Research Article

Evaluation of Krill Meal in Commercial Diets for Juvenile Swimming Crab (Portunus trituberculatus)

Table 1

Ingredients and proximate composition of the experimental diets (dry matter basis, %).

IngredientsReplacement levels of FM with KM
0%10%20%30%

Peru fish meal40.0036.0032.0028.00
Soybean meal20.0020.0020.0020.00
Krill meal0.004.789.5614.34
Yeast brewers3.003.003.003.00
Wheat flour22.8922.8922.8922.89
Lysine0.040.030.020.02
Methionine0.090.070.060.04
Fish oil2.852.391.941.48
Soybean lecithin2.002.002.002.00
Vitamin premixa1.001.001.001.00
Mineral premixb2.002.002.002.00
Ca(H2PO4)22.002.002.002.00
Choline chloride0.300.300.300.30
Sodium alginate2.002.002.002.00
Cellulose1.831.541.230.93
Proximate composition (%)
 Dry matter89.5288.8491.5891.34
 Ash11.0910.7810.8910.95
 Lipid8.998.909.038.89
 Protein44.9445.9945.2345.59
 Fluorine content (mg/kg)27.1694.06153.81265.30

a, bThe preparation of mineral mixture and vitamin mixture was on the basis of Wang et al. [25].