Environmental Enrichment

A review of environmental enrichment strategies for singly-caged nonhuman primates

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.

Year Published: 1989Topics: Environmental Enrichment, Human-Animal Interaction, Social Housing & CompanionshipAnimal Type: Baboon, Capuchin, Chimpanzee, Lemur, Macaque, Marmoset, Nonhuman Primate, Other Nonhuman Primate, Owl Monkey, Squirrel Monkey, Vervet (African Green Monkey)

Citation: Fajzi, K., Reinhardt, V., Smith, M. D. 1989. A review of environmental enrichment strategies for singly-caged nonhuman primates. Lab Animal 18(2), 23-35.

Restricted daily exposure to environmental enrichment increases the diversity of exploration

Two hours of daily exposure to environmental enrichment produced similar object exploration effects than 24 hours of daily exposure.

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Rat, Rodent

Citation: Widman, D. R., Rosellini, R. A. 1989. Restricted daily exposure to environmental enrichment increases the diversity of exploration. Physiology and Behavior 47, 57-62.

Environmental influences on the development of behaviour and their relation to welfare

Environmental enrichment can decrease fear responses to people and reduce feather pecking.

Year Published: 1989Topics: Abnormal/Problematic Behavior, Environmental EnrichmentAnimal Type: Bird, Chicken

Citation: Vestergaard, K. S. 1989. Environmental influences on the development of behaviour and their relation to welfare. In: Proceedings of the European Symposium on Poultry Welfare. Faure, J. M. , Mills, A. D. (eds), 109-122. World's Poultry Science Association, Tours, France.

Primate research models and environmental enrichment

An apparatus that the monkey can control, and that responds to the monkey in some way, will be used by a larger proportion of animals, and for a longer period of time, than devices or toys that are not actively...

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Nonhuman Primate

Citation: Markowitz, H. , Line, S. W. 1989. Primate research models and environmental enrichment. In: Housing, Care and Psychological Wellbeing of Captive and Laboratory Primates. Segal, E. F. (ed), 202-212. Noyes Publications, Park Ridge, NJ.

Auditory enrichment for Lar gibbons, Hylobates lar, at London Zoo

Playing duets to captive gibbons resulted in increased species-typical activity and vocalisation without evidence of habituation.

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Gibbon, Nonhuman Primate

Citation: Shepherdson, D., Carman, M., Bemment, N. et al. 1989. Auditory enrichment for Lar gibbons, Hylobates lar, at London Zoo. International Zoo Yearbook 28, 256-260.

On the care of captive chimpanzees: Methods of enrichment

Television can be a great source of environmental enrichment if the chimpanzee can perceive the relevance of what it sees on the screen to the world it knows.

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Rumbaugh, D. M., Washburn, D. A., Savage-Rumbaugh, E. S. 1989. On the care of captive chimpanzees: Methods of enrichment. In: Housing, Care and Psychological Wellbeing of Captive and Laboratory Primates. Segal, E. F. (ed), 357-375. Noyes Publications, Park Ridge, NJ.

Evaluation of the long-term effectiveness of two environmental enrichment objects for singly caged rhesus macaques

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 but only 3% with the...

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Reinhardt, V. 1989. Evaluation of the long-term effectiveness of two environmental enrichment objects for singly caged rhesus macaques. Lab Animal 18(6), 31-33.

Short-term and long-term benefits of environmental enrichment on laboratory rhesus monkeys (Macaca mulatta)

The animals were transferred from their barren group cage to a more spacious playroom equipped with climbing /perching structures and swings for one hour per day, five days a week: The animals showed a decline in the frequency of three...

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: O'Neill, P. L. 1989. Short-term and long-term benefits of environmental enrichment on laboratory rhesus monkeys (Macaca mulatta). American Zoo and Aquarium Association (AZA) Regional Conference Proceedings, 616-625.

Choices for captive primates

General considerations for appropriate cage space arrangement for small monkeys.

Year Published: 1989Topics: Environmental Enrichment, HousingAnimal Type: Marmoset, Nonhuman Primate

Citation: Shumaker, R. W. 1989. Choices for captive primates. Humane Innovations and Alternatives in Animal Experimentation 3, 117.

Environmental enrichment: Measuring the behaviour of animals

Clear and simple guidelines to monitor the effectiveness of enrichment options.

Year Published: 1989Topics: Environmental EnrichmentAnimal Type: All/General

Citation: Shepherdson, D. 1989. Environmental enrichment: Measuring the behaviour of animals. RATEL (Journal of the Association of British Wild Animal Keepers) 16, 134-139.