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20 March 2023 MORBIDITY AND MORTALITY OF BINTURONGS (ARCTICTIS BINTURONG) IN UNITED STATES ZOOLOGICAL INSTITUTIONS (1986–2019)
Alexander McFarland, Anneke Moresco, Sushan Han, Celeste Lombardi, James G. Johnson III
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Abstract

Veterinary literature on diseases in binturong (Arctictis binturong) is often limited to case series or reports without population-level information. Morbidity and mortality data were collected from North American institutions through survey completion or submission of medical records. Responses included information about 74 individuals (37 males, 30 females, and 7 unknown neonates) representing 22 institutions, from 1986 to 2019. Antemortem data were available from 39 individuals, and postmortem data were available from 53 individuals. Eighteen individuals had both antemortem and postmortem records available. Age (mean ± SD) at death for adults (n = 41) was 15.2 ± 4.3 yr. Morbidity events were summarized by affected organ system; 160 events were reported. The systems with the most frequently reported events were gastrointestinal (33%; 53/160), integumentary (19%; 31/160), urinary (12%; 20/160), and musculoskeletal (19 [12%] of 160). Excluding neonates, primary causes of mortality included neoplasia (51%; 21/41), infectious or inflammatory diseases (24%; 10/41), and cardiovascular disease (17%; 7/41). Neoplasms (51%; 21/41) confirmed on histopathology included renal adenocarcinoma (47%; 10/21); mammary carcinoma (14%; 3/21); pancreatic islet cell carcinoma (2 [10%] of 21); and single instances of multicentric lymphoma, uterine carcinoma, and submucosal urethral adenoma. There were three additional cases of presumed neoplasia without histopathologic confirmation; masses were detected in the liver, heart base, and pancreas. Metastases were reported in 15 (71%) of 21 neoplasms. Although neoplasia and cardiovascular disease were common causes of mortality, they were rarely diagnosed antemortem. Neoplasia was often malignant and generally diagnosed after metastasis. Preventive medicine protocols with improved renal and cardiovascular evaluation are warranted and may result in earlier detection of subclinical disease in binturong.

Alexander McFarland, Anneke Moresco, Sushan Han, Celeste Lombardi, and James G. Johnson III "MORBIDITY AND MORTALITY OF BINTURONGS (ARCTICTIS BINTURONG) IN UNITED STATES ZOOLOGICAL INSTITUTIONS (1986–2019)," Journal of Zoo and Wildlife Medicine 54(1), 73-81, (20 March 2023). https://doi.org/10.1638/2021-0089
Accepted: 30 September 2022; Published: 20 March 2023
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