National AALAS 2024 -- Male mice live socially together in the wild. Typically, in groups of one sexually mature male and multiple females. Due to animal welfare concerns, some facilities moved toward single housing of males. Laboratories have success when submissive males have space to escape aggressor, and the cage has adequate resources to mitigate resource guarding. The goal of this study was to find a solution to socially house male mice while making minimal adjustments to current facility housing standards.

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