Labanimal

The December episode of 3 Minute 3Rs, brought to you by the NC3Rs (www.nc3rs.org.uk), the North American 3Rs Collaborative (www.na3rsc.org), and Lab Animal (www.nature.com/laban). Papers: 1. Cage aggression in group-housed laboratory male mice: an international data crowdsourcing project. https://www.nature.com/articles/s41598-019-51674-z 2. Towards animal-free neurotoxicity screening: Applicability of hiPSC-derived neuronal models for in vitro seizure liability assessmenthttps://www.altex.org/index.php/altex/article/view/1321 3. Optimal solid state neurons https://www.nature.com/articles/s41467-019-13177-3 [NC3Rs] Mice are social creatures. It's why we house them in groups in the lab to improve their welfare and allow the animals to make social interactions that simply aren't possible if they're individually housed. However, the social groupings mice make in the wild are complex, with hierarchies of social dominance. In the lab group has mice are kept in cages, which means dominant and subordinate males