Table 2. Pairwise comparison (independent-samples t-test) of effects of sex, age and breeding center on fecal T3 levels (mean ± SE) of forest musk deer.

Years of age	Shaanxi center (ng/g)		Sichuan center (ng/g)
	Male	Female	Male	Female
3	121.28 ± 2.24	134.52 ± 3.78	132.01 ± 2.11	144.89 ± 1.42
5	110.85 ± 2.24	122.83 ± 2.65	121.74 ± 2.51	134.22 ± 2.32
7	100.54 ± 1.67	111.83 ± 1.24	110.85 ± 3.66	122.83 ± 1.12
9	93.30 ± 2.64	100.80 ± 0.30	101.19 ± 1.18	110.33 ± 1.26