Capturing disease trends among different species has indisputable value to both veterinary clinicians and zoo managers for improving the welfare and management of zoo species. The causes of mortality for eight species of gazelle (addra gazelle, Nanger dama; dorcas gazelle, Gazella dorcas; Grant's gazelle, Nanger granti; sand gazelle, Gazella leptoceros; Saudi goitered gazelle, Gazella subgutturosa; Soemmerring's gazelle, Nanger soemmerringii; Thomson's gazelle, Eudorcas thomsonii; and Speke's gazelle, Gazella spekei) are presented from an 18-yr period (1996 2014). The leading cause of mortality for all species was trauma, followed by bronchopneumonia, and failure to thrive/maternal neglect. Nephritis and rumenitis/abomasitis/enteritis were common ancillary lesions across all species. On average, female gazelle lived twice as long as male gazelle, with an average overall adult survival time of 9.3 yr. Dorcas, Thomson's and addra gazelle females had the longest average survival time (10–13 yr). Calves up to 6 mo of age died most frequently from failure of passive transfer or maternal neglect. Thyroid carcinoma was frequently identified in Thomson's gazelle. Sand and Speke's gazelle frequently died from systemic amyloidosis, and Saudi goitered gazelle were more likely to have renal amyloidosis. Hematuria syndrome was the second most common cause of death in Grant's gazelle. The majority of lesions identified in this study that cause or contribute to mortality are preventable with appropriate management. Knowledge of disease trends in captive gazelle populations can help guide veterinary care, management decisions, and collection management planning.
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