Table 1. Parameters of adult macaque testicular donors.

Macaque number	Age	Body weight (kg)	Testosterone (nmol/l)	Total testicular weight (g)
1	9y 8m	7.5	18	41.4
2	6y 5m	9.2	39.6	52.9
3	9y 8m	10.7	55.8	65.1
4	13y 5m	13	48.7	64
5	8y 8m	11.9	-	82.4
6	10y 8m	8.4	-	56.6
7	8y 2m	7.7	-	48.3
Mean	9y 6.2m (±0.7y 4.2m)	9.6 (±0.14)	40.5 (±16.4)	58.6 (±4.8)

Reference values: Age (>4 years (y) 3 months (m)), body weight (6.4±1.7 kg), testosterone (20.8–40 nmol/l), total testicular weight (>33.7 g). [35,36]