Table 4.  Major nutrient requirements for grass carp (% of dry diet)
Growth stage	Crude protein (%)	Crude lipid (%)	Crude fibre (%)	Ash (%)	Sulfur amino acid (%)*	Lysine (%)	Total phosphorus (%)	Gross energy (MJ/kg)
Fry	≥40	06-Aug	≤3	≤14	≥1.5	≥2.50	≥1.0	16
Juveniles	≥30	04-Jul	≤8	≤13	≥0.9	≥1.50	≥1.0	15.6
On-growing & brood stock	<=25	04-Jul	≤12	≤12	≥0.7	≥1.25	≥0.9	15.2
*Methionine plus cystine
Data source: Standard of nutrients in formula diet for grass carp (SC/T 1024-1997)"