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KOMP Repository (Knockout Mouse Project) KOMP Knock Out Knockout Mouse Mice
UC Davis M3 Barrier Facility

The UC Davis, M3 Barrier is an 18-room, high health-status, restricted-entry mouse barrier facility. Entry is limited to animal care and transgenic core personnel only. Personnel enter through a shower facility; all equipment and supplies are sterilized prior to transfer into the facility. Staff wear personal protective equipment, including dedicated uniforms and shoes, hair bonnets, masks and gloves. Mice are housed in ventilated caging systems and manipulated under laminar change stations. All mice are rederived by embryo transfer into this facility. Dirty bedding sentinels are set up in each mouse room, with the exception of Maternity (Room 1, Room 11). Sentinels and pseudopregnant recipient females are supplied from a CD-1 breeding colony from this barrier (Room 5). Sentinels and random weanlings from the room are screened quarterly. A current health report from M3 Breeding (Room 2 and 8; used for germ-line mating of mice created in the barrier facility) can be found at the links below. Maternity (Room 1, Room 11) is used exclusively to house embryo transfer recipient dams, and does not have dirty bedding sentinels. Instead, each embryo recipient is screened upon weaning of their litter. A report will be provided once the recipients are screened. Health screening and report preparation takes about 2 weeks post weaning, and will be made available prior to shipment of the litter.

Health Reports:


The KOMP Repository is located at the University of California Davis and Children’s Hospital Oakland Research Institute. Question? Comments? For Mice, Cells, and germplasm please contact us at service@komp.org, US 1-888-KOMP-MICE or International +1-530-752-KOMP, or for vectors komporders@chori.org or +1-510-450-7917.