Publications

Kong toys as enrichment devices for singly-caged macaques

Providing objects such as Kong toys to macaques in single-animal housing with little or no opportunity for manipulation is mildly enriching to some of the monkeys. Periodically removing and reintroducing the toys would increase their enrichment value.

Year Published: 1989Animal Type: Macaque, Nonhuman Primate

Citation: Crockett, C. M., Bielitzki, J. T., Carey, A. et al. 1989. Kong toys as enrichment devices for singly-caged macaques. Laboratory Primate Newsletter 28(2), 21-22.

Jelly sticks and activity balls for bears (and others!)

An 'activity ball' for Celebes macaques is described.

Year Published: 1989Animal Type: All/General, Macaque, Nonhuman Primate

Citation: Cowan, K. 1989. Jelly sticks and activity balls for bears (and others!). The Shape of Enrichment 7(2), 8-9.

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.

Use of cage space by guinea pigs

Guinea pigs do not evenly use the space of a barren cage, which contains neither bedding or any structure. The animals spent most of the time at the periphery, close the walls of such a cage rather than in the...

Year Published: 1989Animal Type: Guinea Pig, Rodent

Citation: White, W. J., Balk, M. W., Lang, C. M. 1989. Use of cage space by guinea pigs. Laboratory Animals 23, 208-214.

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.

The behaviour of pigs in a semi-natural environment

The species-typical behavior of free-ranging pigs is described.

Year Published: 1989Animal Type: Pig

Citation: Stolba, A., Wood-Gush, D. G. M. 1989. The behaviour of pigs in a semi-natural environment. Animal Production 48, 419-425.

Enriching the lives of captive primates: issues and problems

Discussion of the concept of 'psychological well-being'. For troop-living primates such as rhesus monkeys, the best way to promote their well-being in the laboratory may be to rear them with partners or in social groups. ... Before we conclude that...

Year Published: 1989Animal Type: Macaque, Nonhuman Primate

Citation: Novak, M. A. , Drewsen, K. H. 1989. Enriching the lives of captive primates: issues and problems. In: Housing, Care and Psychological Wellbeing of Captive and Laboratory Primates. Segal, E. F. (ed), 161-182. Noyes Publications, Park Ridge, NJ.

The psychological well-being of captive gorillas

The preceding discussion illustrates the usefulness of naturalistic observation for improving the well-being of captive nonhuman primates.

Year Published: 1989Animal Type: Nonhuman Primate, Other Nonhuman Primate

Citation: Nadler, R. D. 1989. The psychological well-being of captive gorillas. In: Housing, Care and Psychological Wellbeing of Captive and Laboratory Primates. Segal, E. F. (ed), 416-420. Noyes Publications, Park Ridge, NJ.

Psychological enrichment techniques and New World monkey restraint device reduce colony management time

We then began encouraging the animals to voluntarily enter the tubing of the device. Training technique is not described. No data are included in this article.

Year Published: 1989Animal Type: Nonhuman Primate

Citation: Moseley, J. R., Davis, J. A. 1989. Psychological enrichment techniques and New World monkey restraint device reduce colony management time. Lab Animal 18(7), 31-33 .

Chimpanzees in captivity: Humane handling and breeding within the confines imposed by medical research and testing

The ultimate touchstone for the psychological well-being of chimpanzees should be the ability of formerly singly caged animals to integrate into social groups after release into a (simulated) free environment, such as man-made islands.

Year Published: 1989Animal Type: Chimpanzee, Nonhuman Primate

Citation: Moor-Jankowski, J., Mahoney, C. J. 1989. Chimpanzees in captivity: Humane handling and breeding within the confines imposed by medical research and testing. Journal of Medical Primatology 18, 1-26.