Cage size as a factor in environmental enrichment

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Investigated the effects of cage size and cage surface texture as factors in environmental enrichment. 79 C57BL/6J mice were reared in 1 of 4 types of cages: small wire, small Plexiglas, large wire, or large Plexiglas. Dependent measures included gross body weight at 38 and 50 days of age, open-field activity and defecation, running-wheel activity, exploration, and water consumption. Cage size significantly affected 38-day gross body weight, open-field activity and defecation, and water consumption. These findings indicate that cage size is an important factor in the enriched environment experience, and they are in accordance with data reported previously by the authors. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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