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Title
Pathology of the bearded dragon (Pogona vitticeps): A retrospective analysis of 36 cases
Author(s)
Crouch, Esther E.V.;McAloose, Denise;McEntire, Michael S.;Morrisey, James K.;Miller, Andrew D.
Published
2021
Publisher
Journal of Comparative Pathology
Published Version DOI
https://doi.org/10.1016/j.jcpa.2021.05.004
Abstract
The bearded dragon (Pogona vitticeps) is a common species in the pet reptile trade and in zoological collections. Despite this, only a few reviews detailing common causes of mortality have been published. The goal of this retrospective study was to compile information related to the presence and prevalence of various diseases in bearded dragons in several private and one zoological collection. Findings from 36 animals, necropsied over a 20-year period were categorized on the basis of the cause of death or euthanasia and the organ system affected. Multiple contributors to death were identified in a subset of animals (n = 12; 33.33%) and were counted in more than one category. The most common contributors to death by category were inflammatory (infectious or non-infectious) diseases (n = 25; 69.44%), followed by chronic/degenerative diseases (n = 17; 47.22%). Diseases or conditions that were systemic, or affected the hepatobiliary system, were the most commonly implicated in death. The most frequent histological findings included hepatic fatty change, renal tubular epithelial pigmentation and the presence of faveolar hyaline-like material. Although Chi square testing did not reveal an association between these common findings and comorbidities, a statistically significant association was found between chronic/degenerative causes of death and renal tubular epithelial pigment. Chi square testing of categorical variables, including contributors to death, primary organ(s) affected, sex, age class and institution, identified statistically significant associations between males and chronic/degenerative disease (P = 0.043) and inflammatory contributors to death and private collection animals (P = 0.039). Death due to inflammatory contributors was significantly higher in the 1-5-year-old and >5-year-old age classes (P = 0.02). (C) 2021 Elsevier Ltd. All rights reserved.
Keywords
bearded dragon;mortality;pathology;Pogona vitticeps;pulmonary hyalinosis;infection;atherosclerosis;mycobacteria;adenoviruses;leukemia;Pathology;Veterinary Sciences
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PUB26596