Effects of different forms of environmental enrichment on behavioral, endocrinological, and immunological parameters in male mice

V Marashi, A Barnekow, E Ossendorf, N Sachser - Hormones and behavior, 2003 - Elsevier
This study investigated effects of different forms of environmental enrichment on behavioral,
endocrinological, and immunological parameters in male mice. For this purpose, animals of
the inbred strain CS were kept in groups of four males under three different housing
conditions:(A) nonstructured Makrolon type III laboratory cages (“standard-housing”= S);(B)
equivalent laboratory cages that were enriched with a box and a scaffolding (“enriched-
housing”= E); and (C) spacious terraria that were structured richly (“super-enriched …