Diet-induced diabetes in captive plains viscachas (Lagostomus maximus)

Plains viscachas (Lagostomus maximus) are large, nocturnal rodents that inhabit the pampas of Paraguay, Bolivia and Argentina. They are considered to feed on poor quality food in the wild: grass, forbs and bushes. Plains viscachas have been kept and bred at Zurich Zoo since 1964 and have shown the tendency to develop a type II diabetes mellitus, which was supposedly...