label: GM2 gangliosidosis, Muntjak deer
label_lc: gm2 gangliosidosis, muntjak deer
description: "A lysosomal storage disease that occurs in Muntjak deer in which there is a buildup of GM2 gangliosides in tissues due to the lack of the enzyme β-hexosaminidase A. It is characterised by depression, ataxia, circling and visual deficits from an early age."