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An external mass was observed on the ear of a free-ranging Bairdâ€™s Tapir Tapirus bairdii. The mass was surgically removed under general anesthesia and was histopathologically identified as sebaceous gland adenoma. Hematological and biochemical analyses were also performed. The animal showed a mild anemia and the other values were unremarkable. Only few cases of tumors have been reported in tapirs and this is the first report of a tumor in a free ranging BairdÂ´s Tapir. The presence of any disease in free-ranging wildlife should call our attention in order to develop a better understanding of disease ecology, especially in threatened species.
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