Evaluation of objects for environmental enrichment of mice (1997)

Hobbs, A., Kozubal, W., Nebiar, F. F.

Abstract

Single-cage mice spent 3.58 min interacting with the marble, 50,16 min interacting with the tunnel, and 271.00 min interacting with the nestlet. Control animals spent a mean of 35 min digging in bedding, suggesting that bedding served as an important enrichment device.