AIMS
- To provide a strategy (cage connectors) to reduce the SD for single housed males from SD 3 to 1 by allowing visual, olfactory and acoustic contact between two IVCs
- To quantify the stress level and behavior of single housed (under social isolation and/or with social contact) male mice
- To get adequate information if the current severity regulation is appropriate or needs to be changed
- To see if proven to be superior to isolated single housing: drive implementation of cage connectors