Table 7 Fillets chemical and fatty acid compositions of rainbow trout fed the experimental diets (n = 8)

 DM

25.06 b

25.79 ab

26.31 a

 CP

19.58

19.37

19.56

 EE

4.18 b

5.19 ab

5.48 a

 Ash

1.20 a

1.00 b

1.09 ab

 C12:0

0.29 c

8.07 b

14.66 a

 C14:0

3.97 c

5.49 b

6.47 a

 C14:1 c + C15:0

0.40

0.47

0.43

 C16:0

22.73 a

20.69 b

20.38 b

 C16:1 c

6.22

6.45

6.41

 C17:0

0.49 a

0.41 b

0.35 b

 C17:1 c9

0.05 b

0.08 a

0.07 ab

 C18:0

5.45 a

4.79 b

4.64 b

 C18:1 t

0.97 a

0.69 b

0.66 b

 C18:1 c9

31.33 a

27.62 b

26.37 b

 C18:1 c11

4.03 a

3.43 b

2.91 c

 C18:2 n6

10.30 a

9.46 ab

9.01 b

 C18:3 n6

3.05 a

2.29 b

1.73 c

 C18:3 n3

1.97 a

1.90 a

1.49 b

 C20:0

0.36 a

0.36 a

0.23 b

 C20:1 c11

0.40 a

0.39 a

0.25 b

 C20:2 n6

0.83 a

0.74 a

0.57 b

 C20:3 n6

0.30

0.27

0.29

 C20:4 n6

0.49 a

0.46 a

0.29 b

 C20:5 n3

2.33 a

2.03 a

1.07 b

 C22:5 n3

0.66 a

0.50 b

0.23 c

 C22:6 n3

3.39 a

3.40 a

1.50 b

 ∑ SFA

33.28 c

39.81 b

46.74 a

 ∑ MUFA

43.40 a

39.13 b

37.09 c

 ∑ PUFA

23.31 a

21.06 b

16.17 c

 ∑ PUFA/∑ SFA

0.70 a

0.53 b

0.35 c

 ∑ n3

8.34 a

7.84 a

4.29 b

 ∑ n6

14.97 a

13.22 b

11.88 c

 ∑ n3/∑ n6

0.56 a

0.59 a

0.36 b

 AI

0.58 c

0.84 b

1.15 a

 TI

0.60 b

0.62 b

0.85 a