“…A 3-year-old, neutered male, domestic ferret infected with Mycobacterium celatum was examined for a 5-month history of coughing, recent weight loss, reduced general condition, vomiting, and mild diarrhea. Histologic examination of lung, lymph nodes, spleen, liver, and brain showed granulomatous inflammation with predominantly macrophages, epithelioid cells (in the lung, including the bronchioles), and some multinucleated giant cells (Ludwig et al, 2011). At necropsy, the lungs contained multifocal firm, light brown nodules, 6-10 mm in diameter).…”