Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Wagman, J. D., Lukas, K. E., Dennis, P. M. et al. 2018. A work-for-food enrichment program increases exploration and decreases stereotypies in four species of bears. Zoo Biology 37(1), 3–15.

Zoo‐housed bears are prone to exhibiting stereotypic behaviors, generally considered indicators of negative welfare. We explored the effects of a variable‐time feeding enrichment schedule on behavioral indicators of welfare in four bear species at Cleveland...

Cabana, F., Maguire, R., Hsu, C-D. et al. 2018. Identification of possible nutritional and stress risk factors in the development of marmoset wasting syndrome. Zoo Biology 37(2), 98–106.

Marmoset wasting syndrome (MWS) describes a series of symptoms in callitrichids that lead to general weakness and a failure to thrive in captive conditions such as zoological institutions. Though the cause of MWS has not...

Shapiro, M. E., Shapiro, H. G., Ehmke, E. E. 2018. Behavioral responses of three lemur species to different food enrichment devices. Zoo Biology 37(3), 146–155.

Environmental enrichment is a tool used to promote the welfare and well‐being of captive animals by encouraging the display of species‐specific behaviors and reducing the stress or boredom induced by captive environments. Lemurs are highly...

Grunauer, P. P., Walguarnery, J. W. 2018. Relative response to digital tablet devices and painting as sensory enrichment in captive chimpanzees. Zoo Biology 37(4), 269–273.

Digital devices, including tablet computers and other touchscreens, can potentially serve as flexible and convenient means for providing behavioral enrichment activities to captive primates. Despite increased interest in incorporating technology into enrichment programs, no direct...

Hooper, J. 2016. An assessment of enrichment strategies for sanctuary housed spider monkeys (Ateles geoffroyi). Canopy 17(1), 14-16.

From May- July 2014, I conducted research within a private spider monkey sanctuary, Ecoparque el Fenix, in Campeche, Mexico, home to 20 spider monkeys obtained from the illegal pet trade. Limited financial resources had resulted...

Palmer, S. 2017. Rescue-Enrich-Release: The environmental enrichment program for three species of captive primates at Colobus. Canopy 17(2), 27-30.

It is widely known that the psychological wellbeing of captive animals can become compromised by a captive environment that lacks proper environmental stimulation. Environmental enrichment programs have become the norm in captive environments yet research...

Cannon, T. 2017. Tailored enrichment strategies and stereotypic behaviour in captive individually-housed macaques (Macaca spp.). Canopy 17(2), 13-16.

In this study, I combine both physiological and behavioural measures of well-being to comprehensively assess the unique needs of individually-housed captive macaques (Macaca spp.) at OPR Coastal Primate Sanctuary in Longview, WA, with the aim...

Bowman, A., Scottish SPCA, Dowell, F. J. et al. 2017. 'The effect of different genres of music on the stress levels of kennelled dogs'. Physiology & Behavior 171, 207-215.

Classical music has been shown to reduce stress in kennelled dogs; however, rapid habituation of dogs to this form of auditory enrichment has also been demonstrated. The current study investigated the physiological and behavioural response...

Brown, S. M., Peters, R., Lawrence, A. B. 2017. Up-regulation of IGF-1 in the frontal cortex of piglets exposed to an environmentally enriched arena. Physiology & Behavior 173, 285-292.

Environmental enrichment (EE) is widely used in the life sciences to study effects of environment on the brain. In pigs, despite lack of EE being a key welfare issue there is little understanding of brain...

Walker, M., Mason, G. 2018. A comparison of two types of running wheel in terms of mouse preference, health, and welfare. Physiology & Behavior 191, 82-90.

Voluntary wheel running occurs in mice of all strains, sexes, and ages. Mice find voluntary wheel running rewarding, and it leads to numerous health benefits. For this reason wheels are used both to enhance welfare...

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