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The Centre for Phenogenomics
The Centre for Phenogenomics

Summary of Health Monitoring Program

Facility Layout

The Centre for Phenogenomics (TCP) is a dedicated mouse facility with five unique holding areas and has the capacity for approximately 36,000 cages. All caging is on ventilated racks. Holding areas are separated on 2 floors and identified by lettering A through E. Each holding area consists of suites with 4 to 8 holding rooms and 2 to 4 procedure rooms. Suites are individually secured by card key, and access is limited to users housing animals within the suite. Animal husbandry personnel are dedicated to one suite. Rooms contain on average 9 racks that are identified by number (1-9). All cages and bedding are autoclaved prior to use, food is irradiated and water is reverse-osmosis purified, acidified and provided by an automated system. Cages are only opened and manipulated in a Type II Biological Safety Cabinet or Animal Transfer Station. Biological Safety Cabinets and Animal Transfer Stations are cleaned with Clidox 1:5:1 prior to and following each use. Gloves are wiped with Clidox 1:5:1 between each cage handling. Clean scrubs, sterile isolation gowns and dedicated footwear are required for facility entry. Gloves, caps and masks are required for entry into animal resource rooms and procedure rooms. A vaporized hydrogen peroxide chamber is used to disinfect equipment and supplies upon entry to the building. A portable vaporized hydrogen peroxide machine is used to disinfect holding rooms as required.

Holding A/B (Model Production Core) - Holding A is a restricted housing area for mice that were derived by the Model Production Core. Holding B houses the production colonies and surgical suites for the Model Production Core. Holding A/B is accessed by wet shower only, is maintained exclusively by a limited number of highly trained TCP staff and is operationally separate from the rest of the facility.

Holding C & D - This is the general housing area for mice that have been bred or derived within the Core Barrier (Holding A), or brought in from approved commercial suppliers, and are being actively used in research projects. Research staff members have access to these areas.

Holding E - This is a quarantine area for mice imported from non-commercial suppliers that will be used on a short term basis by the Phenotyping and Imaging Cores on Floor 2. All imports into this area must meet the health status requirements of the TCP animal facility, are tested via PCR upon arrival, and are managed by the Import/Export Coordinator and Veterinarian.

Containment Quarantine - This area is specifically designed to hold mice from non-commercial suppliers that are awaiting re-derivation by the Model Production Core. The area is maintained by separate air handling units, mice are housed on negative pressure racks and it is accessed by a limited number of high trained TCP staff. It is operationally separate from the rest of the facility.

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Room Designation
Room Designation
Floor 1 Holding A 1-201, 1-202, 1-203, 1-204, 1-205, 1-206, 1-207
Holding B 1-103-1, 1-104-1, 1-104-2
Holding C F1 1-301, 1-302, 1-305, 1-307, 1-308, 1-401, 1-402, 1-403, 1-405, 1-406, 1-501-1, 1-502, 1-503, 1-505, 1-506
Floor 2 Holding C F2 2-102, 2-103, 2-104, 2-105
Holding D 2-202, 2-203, 2-204, 2-205, 2-207, 2-208, 2-209, 2-211
Holding E 2-302

Health Monitoring Program

TCP uses a combination of soiled-bedding sentinel (SBS) serology and direct animal sampling (fecal and body swabs) of sentinels and experimental animals for PCR testing. Racks are evaluated on a rotating basis and at minimum each rack is tested every three months. PCR testing of exhaust air dust is gradually being implemented throughout the facility. All external testing is performed by Charles River Laboratories.

General Housing (Holding C/D): Each month, per room, 3 racks are tested:

  • Two racks are tested using SBS serology and a Tracking panel which includes 12 agents;
  • One rack is testing by direct animal sampling (pooled fecal and body swabs from 10 random cages, including the sentinel) using a modified Surveillance-Plus PRIA panel which includes 43 agents;
  • Racks on Floor 1 are tested monthly for Helicobacter spp. and MNV by sampling 10 random cages and performing fecal PCR. Note: Helicobacter spp. and MNV are permitted on Floor 2.

Sentinel cages (2 mice per cage) are used to monitor either a single rack (80 experimental cages) or double rack (up to 160 experimental cages) and are exposed to soiled bedding from all cages on the rack every 14 days during cage change. The exposure period for sentinel mice is a minimum of 12 weeks before serology testing is performed.

Model Production Core (Holding A/B): Post-surgical recipient dams and production colony mice (donors and studs) are tested monthly by direct animal sampling (pooled fecal and body swab from 10 random cages per rack) using a Mouse Prevalent PRIA panel. Recipient dams are tested 2-3 weeks post-surgery prior to weaning their litter. Comprehensive annual testing is performed on the production colony mice using direct animal sampling and a Surveillance-Plus PRIA panel.

In-house parasitology testing consists of monthly anal tape testing and direct examination of cecum/colon contents and pelts. Gross pathology +/- histology screening is performed as required.

Lise Phaneuf DVM, DVSc, DACLAM
Director, Research & Facility Operations | 647-837-5844 | lise.phaneuf@phenogenomics.ca

*We recommend that receiving institutions quarantine and test incoming animals according to the recommendations of their veterinarian