Environmental Enrichment

Includes structural, behavioral, food, and auditory enrichment.

Jacobson, S. L., Kwiatt, A. C., Ross, S. R. et al. 2019. The effects of cognitive testing on the welfare of zoo-housed Japanese macaques (Macaca fuscata). Applied Animal Behaviour Science 212, 90-97.

Cognitive testing programs are being implemented more frequently in zoo settings due to the benefits these programs can provide for the animals, researchers and zoo visitors. However, the impact that cognitive studies have on the...

Mandel, R., Wenker, M. L., van Reenen, K. et al. 2019. Can access to an automated grooming brush and/or a mirror reduce stress of dairy cows kept in social isolation? Applied Animal Behaviour Science 211, 1-8.

In dairy farming, social isolation of cattle is commonly practiced for husbandry procedures such as artificial insemination, claw trimming and at times, for provision of medical treatment. When isolated, cows express physiological and behavioural signs...

Moroki, Y. 2019. Sham dustbathing in cages by subordinate hens is increased by a partition providing isolation. Applied Animal Behaviour Science 210, 68-72.

Subordinate hens express less sham dustbathing in cages than higher ranked hens, their bouts often being disturbed by a higher ranked hen. However, seeing conspecifics seems to encourage this behaviour by hens. So to avoid...

Baxter, M., O’Connell, N. E. 2019. Does grouping environmental enrichments together affect the way they are used by commercially housed broiler chickens? Applied Animal Behaviour Science 210, 52-59.

Identifying the most attractive ways of presenting environmental enrichments in commercial broiler housing may encourage use and optimise their effectiveness. This study investigated the effect of grouping straw bales (SB), oat hulls (OH; as a...

Wallgren, T., Larsen, A., Lundeheim, N. et al. 2019. Implication and impact of straw provision on behaviour, lesions and pen hygiene on commercial farms rearing undocked pigs. Applied Animal Behaviour Science 210, 26-37.

According to the European Union Council Directive 2008/120EC, measures to minimise the risk for tail biting shall be taken before practicing tail docking, e.g. provision of manipulable material. Still, >90% of the pigs within EU...

Schild, S.-L. A., Rangstrup-Christensen, L., Bonde, M. et al. 2018. The use of a shaded area during farrowing and lactation in sows kept outdoors. Applied Animal Behaviour Science 209, 22-29.

The hut temperature in outdoor pig production during summer can exceed the upper critical temperature of lactating sows. Therefore, sows may experience hyperthermia, a condition which has several adverse consequences for the welfare of both...

Stachowicz, J., Gygax, L., Hillmann, E. et al. 2018. Dairy goats use outdoor runs of high quality more regardless of the quality of indoor housing. Applied Animal Behaviour Science 208, 22-30.

For dairy goats in loose housing, access to an outdoor run has potential welfare benefits as it provides additional space, enables spatial separation and may offer items representing behavioural enrichment for the goats (e.g. brush...

Norman, K. I., Weeks, C. A., Pettersson, I. C. et al. 2018. The effect of experience of ramps at rear on the subsequent ability of layer pullets to negotiate a ramp transition. Applied Animal Behaviour Science 208, 92-99.

In commercial situations, laying hens must negotiate levels to reach resources such as food, water and litter. Providing ramps in aviary systems reduces collisions and resultant keel bone fractures in adults. We investigated whether providing...

Carlone, B., Gazzano, A., Gutiérrez, J. et al. 2018. The effects of green odour on domestic dogs: A pilot study. Applied Animal Behaviour Science 207, 73-78.

Green odour (a mixture of cis-3-hexenol and trans-2-hexenal), similar to cut grass, has been demonstrated to appease subjects of various species (rats, cattle, humans etc.) subjected to different stressful stimuli. The aim of this study...

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