Table 1 Formulation and proximate composition of the experimental diets (% as fed).

From: Growth performance, gut microbiota composition, health and welfare of European sea bass (Dicentrarchus labrax) fed an environmentally and economically sustainable low marine protein diet in sea cages

Ingredients

Conventional feed

Low marine protein feed

Fish meal

20.00

12.00

Soya protein concentrate

4.80

18.40

Soya bean meal

19.50

 

Plant premix

5.70

 

Fermented soya

 

7.50

Sunflower meal

7.20

12.00

Corn gluten

18.80

17.10

Wheat

8.20

7.20

Fish oil

4.10

9.50

Salmon oil

10.30

5.50

Yeast protein

 

7.50

Calcium carbonate

 

0.50

Monocalcium phosphate

0.40

0.90

Vitamins and minerals

0.70

1.00

Methionine

0.10

0.05

Lysine

0.20

0.20

Taurine

 

0.05

Choline

 

0.10

Phospholipids

 

0.50

Nutrients (%)

 Moisture

8.00

7.80

 Proteins

44.60

44.10

 Fats

19.60

17.10

 Fibers

2.80

2.90

 Ash

7.10

7.20

 GE (MJ/kg)

21.6

21.3

 DE FSH (MJ/kg)

18.6

18.3

  1. GE gross energy, DE digestible energy.
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