Acclimation & testing periods
Vendor Mice were obtained from The Jackson Laboratory JAX® (Bar Harbor, ME) AgesSuperovulated females: 17-27 days old; Recipient females: 9-13 weeks old; Sperm donor males: 8-31 weeks old; Vasectomized males: 13-35 weeks old
FeedSterilized 6% fat rodent chow (LabDiet® 5K52, St, Louis, MO, USA); Embryo recipients: 11% fat rodent chow (LabDiet® 5K52, St, Louis, MO, USA)
WaterAcidified water provided ad libitum HousingPolycarbonate cages with stainless steel wire lids and positive ventilation filter tops Bedding16-26 mm pine shavings PhotoperiodSuperovulated females: 12h on, 12 off (on at 06:00 a.m.); Recipient females and donor males: 10 h on, 14 h off (on at 05:00 a.m.)
Temperature21 ± 1.0°C Health statusThe Jackson Laboratory Diagnostics Laboratory routinely monitors and documents animal health status using statistically valid sampling procedures and standard protocols. (Sentinel animals are tested). Detailed health status reports for each animal room represented from this project are on file and available on request. See JAX Mice Quality Control Programs or the JAX Mice Catalog for the list of agents monitored.