Publications by authors named "Pei Yee Oh"

Amebiasis caused by is an important disease in reptile collections, causing severe morbidity and mortality. Surveillance of the parasite at the Singapore Zoo was carried out over a 4-yr period by PCR testing on reptiles that presented with lethargy and enteritis for disease investigation. Asymptomatic reptiles sharing the same enclosures as positive individuals were also tested as part of outbreak investigation.

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An adult 22-year-old, male southern cassowary (Casuarius casuarius) presented for lethargy, dysorexia and soft feces. Clinical findings under chemical immobilization were unremarkable except for heterophilic toxic changes on blood smear, reduced albumin/globulin ratio and potentially elevated liver parameters. The animal was treated for suspected hepatobiliary insufficiency and received supportive treatment with daily subcutaneous fluids and medication and was monitored with a quality-of-life assessment.

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The Sunda pangolin (Manis javanica) faces threat of extinction due to illegal trafficking of its scales for the purpose of traditional medicine in the Asian region. Ex-situ captive breeding and reintroduction programs have been identified to be a key effort in the conservation of the species. The establishment of blood parameters for captive Sunda pangolins are vital to assess the health in these animals during health assessments.

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Two free-ranging female Sunda colugos (Sunda flying lemur; ) were found dead in Singapore in November 2018 and February 2019. Septicemia and mastitis were diagnosed in both animals on postmortem examination. Infectious diseases have not previously been established as a cause of death in wild Sunda colugos.

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Melioidosis is a notifiable infectious disease registered with the Ministry of Health (MOH) and Agri-Food & Veterinary Authority (AVA), Singapore. From a clinical perspective, increased awareness of the disease has led to early detection and treatment initiation, thus resulting in decreasing mortality rates in recent years. However, the disease still poses a threat to local pet, zoo and farm animals, where early diagnosis is a challenge.

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