Suspected Fusariomycotoxicosis in Sandhill Cranes (Grus canadensis): Clinical and Pathological Findings

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Abstract
In 1985 and 1986, large-scale natural die-offs of sandhill cranes in Texas [USA] were attributed to fusariomycotoxicosis. These birds demonstrated a progressive loss of motor control to the neck, wings, and legs. Based on necropsy and/or histopathology of 31 cranes, the most common lesions involved skeletal muscle and included hemorrhages, granulomatous myositis, thrombosis, and vascular degeneration. Serum chemistry results revealed that levels of creatinine kinase, aspartate aminotransferase and alanine aminotransferase were above published normals. However, only alanine aminotransferase was higher in clinically affected cranes than in normal cranes collected from the same area.