Table 1.

Rhesus and cynomolgus single- and social- housing conditions and animal information.

	Rhesus monkeys		Cynomolgus monkeys
Breeding farm	Institute of Beijing Xierxin Biology Resource	Institute of Beijing Xierxin Biology Resource	Hannan Jingang Laboratory Animal Corporation	Fangcheng Gang Spring Biological Technology Development Corporation
Location	Beijing	Beijing	Hannan Province	Guangxi province
Observed sample size	40 ♂	35 ♀	40 ♂	80 ♀
Mean age ± s.e.m (years old)	4.4 ± 0.1	9.6 ± 0.6	3.5 ± 0.01	5.9 ± 0.1
Pre-weaning	1 ♂/multi♀ group	1 ♂/multi♀ group	1 ♂/multi♀ group	1 ♂/multi♀ group
Weaning	6 months old	6 months old	6 months old	6 months old
Peer-housing	Until 3 years of age	Until 3 years of age	Until 3 years of age	Until 3 years of age
Post peer-rearing housing conditions	Indoor single cage	Indoor/outdoor social group	Indoor single cage	Indoor social group
Cage dimensions	L70 × W55 × H75 cm	Outdoor: L5.1 × W2.8 × H2.9 m	L70 × W60 × H80 cm	Indoor: L3.50 × W7 × H3 m
Cage number	10 cages per room 4 observed rooms	8 observed cages: 1 ♂/8–9 ♀ per cage	10 cages per room 4 observed rooms	8 observed cages: 1 ♂/17–27 ♀ per cage
Stability pre-observation	9 months	12 months	9 months	9 months
Social stimuli	V A O m	V A O M	V A O m	V A O M
Feeding schedule	SAUE Ltd Old World Monkey pellets twice and fruit once daily	SAUE Ltd Old World Monkey pellets twice and fruit once daily	SAUE Ltd Old World Monkey pellets 3 times and fruit once daily	SAUE Ltd Old World Monkey pellets twice and fruit once daily
Water	Ad libitum	Ad libitum	In a water tray filled at each feeding times	Ad libitum
Natural lighting	Through windows	Through wire-mesh roof	Through windows	Through wire-mesh roof

V, Visual; A, auditory; O, olfactory; manual (m, through the top of the cage or M, direct contact); ♂, male; ♀, female.