Table 2
Ingredients and proximate composition of experimental diets

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