Cited by 118Animal Behavior and Welfare StudiesAnimal testing and alternativesAnimal Behavior and Reproduction

Preference for social contact versus environmental enrichment in male laboratory mice

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Van Loo, P. L. P., Van de Weerd, H. A., Van Zutphen, L. F. M., Baumans, V.·2004·Laboratory Animals

Abstract

Due to their aggressive nature, male mice are less frequently used than female mice in biomedical research. When aggressive males are being used, individual housing is common practice. The question arises whether this is an acceptable housing for a social species. The present study was designed to gain more insight into the nature of inter-male social contact and into the potential of a form of environmental enrichment (nesting material) to compensate for the lack of social contact. In a series of tests, we analysed whether male mice of different ages preferred to spend time (1) near a familiar cage mate versus an empty cage, or (2) near to a familiar cage mate versus direct contact with nesting material (tissues). Dwelling time in each of the test cages and sleeping sites was recorded, as was the behaviour of the test mice. Results indicated that when other conditions were similar, male mice preferred to sleep in close proximity to their familiar cage mate. Furthermore, the need to engage in active social behaviour increased with age. Tissues were used to a large extent for sleeping and sleep-related behaviour. It is concluded that single housing in order to avoid aggression between male mice is a solution with evident negative consequences for the animals. When individual housing is inevitable due to excessive aggressive behaviour, the presence of nesting material could partly compensate for the deprivation of social contact.

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  • Mice and rats build nests near conspecifics when partially separated.

    “make nests in close proximity to conspecifics when partially separated43,45”

    From Neural mechanisms of social homeostasis (2019) · cites this paper as [45]

  • Laboratory mice can be much more violent than rats; cases of death due to aggression are not uncommon, especially after placing stranger mice into a common cage.

    “Laboratory mice can be much more violent than rats-cases of death due to aggression are not uncommon, especially after placing stranger mice into a common cage. 68,69”

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Authors
Van Loo, P. L. P., Van de Weerd, H. A., Van Zutphen, L. F. M., & Baumans, V.
Affiliations
  • Department of Laboratory Animal Science, Utrecht University, PO Box 80.166, 3508 TD Utrecht, The Netherlands
  • University of Newcastle, Department of Agriculture, King George VI Building, Newcastle-upon-Tyne NE1 7RU, UK
  • Utrecht University (NL)
Venue
Laboratory Animals
Published
2004-04-01
Volume
38
Issue
2
Pages
178-188
ISSN
  • 0023-6772 (ISSN-L)
  • 1758-1117
OpenAlex
W2133901557
Cited by
118
References
27
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 4 · 2022: 6 · 2021: 3 · 2020: 8 · 2019: 10 · 2018: 6 · 2017: 4 · 2016: 3 · 2015: 5 · 2014: 7 · 2013: 3 · 2012: 6
FWCI
11.93
Type
journal article
Language
en
Open access
Locations
  • Laboratory Animals (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Topics
  • Health Sciences › Veterinary › Small Animals › Animal Behavior and Welfare Studies
  • Health Sciences › Veterinary › Small Animals › Animal testing and alternatives
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
environmental enrichment, nesting material, single housing, aggression, social behavior, animal welfare
MeSH terms
Agonistic Behavior, Animals, Animal Welfare, Behavior, Animal, Housing, Animal, Male, Mice, Inbred BALB C, Random Allocation, Social Dominance, Mice

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