Table 1
Composition of the experimental diets (% of dry matter basis)

Ingredients

Protein level in the diets (%)

35

40

45

50

60

White fish meala

25.00

20.00

15.00

10.00

5.00

Caseinb

15.80

24.50

33.30

42.00

55.80

α-potato starcha

28.94

25.45

21.80

18.25

9.70

Wheat flourc

7.00

7.00

7.00

7.00

7.00

Squid liver oild

16.21

16.00

15.85

15.70

15.45

Vitamin premix.e

3.00

3.00

3.00

3.00

3.00

Mineral premix.f

3.00

3.00

3.00

3.00

3.00

Vitamin Cg

0.05

0.05

0.05

0.05

0.05

Carboxymethylcelluloseb

1.00

1.00

1.00

1.00

1.00