopelia humeralis) retrouvée morte au zoo de Clères (France). L’oiseau avait une pneumonie nécrosante et une néphrite avec tachyzoïtes de Toxoplasma gondii intralésionnels. Le diagnostic a été confirmé par marquage immunologique avec des anticorps polyclonaux de lapin anti-T. gondii et par microscopie électronique à transmission. À notre connaissance, la Géopélie à nuque rousse est un nouvel hôte pour T. gondii.

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Figures

Figure 1.
Figure 1.
Toxoplasma gondii in a bar-shouldered dove, lung. Note the necrotic process. There are numerous intralesional tachyzoites but non-visible at this magnification. H&E stain.
Figure 2.
Figure 2.
Toxoplasma gondii in a bar-shouldered dove, lung. Note a tachyzoite with dividing nucleus (arrow) and individual tachyzoites (arrowheads). H&E stain.
Figure 3.
Figure 3.
Toxoplasma gondii in a bar-shouldered dove, lung. Two tachyzoites enclosed in a parasitophorous vacuolar membrane (pvm). Note conoid (co), micronemes (mn), rhoptries (ro) with honey-combed contents, and a nucleus (nu) in each tachyzoite. The parasitophorous vacuole has membranous tubules. Transmission electron microscopy.
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