Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Petrović, T. G., Vučić, T. Z., Nikolić, S. Z. et al. 2020. The effect of shelter on oxidative stress and aggressive behavior in crested newt larvae (Triturus spp.). Animals 10(4), 603.

Shelters are important for animal survival. Provision of adequate hiding places allow animals to express their natural sheltering behavior and it can have different positive effects on cortisol levels, physiological processes and mental performance. Although...

Brown, J. L., Bansiddhi, P., Khonmee, J. et al. 2020. Commonalities in management and husbandry factors important for health and welfare of captive elephants in North America and Thailand. Animals 10(4), 737.

This review paper is a synthesis of results from multiple studies that we have conducted over the past several years using similar methodologies to identify factors related to welfare of captive populations of elephants in...

Koistinen, T., Moisander-Jylha, A.-M., Korhonen, H. T. 2020. Effects of housing conditions on behaviour and physiology in the Finnraccoon (Nyctereutes procyonoides ussuriensis). Animal Welfare 29(3), 239-255.

The welfare of juvenile Finnraccoons (Nyctereutes procyonoides ussuriensis) was compared between various housing conditions through the measurement of day-time behaviour and physiological variables. For the small control treatment (SC), Finnraccoons were raised in pairs in...

Dubois, A. 2020. Developing and evaluating the impact of an automatic food dispenser on Potos flavus and Vulpes zerda. RATEL (Journal of the Association of British and Irish Wild Animal Keepers) 47(1), 12-16.

Automatic feeders have already been developed by different institutions and companies. Feedpods are a perfect example of an elaborate manufactured device. They are currently used in many institutions with satisfying results. One of the main...

Menezes, J., Souto das Neves, B.-H., Gonçalves, R. et al. 2020. Maternal deprivation impairs memory and cognitive flexibility, effect that is avoided by environmental enrichment. Behavioural Brain Research 381, 112468.

Maternal deprivation (MD) causes cognitive deficits that persist until adulthood. Thereby, the environmental enrichment (EE) is widely used to increase brain plasticity. Here, pregnant female rats were used and their offspring were submitted to neonatal...

Qu, C., Xu, L., Shen, J. et al. 2020. Protection of blood-brain barrier as a potential mechanism for enriched environments to improve cognitive impairment caused by chronic cerebral hypoperfusion. Behavioural Brain Research 379, 112385.

Chronic cerebral hypoperfusion (CCH) is a common pathophysiological basis for Alzheimer’s Disease and vascular dementia in the early stages. It has been confirmed that blood-brain barrier (BBB) destruction is a key factor in CCH-related cognitive...

Crawford, L. E., Knouse, L. E., Kent, M. et al. 2020. Enriched environment exposure accelerates rodent driving skills. Behavioural Brain Research 378, 112309.

Although rarely used, long-term behavioral training protocols provide opportunities to shape complex skills in rodent laboratory investigations that incorporate cognitive, motor, visuospatial and temporal functions to achieve desired goals. In the current study, following preliminary...

Winnicker, C., Gaskill, B., Garner, J. P. et al. 2016. A Guide to the Behavior & Enrichment of Laboratory Rodents. Charles River Laboratories.

Covering species-typical behavior as well as abnormal/malfunctional behavior and stereotypes observed in mice, rats, hamsters and gerbils, this is an excellent resource for those looking to implement or enhance an existing behavioral husbandry and enrichment...

McAllister, B. B., Thackray, S. E., Garciá de la Orta, B. K. et al. 2020. Effects of enriched housing on the neuronal morphology of mice that lack zinc transporter 3 (ZnT3) and vesicular zinc. Behavioural Brain Research 379, 112336.

In the central nervous system, certain neurons store zinc within the synaptic vesicles of their axon terminals. This vesicular zinc can then be released in an activity-dependent fashion as an intercellular signal. The functions of...

Mertens, S., Gass, P., Palme, R. et al. 2020. Effect of a partial cage dividing enrichment on aggression-associated parameters in group-housed male C57BL/6NCrl mice. Applied Animal Behaviour Science 224, 104939.

Group-housing is highly important for social animals. Group-housing of male mice in captivity though often leads to aggression with partially disastrous consequences for the animals as well as for the quality of experimental data. In...

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