Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Huber, H. F., Lewis, K. P. 2011. An assessment of gum-based environmental enrichment for captive gummivorous primates. Zoo Biology 30(1), 71-78.

In the wild, many primates consume gums exuded from trees, and many species are gum specialists. In spite of this, few data exist concerning gum feeding in captivity. Using a web-based survey of 46 zoos...

Malone, M. A., Leighty, K. A., Kuhar, C. W. et al. 2011. Behavioral response of silverback gorillas (Gorilla gorilla gorilla) to videos. Journal of Applied Animal Welfare Science 14(2), 96-108.

This study examined the impact of video presentations on the behavior of 4 silverback, western lowland gorillas (Gorilla gorilla gorilla). On each of 5 occasions, gorillas viewed 6 types of videos (blue screen, humans, an...

Robins, J. G., Waitt, C. D. 2011. Improving the welfare of captive macaques (Macaca sp.) through the use of water as enrichment. Journal of Applied Animal Welfare Science 14(1), 75-84.

This review evaluates the use of water as a tool for enriching the environments of macaques (Macaca sp.) in captivity. Many macaque species are known to swim and forage in water in the wild, and...

Runeson, E. P., Lee, G. H., Crockett, C. M. et al. 2011. Evaluating paint rollers as an intervention for alopecia in monkeys in the laboratory (Macaca nemestrina). Journal of Applied Animal Welfare Science 14(2), 138-149.

Adult female macaques (Macaca nemestrina) in the laboratory with alopecia from known or suspected overgrooming were subjects in a study evaluating effectiveness of a grooming device. The intervention evaluated was a paint roller on a...

Seier, J., de Villiers, C., van Heerden, J. et al. 2011. The effect of housing and environmental enrichment on stereotyped behavior of adult vervet monkeys (Chlorocebus aethiops). Lab Animal 40(7), 218-224.

Little information is available on the response of vervet monkeys to different housing conditions or on the suitability of enrichment devices or methods for vervet monkeys. In this study, the authors evaluated the occurrence of...

Tate, M. K., Wu, F., Dugan, C. M. 2011. Integrating aromatherapy into the nonhuman primate enrichment program. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 776-777 (Abstract #P147).

Aromatherapy has been used as a method for reducing anxiety and increasing relaxation throughout history. The Chinese were credited with using aromatic plants for wellbeing. They would burn incense to help create balance and harmony...

Wood, L. L., Boyd, A. M., Rose, R. et al. 2011. Implementation of an enrichment rack for singly housed male nonhuman primates. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 732

The racks provide four different levels of horizontal bars where manipulanda can be hung. .. The racks are positioned in front of a 4-caged housing system. .. The enrichment racks have produced an increase in...

Abou-Ismail, U. A. 2011. Are the effects of enrichment due to the presence of multiple items or a particular item in the cages of laboratory rat? Applied Animal Behaviour Science 134(1-2), 72-82.

Although the effects of environmental enrichment on laboratory rodents have been extensively described, it is not yet known whether these effects were simply due to the presence of multiple items in the cage or due...

Akiyama, K., Sutoo, D. 2011. Effect of different frequencies of music on blood pressure regulation in spontaneously hypertensive rats. Neuroscience Letters 487(1), 58-60.

The effect of different frequencies of music on brain function was investigated through measurement of blood pressure in spontaneously hypertensive rats (SHR). Previous studies indicated that exposure to Mozart's music (K. 205) leads to increased...

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