Griffis, C., Martin, A. L., Perlman, J. E. et al. 2012. Effects of play caging on the behavior and enrichment use of singly-ho
This study examined whether allowing 10 singly-housed adult male rhesus macaques (Macaca mulatta) 2-week access to a larger play cage would increase their species-typical behavior and decrease anxiety and abnormal behavior. The play cage consisted...