Table 1.

Housing and maintenance conditions at the 3 facilities

	Facility A	Facility B	Facility C
Photocycle	12:12-h cycle; lights on at 0700	12:12-h cycle; lights on at 0700	12:12-h cycle; lights on at 0600
Frequency of feeding	Twice daily	Twice daily	Twice daily
Temperature range	19–25 °C	18–27 °C	22–25 °C

All rhesus macaques received commercial chow (LabDiet, PMI, St Louis, MO) supplemented with produce, fruits, and grains.