Acclimation & testing periods
Vendor Male mice (aged 7-9 wks of age) were obtained from The Jackson Laboratory (JAX®, Bar Harbor, ME) Ages 8-17 wks old at the time of testing Feed Irradiated NTP-2000 wafer chow (Zeigler Brothers, Inc., East Berlin, PA) Water Ad-libitum Temperature 69-75°C Humidity 35-65% Housing Housed in polycarbonate cages Bedding Sani-Chips, irradiated hardwood bedding (P.J. Murphy Forest Products Corp., Montville, NJ) Photoperiod 12 h:12 h light-dark cycle Health status Care of mice followed institutional guidelines under a protocol approved by the Institutional Animal Care and Use Committee at the University of North Carolina at Chapel Hill.