Pulmonary Anthracosis in A Lion Tailed Macaque (Macaca silenus), An Endangered Primate Species - A Case Report

Anthracosis is the blackish pigmentation of lung parenchyma and tracheobronchial tree. A female Lion Tailed Macaque aged 19 years was being kept captive in Thiruvananthapuram Zoo for 17 years. On 30th November 2019, animal found dead zoo subjected to a necropsy at hospital. The revealed diffused black deposits throughout lungs on gross examination. histopathological analysis, could be as free particles addition those observed macrophages. Vehicular emissions seem have caused condition develop. This first reported case anthracosis Macaque. can adversely affect health life expectancy Macaques. conservation status Macaques makes it important prevent such pathologies from affecting relatively smaller population species.