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Table 2 Ingredients and proximate composition of experimental diets

From: Tuna by-product meal as a dietary protein source replacing fishmeal in juvenile Korean rockfish Sebastes schlegeli

  Diets
Con TBM25 TBM50 TBM75 TBM100
Ingredients (%)
 Brown fishmeala 64.8 48.6 32.4 16.2  
 Tuna by-product meal   19.3 38.7 58.1 77.5
 Squid liver oil 4.6 4.1 3.6 3 2.5
 α-Cellulose 10.6 8 5.3 2.7  
 Wheat flour 18 18 18 18 18
 Vitamin premixb 1 1 1 1 1
 Mineral premixc 1 1 1 1 1
Proximate composition (%, DM)
 Crude protein 52.7 52.6 52.6 52.6 52.6
 Crude lipid 9.9 10.1 10.5 10.3 10.6
 Ash 10.3 11.7 13.9 15.4 17.1
 Gross energy (cal/g diet) 4949 4918 4852 4876 4830
 Feed price (won/kg feed, DM)d 1903 1789 1674 1558 1443
  1. aProduced from Chile
  2. bThe vitamin premix contained the following ingredients diluted in cellulose (g/kg premix): L-ascorbic acid, 121.2; myo-inositol, 181.8; DL-α-tocopheryl acetate, 18.9; niacin, 36.4; p-aminobenzoic acid, 18.2; Ca-D-pantothenate, 12.7; riboflavin, 9.1; thiamin hydrochloride, 2.7; pyridoxine hydrochloride, 1.8; menadione, 1.8; retinyl acetate, 0.73; folic acid, 0.68; D-biotin, .27; cholecalciferol, 0.003
  3. cThe mineral premix contained the following ingredients diluted in dextrin (g/kg premix): NaCl, 30.3; MgSO4·7H2O, 95.6; NaH2PO4·2H2O, 60.8; KH2PO4, 167.3; CaH4(PO4)2·H2O, 94.7; Ferric citrate, 20.7; ZnSO4·7H2O, 15.3; Ca-lactate, 212.8; CuCl, 0.14; AlCl3·6H2O, 0.105; KI, 0.105; Na2Se2O3, 0.01; MnSO4·H2O, 1.4; CoCl2·6H2O, 0.7
  4. dPrice in Korean won; one US$ = 1060 won, based on 2018 exchange prices. The same labor and processing costs are included