Table 1. Fecundity of grass carp at different ages
	Age groups
	5+	6+	7+	8+
Body weight (g)	7,916�736.0	9,670.8�1107.1	1,3371.1�1057.4	1,3877.3�1195.1
Fecundity (number of eggs)	(9.62�3.79)�105	(10.44�4.04)105	(12.36�4.49)�105	(14.31�4.02)�105
Relative fecundity (number of eggs/g body weight)	122.2�46.8	106.8�38.0	92.7�33.6	103.6�29.5
Data source: China National Standard for Grass carp (GB 17715－1999)