Includes structural, behavioral, food, and auditory enrichment.
The addition of branch segments for gnawing was found to be an effective and inexpensive method of environmental enrichment for single-housed adult rhesus macaques.
A summary of basic environmental enrichement for group-housed rhesus macaques. The essence of the social primate is lost under the stresses of the nonsocial condition.
A case study of one pair of rhesus macaques.
Description of an ingenious, simple method to minimize odor, provide species-appropriate nesting opportunities and to facilitate cleaning.
Autoaggression and stereotypies in individually housed cynomolgus monkeys were compared in a standard primate cage and an enriched playpen environment. Stereotypy and autoaggression were markedly reduced in the playpen, but reappeared on return to the...
Against most expectations, after 11 years, the Seattle gorilla exhibit is still lushly landscaped. The animals climb trees to favorite perches to get a better view and browse among certain favourite plants. All of these...
A review of enrichment studies.
The aims of this contribution are to look at three areas which are addressed by enrichment studies, within the context of a review: (1) the problems produced by spatial restriction, (2) the goals of enrichment...
Comprehensive literature review dealing with the following topics: a) Group housing versus single housing; b) Enrichment strategies using inanimate objects; c) Socialization with conspecifics; d) Role of animal care staff.
Subjects were exposed to a PVC pipe and to a gnawing stick uninterruptedly for one year. The singly caged monkeys spent on average 28% of the total observation time [120 min] with the PVC pipes...