Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Williams-Fritze, M. J., Altieri, J. A., Clough, C. et al. 2010. Modification of a dog cage for use as an exercise unit for rabbits. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 703 (Abstract #P70).

The Guide for the Care and Use of Animals and the USDA Animal Welfare Regulations (AWR) outline minimum space requirements for laboratory animals, including rabbits. These documents encourage housing of animals in enclosures that allow...

Hoy, J. M., Murray, P. J., Tribe, A. 2010. Thirty years later: Enrichment practices for captive mammals. Zoo Biology 29(3), 303-316.

Environmental enrichment of captive mammals has been steadily evolving over the past thirty years. For this process to continue, it is first necessary to define current enrichment practices and then identify the factors that limit...

Jacobsen, K. R. 2010. The effect of environmental enrichment on the behavior of captive tufted capuchin monkeys (Cebus apella). Lab Animal 39(9), 269-277.

The authors provided different forms of environmental enrichment to six old laboratory male tufted capuchin monkeys (Cebus apella) and studied the behavior of the monkeys during a baseline period and during three enrichment periods. Each...

Lozano, A., West, A., Leland, S. et al. 2010. Preventing boredom in NHPs using fleece fabric and food treats. Tech Talk [The Newsletter for Laboratory Animal Science Technicians] 15(5), page numbers missing.

Recently, I devised yet another way to use this fleece material to enhance the environments of our animals. To this end, I sought out a way to present food enrichment to our animals so that...

Waitt, C. D., Bushmitz, M., Honess, P. E. 2010. Designing environments for aged primates. Laboratory Primate Newsletter, 49(3), 5-9.

In order to prevent physical and psychological deterioration in older animals, it is important to apply the same principles of environmental enrichment and housing as are applied to younger animals. As we have discussed above...

Õkva, K., Nevalainen, T., Mauranen, K. et al. 2010. The effect of three different items of cage furniture on the behaviour of male C57BL/6J mice in the plus-maze test. Animal Welfare 19(4), 401-409.

The aim of this study was to assess the effects of specific regimens of enrichment on the behaviour of C57BL/6J mice in the elevated plus-maze test (EPM). A total of 192 male C57BL/6J mice were...

Zavaskis, T., Hernandez, D., DiPaolo, B. et al. 2010. Termite mound feeders as naturalistic chimpanzee enrichment. Tech Talk [The Newsletter for Laboratory Animal Science Technicians] 15(4), 1.

These mounds (6 x 4 x 4 ft.) are small enough to fit inside the entrance to the outdoor play yard, yet large enough to prevent the mound from tipping over with several animals on...

Abou-Ismail, U. A., Burman, O. H. P., Nicol, C. J. et al. 2010. The effects of enhancing cage complexity on the behaviour and welfare of laboratory rats. Behavioural Processes 85(2), 172-180.

This experiment was carried out to investigate the long-term effects of enhancing cage complexity on behavioural measures of welfare in laboratory rats. We housed 72 rats in groups of four in either ‘enriched’ or ‘unenriched’...

Andrews-Kelly, G. 2010. Canine socialization through the use of playrooms or exercise rooms. Enrichment Record 5, 7-9.

Comprehensive enrichment programs for dogs, while not required by regulations, are becoming more common in research facilities. Many institutions are providing chewable enrichment devices and pair or group housing for their canine colonies. Human interaction...

Araki, A. 2010. Using environmental enrichment to reduce fighting in mice. Tech Talk [The Newsletter for Laboratory Animal Science Technicians] 15(4), 6.

A colony of mice (base strain C57Bl6) was transferred to Oregon State University. Fighting was observed in six cages of males (2 to 5 mice per cage) at cage change, but not during daily checks...

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