Table 3. Feed formulae (ingredient composition) and proximate composition of commonly used formulated
feed for different life stages of Atlantic salmon in intensive farming system
Ingredient/proximate  Life stages/size classes
composition (% dry matter) Fry Fingerling Grower Marine grower Broodstock
Ingredient composition (%)           
Fishmeal, herring  60.5 40.1 32.4 28.8 35.7
Corn gluten meal  0 10 10 8 0
Poultry byproduct meal 0 10 10 10 8
Fish soluble protein concentrate (CPSPG) 5 0 0 0 0
Krill meal  2 0 0 0 2
Poultry feather meal  0 5 3 6 5
Soybean meal, dehulled 0 5 12 12 10
Brewers yeast   4 0 0 0 4
Blood meal  2 0 3 0 0
Ground wheat  14.1 13.1 8.2 7.4 14.1
Fish oil 10.4 14.8 19.4 25.8 19.2
Vitamin premix*  1 1 1 1 1
Mineral premix** 1 1 1 1 1
Proximate composition (%)          
  Crude protein (%) 55 50 48.1 44 45
  Digestible protein (%) 51 44.5 42.3 38.5 39.9
  Crude fat (%) 17 20 24 30 24
  Ash (%) 7.2 6.3 5.9 5.5 6.2
  Crude fibre (%) 0.7 1 1.1 1.1 1.1
  Gross energy (MJ/kg) 20.1 21.1 22.3 23.5 21.5
  Phosphorous (%) 1.3 1,1 1 1 1.1
1Refer to Table 6 for details of commonly used vitamin premix
2Refer to Table 7 for details of commonly used mineral premix