Table 1. Information of sample collected.

Samples and sources	Sample number	Musk deer captive farm location		Musk deer’s origin
Ear tissue samples from forest musk deer	59	Tp farm: southernmost area of Shaanxi		Ta-pa Mountains
	192	Ql farm: southwest of Shaanxi and north of the Qinling Mountains		Qinling Mountains
	23	WS farm: north of Sichuan province		Western Sichuan Plateau
Alpine musk deer	6	Tp farm	Farm location are same as above	Xinglong Mountains
	6	Ql farm
	16	WS farm