Table 1. Basic information of the study animals.

Animal Group	Code/ Name	Date of Sampling	Body Length (Cm)	Body Weight (Kg)
Wild Group(Poyang Lake) Mean±SD	11PYM01	2011/02/22	168	67.2
	11PYM02	2011/02/23	166	74.1
	11PYM05	2011/02/24	140	49
	11PYM16	2011/02/25	148	51.6
	11PYM17	2011/02/25	150	59.1
	11PYM20	2011/02/25	152	73.4
			154±10.88	62.40±10.84
Captive Group (YCBRC) Mean±SD	Afu	2011/03/06	151	43.9
		2011/07/07	152.5	44.9
		2011/10/18	152	42.4
	Tao Tao	2011/03/06	145	41.1
		2011/07/07	147	38.5
		2011/10/18	147	38.2
	Duo Duo	2011/03/19	143	41.1
		2011/10/22	147	45.7
		2011/12/15	147	43.2
	A Bao	2011/03/06	150	48
		2011/04/23	150	41.5
		2011/05/20	unknown	unknown
			148±3.00	42.05±2.49