Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Foreman-Worsley, R., Farnworth, M. J. A systematic review of social and environmental factors and their implications for indoor cat welfare. Applied Animal Behaviour Science 220, 104841.

Cats are one of the world’s most populous companion animals, yet little is known about how the home environment is adapted relative to their needs. Outdoor access is thought to be beneficial for both the...

Shi, H., Li, B., Tong, Q. et al. 2019. Influence of nest boxes and claw abrasive devices on feather pecking and the fear responses of layer breeders in natural mating colony cages. Applied Animal Behaviour Science 220, 104842.

Natural mating colony cages for parent-stock layer breeders, instead of conventional cages with artificial insemination, have been widely adopted by many commercial farms in China. Although some natural mating behaviours can be expressed and broader...

Tatemoto, P., Bernardino, T., Alves, L. et al. 2019. Environmental enrichment for pregnant sows modulates HPA-axis and behavior in the offspring. Applied Animal Behaviour Science 220, 104854.

Our goal was to assess the effects of environmental enrichment during gestation on the hypothalamic–pituitary–adrenal axis (HPA) and behavior of offspring. In order to test our hypothesis, we kept 18 sows (Sus scrofa domesticus) in...

Bach, M. H., Tahamtani, F. M., Pedersen, I. J. et al. 2019. Effects of environmental complexity on behaviour in fast-growing broiler chickens. Applied Animal Behaviour Science 219, 104840.

Modern broiler chickens spend a great proportion of their time resting, which poses a major threat to their welfare due to the increased risk of contact dermatitis and the incidence and severity of leg problems...

LaFollette, M. R., Swan, M. P., Smith, R. K. et al. 2019. The effects of cage color and light intensity on rat affect during heterospecific play. Applied Animal Behaviour Science 219, 104834.

Environmental enrichment provides physiological and emotional benefits to laboratory rodents. Red tinted shelters are a common enrichment found in laboratories that provide rodents with a hiding space shielded from bright light. Red tinting alters the...

Rosvold, E. M., Newberry, R. C., Andersen, I. L. 2019. Early mother-young interactions in domestic sows – Nest-building material increases maternal investment. Applied Animal Behaviour Science 219, 104837.

Nest building is important in sow preparation for motherhood. However, straw or other bulky materials can block drains, and a finer-grained material such as peat is of interest as an alternative. The main aim of...

Chudeau, K. R., Johnson, S. P., Caine, N. G. 2019. Enrichment reduces stereotypical behaviors and improves foraging development in rehabilitating Eastern Pacific Harbor Seals (Phoca vitulina richardii). Applied Animal Behaviour Science 219, 104830.

There is empirical support for the efficacy of enrichment in decreasing stereotypical behaviors and increasing naturalistic behaviors in laboratory, agricultural, and zoological settings. However, little research has been done on the possible value of enrichment...

Zhang, Z., Zhang, X., Li, Z. et al. 2019. Effects of different levels of environmental enrichment on the sheltering behaviors, brain development and cortisol levels of black rockfish Sebastes schlegelii. Applied Animal Behaviour Science 218, 104825.

Environmental enrichment is a promising way to increase the fitness and survival of fish released for stock enhancement and biological conservation programs. However, the effects of enrichment in different studies on the fish behavior, physiology...

Nip, E., Adcock, A., Nazal, B. et al. 2019. Why are enriched mice nice? Investigating how environmental enrichment reduces agonism in female C57BL/6, DBA/2, and BALB/c mice. Applied Animal Behaviour Science 217, 73-82.

Compared to female mice raised in large, environmentally enriched (EE) cages, those from “shoebox” non-enriched (NE) cages demonstrate more stereotypic behaviour (SB) and depressive-like effects (i.e. learned helplessness; and inactive-but-awake behaviour [IBA], where a mouse...

Willen, R. M., Schiml, P. A., Hennessy, M. B. Enrichment centered on human interaction moderates fear-induced aggression and increases positive expectancy in fearful shelter dogs. Applied Animal Behaviour Science 217, 57-62.

Some otherwise non-aggressive dogs may display fear-induced aggression under stressful conditions. Admittance to an animal shelter is a stressful experience for dogs, and aggression is often used as a criterion by shelters for precluding opportunities...

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