Acclimation & testing periods
Vendor Male mice were obtained from The Jackson Laboratory (JAX®, Bar Harbor, ME) Ages 6-8 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°F (20.5-23.9°C) Humidity 35-65% Housing Singly housed in polycarbonate cages Bedding Sani-Chips, irradiated hardwood bedding (P.J. Murphy Forest Products Corp., Montville, NJ) Photoperiod 12h:12h light-dark cycle Regulatory compliance 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.