Environmental Enrichment

Improving effectiveness of environmental enrichment: The role of light intensity in rock bream (Oplegnathus fasciatus) rearing

Environmental enrichment is a potential approach to enhance the fitness and survival of hatchery fish stocked for conservation purposes. Its effectiveness presumably depends not only on ecologically relevant features of physical enrichment but also on light condition applied. Despite the...

Year Published: 2024Topics: Environmental Enrichment, Husbandry & ManagementAnimal Type: Fish, Other Fish

Citation: Li, Z., He, J., Zhou, S. et al. 2024. Improving effectiveness of environmental enrichment: The role of light intensity in rock bream (Oplegnathus fasciatus) rearing. Applied Animal Behaviour Science 281, 106421.

Early rearing of European seabass (Dicentrarchus labrax) with mild current enrichment modifies fish swimming behavior without altering their growth performance

The implementation of conditions that favor optimum swimming activity (e.g., suitable flow regimes), has been associated with enhanced growth and improved welfare in some farmed fish species. Despite the importance of European seabass in aquaculture, the potential beneficial effects of...

Year Published: 2025Topics: Environmental EnrichmentAnimal Type: Fish, Other Fish

Citation: Magnoni, L. J., Cousin, X., Leguen, I. et al. 2025. Early rearing of European seabass (Dicentrarchus labrax) with mild current enrichment modifies fish swimming behavior without altering their growth performance. Physiology & Behavior 289, 114742.

How much “enrichment” is enough for laboratory rodents? A systematic review and meta-analysis re-assessing the impact of well-resourced cages on morbidity and mortality

Laboratory rodent housing often fails to meet rodents' behavioral and physiological needs. We previously found that compared to well-resourced (often called 'enriched') housing, conventional cages increase mortality rates and the morbidity of stress-sensitive experimentally-induced diseases (anxiety, cancer, cardiovascular disease, depression,...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Mouse, Rat, Rodent

Citation: Cait, J., Winder, C. B., Mason, G. J. 2024. How much “enrichment” is enough for laboratory rodents? A systematic review and meta-analysis re-assessing the impact of well-resourced cages on morbidity and mortality. Applied Animal Behaviour Science 278, 106361.

Effects of simple cage enrichment and its removal on the behavior and welfare of American mink (Neogale vison)

Environmental enrichment may reduce stereotypies in fur-farmed mink. North American mink standards require manipulable enrichment objects within cages. However, mink can rapidly destroy objects inhibiting continuous enrichment presence, which may have negative welfare impacts. This experimental study determined the effects...

Year Published: 2025Topics: Environmental EnrichmentAnimal Type: Mink

Citation: Campbell, D. L. M., Cohen-Barnhouse, A. M., Bursian, S. J. 2025. Effects of simple cage enrichment and its removal on the behavior and welfare of American mink (Neogale vison). Journal of Applied Animal Welfare Science 28(1), 74–89.

Maned wolves (Chrysocyon brachyurus) differ in their responses to environmental enrichment: Why? Applied Animal Behaviour Science 280, 106432

The maned wolf, a species vulnerable to extinction, is widely found in zoos. Environmental enrichment techniques have been recommended to increase environmental unpredictability, therefore stimulating behavioral diversity, and promoting welfare for zoo animals. However, diverse responses to unpredictability have been...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Other Animal

Citation: de Jesus Matos de Brito, L., Schetini de Azevedo, C., Mascarenhas Ladeia Dutra, L. et al. 2024. Maned wolves (Chrysocyon brachyurus) differ in their responses to environmental enrichment: Why? Applied Animal Behaviour Science 280, 106432.

Getting to the root of the problem…How to maximize swine environmental enrichment opportunities in the laboratory animal setting

Swine rooting refers to the natural behavior of pigs to root or dig in soil with their snouts in search of food, roots, insects, and other edible items. This behavior is deeply ingrained in the natural instincts of swine and...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Pig

Citation: De La Garza, F., Long, C. T., Cannon, C. Z. 2024. Getting to the root of the problem…How to maximize swine environmental enrichment opportunities in the laboratory animal setting. Laboratory Animal Science Professional 12(3) (May/June), 30–35.

Poultry enrichment in a research setting

Poultry, like all purpose bred birds, are one of the handful of animals that are not a covered species by the USDA in a research setting. While there are recommendations for husbandry and care available, there are not many defined...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Bird, Chicken

Citation: Scamardo, A., 2024. Poultry enrichment in a research setting. Laboratory Animal Science Professional 12(6) (November/December), 25-28.

The impact of care on chimpanzee welfare: A comprehensive review

Animal welfare research has increased dramatically in scope and prevalence, spanning zoos, aquariums, sanctuaries, and research facilities. Chimpanzees are the most common and well-studied great ape living in human care. This considerable focus on chimpanzee welfare provides the foundation for...

Year Published: 2024Topics: Environmental Enrichment, Social Housing & CompanionshipAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Angley, L. P., Vale, G. L., Cronin, K. A. 2024. The impact of care on chimpanzee welfare: A comprehensive review. Applied Animal Behaviour Science 275, 106272.

Auditory enrichment with different genres of music for colony queens

The aim was to determine changes in clinical parameters, glucose concentration, cortisol and behavior in colony queens in no music conditions compared with exposing to different genres of music. Mixed breed clinically healthy queens (N = 9) were used. Queens were studied...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Cat

Citation: García Mitacek, M. C., Praderio, R. G., Tebes, M. et al. 2024. Auditory enrichment with different genres of music for colony queens. Laboratory Animals 58(4), 302–312.

Periodic stays in a ‘playcage’ as an environmental enrichment measure for laboratory rats housed in individually ventilated cages: Short report

Male Zucker Diabetic Sprague Dawley rats were housed in standard individually ventilated cages with floor area of 1500 cm2, and were placed in a ‘playcage' (a large open cage) for three visits per week from the age of 16–18 weeks. The...

Year Published: 2024Topics: Environmental EnrichmentAnimal Type: Rat, Rodent

Citation: Gudbrandsen, O. A. 2024. Periodic stays in a ‘playcage' as an environmental enrichment measure for laboratory rats housed in individually ventilated cages: Short report. Laboratory Animals 58(4), 365–368.