Antioxidant vitamins, minerals and lipid levels in diets for Atlantic salmon (Salmo salar, L.): effects on growth performance and fillet quality

An experiment with 2(7 − 3) reduced factorial design was conducted to study the biological effects of pro- and antioxidant micronutrients and lipid in Atlantic salmon

K. Hamre; R. Christiansen; R. Waagbo; A. Maage; B.E. Torstensen; B. Lygren; O. Lie; E. Wathne; S. Albrektsen

2004

Scholarcy highlights

  • An experiment with 2(7 − 3) reduced factorial design was conducted to study the biological effects of pro- and antioxidant micronutrients and lipid in Atlantic salmon
  • High levels were chosen to be below the anticipated toxic level and the low levels were just above the requirement
  • High dietary lipid had a profound positive effect on growth and feed conversion but gave fillets nearly two times the fat content that was found in fish fed the low lipid diet
  • Astaxanthin deposition in the fillet was primarily affected by dietary astaxanthin with a positive effect of high dietary lipid in week 14 but not in week 23
  • Vitamin E protected the fillet against iron ascorbate stimulated oxidation, with no effect of the other nutrient variables

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