Environmental Enrichment

Environmental enrichment device and egg production in laying hens

A commercially available toy, suspended from the cage roof reduced aggression in laying hens.

Year Published: 1997Topics: Environmental EnrichmentAnimal Type: Bird, Chicken

Citation: Baroli, D., Ghiandoni, S., Mantovani, C. et al. 1997. Environmental enrichment device and egg production in laying hens. In: Proceedings of the European Symposium on Poultry Welfare. Koene, P. , Blokhuis, H. J. (eds), 107-108. Ponsen and Looyen, Wageningen, Netherlands.

Effects of social and inanimate enrichment of the behavior of yearling rhesus monkeys

Certain types of inanimate environmental enrichment have been shown to positively affect the behavior of laboratory primates, as has housing them in appropriate social conditions. While social housing is generally advocated as an important environmental enhancement, few studies have attempted...

Year Published: 1996Topics: Environmental Enrichment, Social Housing & CompanionshipAnimal Type: Macaque, Nonhuman Primate

Citation: Schapiro SJ, Bloomsmith MA, Suarez SA, et al. 1996. Effects of social and inanimate enrichment of the behavior of yearling rhesus monkeys. Am J Primatol. 40;247-260.

Effects of feeding enrichment on ruffed lemurs varecia variegata veriegata and varecia v. rubra

Providing food at a high level in [mesh] baskets [rather than scattering it on/near the ground] increased arboreal activity outside feeding times and reduced aggression over food.

Year Published: 1996Topics: Environmental EnrichmentAnimal Type: Lemur, Nonhuman Primate

Citation: Zimmermann, A., Feistner, A. T. C. 1996. Effects of feeding enrichment on ruffed lemurs varecia variegata veriegata and varecia v. rubra. Dodo, Journal of the Wildlife Preservation Trust 32, 67-75.

Environmental enrichment of cynomolgus monkeys used for behavioral toxicology studies

Year Published: 1996Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Wrenshall, E., Gilbert, S. G. 1996. Environmental enrichment of cynomolgus monkeys used for behavioral toxicology studies. American Journal of Primatology 10, 442 (Abstract).

Ethological considerations for designing behavioral enrichment

In this article, I attempt to provide information to enhance the reader's appreciation for the different behaviors of particular species [squirrel monkey and macaques included], and explain how such an understanding can positively influence environmental designs and management protocol.

Year Published: 1996Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate, Squirrel Monkey

Citation: Williams, L. E. 1996. Ethological considerations for designing behavioral enrichment. Lab Animal 25(3), 29-33.

Rotational use of a recreational cage for the environmental enrichment of Japanese macaques (Macaca fuscata)

The study provides evidence that the problem of boredom and declining use of enrichment devices usually seen with nonhuman primates can be addressed by rotating the animals through a recreation cage larger than the standard individual cage. The rotational use...

Year Published: 1996Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Tustin, G. W., Williams, L. E., Brady, A. G. 1996. Rotational use of a recreational cage for the environmental enrichment of Japanese macaques (Macaca fuscata). Laboratory Primate Newsletter 35(1), 5-7.

The effects of different types of feeding enhancements on the behaviour of single-caged, yearling rhesus macaques

Enrichment techniques designed to encourage captive primates to spend more species-appropriate amounts of time in foraging behaviours have been successful. The present study measured the behavioural effects of four feeding enhancements: two devices (mats and puzzles) and two foods (produce...

Year Published: 1996Topics: Environmental Enrichment, Husbandry & ManagementAnimal Type: Macaque, Nonhuman Primate

Citation: Schapiro, S. J., Suarez, S. A., Porter, L. M. et al. 1996. The effects of different types of feeding enhancements on the behaviour of single-caged, yearling rhesus macaques. Animal Welfare 5, 129-138.

Enrichment effects on rhesus monkeys successively housed singly, in pairs, and in groups

Subjects were more socially oriented when pair-housed than when living in small groups. Inanimate enrichment did not affect behavior ... although enhancements were well-used by singly-caged yearlings and pair-housed juveniles. Subjects used enrichment less frequently when housed in groups. The...

Year Published: 1996Topics: Environmental Enrichment, Social Housing & CompanionshipAnimal Type: Macaque, Nonhuman Primate

Citation: Schapiro, S. J., Bloomsmith, M. A., Porter, L. M. et al. 1996. Enrichment effects on rhesus monkeys successively housed singly, in pairs, and in groups. Applied Animal Behaviour Science 48, 158-172.

Primate housing facilities for pharmaceutical research in Switzerland (an example)

According to the Swiss Animal Welfare Legislation, the minimal enclosure area for macaques of the size of rhesus or cynomolgus monkeys for experimental purposes is 15 cubic meters. In such an enclosure up to 5 adult animals may be kept...

Year Published: 1997Topics: Environmental Enrichment, Housing, Social Housing & CompanionshipAnimal Type: Macaque, Nonhuman Primate

Citation: Burge, T., Panoussis, B., Weber, H. 1997. Primate housing facilities for pharmaceutical research in Switzerland (an example). Primate Report 49, 19-22.

Environmental enrichment: does it reduce barbering in mice?

One of the problems in maintaining group-housed mice is barbering one or more mice chewing (barbering) the fur and whiskers of other mice. A group of 300 mice of both sexes, which are being studied over their lifetime, were housed...

Year Published: 1997Topics: Abnormal/Problematic Behavior, Environmental EnrichmentAnimal Type: Mouse, Rodent

Citation: DeLuca, A. M. 1997. Environmental enrichment: does it reduce barbering in mice? Animal Welfare Information Center (AWIC) Newsletter 8(2), 7-8.