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This case recap discusses the unfortunate demise of a 7-year-old female small African ungulate born in a zoo. The animal exhibited lethargy, ataxia, weight loss, and dehydration, progressively worsening until death occurred the following day. Necropsy revealed interstitial pneumonia and lesions consistent with Toxoplasmosis gondii infection, confirmed by immunohistochemical methods and serological evidence. The case raises questions about transmission routes, particularly the role of feral cats as potential sources of T. gondii for zoo animals.
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Kristen Baumann Christie Kranz Kristi Kauppi Case 2
Recap • Small African ungulate • 7 year old female, born in zoo • Lethargic, ataxia, thin and dehydrated • Progressively worse, died next day
Toxoplasmosis gondii • Why? • Interstitial pneumonia • Lethargic • Ataxia • Lesions
Toxoplasmosis gondii • Lesions • Necropsy revealed protozoans • Immunohistochemical identification of Toxoplasmosis gondii in the tissue sections and presence of T. gondii in serum samples • T. gondii-associated lesions in visceral tissues
Exam Question • What is one way a zoo animal may be infected with T. gondii? • Feral cats