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Table 5 Fillet fatty acid composition (percentage of total fatty acids) of rainbow trout reared on the different diets (mean ± SD)

From: Effect of dietary flaxseed oil level on the growth performance and fatty acid composition of fingerlings of rainbow trout, Oncorhynchus mykiss

 

Initial

FOD

FxOD

FFxOD

14:0

0.03

0.04 ± 0.01

0.03 ± 0.00

0.03 ± 0.01

15:0

0.09

0.16 ± 0.01a

0.07 ± 0.01c

0.10 ± 0.01b

16:0

10.11

17.45 ± 0.29a

12.46 ± 0.12c

14.42 ± 0.26b

17:0

0.14

0.50 ± 0.01a

0.15 ± 0.02c

0.37 ± 0.00b

18:0

2.90

4.46 ± 0.10a

4.59 ± 0.07a

4.27 ± 0.06b

19:0

3.07

3.72 ± 0.45a

2.10 ± 0.01c

2.94 ± 0.10b

21:0

0.21

0.19 ± 0.06

0.26 ± 0.02

0.19 ± 0.04

22:0

0.77

0.55 ± 0.06

0.56 ± 0.08

0.56 ± 0.04

23:0

0.72

0.28 ± 0.02c

0.90 ± 0.08a

0.67 ± 0.02b

24:0

0.41

0.41 ± 0.03b

0.72 ± 0.15a

0.60 ± 0.03a

SFAs

18.44

27.74 ± 0.53a

21.84 ± 0.20c

24.15 ± 0.25b

14:1

1.42

2.25 ± 0.08a

1.10 ± 0.03c

1.56 ± 0.05b

15:1

0.17

0.52 ± 0.02a

0.27 ± 0.00c

0.36 ± 0.01b

16:1n-7

1.77

4.49 ± 0.09a

2.35 ± 0.03c

3.28 ± 0.09b

17:1

0.18

0.48 ± 0.03a

0.17 ± 0.13b

0.36 ± 0.02a

18:1n-9

61.25

44.85 ± 0.45a

43.25 ± 0.63b

44.71 ± 0.15a

24:1n-9

0.10

0.40 ± 0.03a

0.27 ± 0.05b

0.32 ± 0.01b

MUFAs

64.88

52.99 ± 0.38a

47.40 ± 0.52c

50.60 ± 0.02b

18:2n-6

0.71

0.41 ± 0.05

0.52 ± 0.09

0.42 ± 0.02

18:3n-6

0.05

0.06 ± 0.00

0.06 ± 0.01

0.06 ± 0.02

20:2n-6

0.88

0.89 ± 0.06c

1.54 ± 0.12a

1.11 ± 0.04b

20:3n-6

0.13

0.09 ± 0.01

0.07 ± 0.03

0.08 ± 0.02

20:4n-6

0.86

0.13 ± 0.03

0.14 ± 0.01

0.13 ± 0.01

22:2n-6

0.43

0.77 ± 0.07a

0.65 ± 0.03b

0.74 ± 0.02a

22:5n-6

0.33

0.24 ± 0.03

0.20 ± 0.03

0.22 ± 0.01

PUFAs n-6

3.40

2.60 ± 0.24b

3.18 ± 0.23a

2.75 ± 0.02b

18:3n-3

4.27

1.94 ± 0.07c

19.35 ± 0.40a

10.60 ± 0.07b

18:4n-3

2.61

1.04 ± 0.04

1.01 ± 0.03

1.09 ± 0.06

20:3n-3

0.53

0.30 ± 0.03

0.31 ± 0.04

0.30 ± 0.01

20:5n-3

0.87

2.08 ± 0.10a

0.92 ± 0.05c

1.47 ± 0.01b

22:5n-3

0.25

0.59 ± 0.05a

0.26 ± 0.04c

0.46 ± 0.04b

22:6n-3

4.76

10.73 ± 0.40a

5.72 ± 0.39c

8.60 ± 0.18b

PUFAs n-3

13.28

16.67 ± 0.52c

27.57 ± 0.72a

22.51 ± 0.22b

HUFAs n-3

5.63

12.80 ± 0.45a

6.64 ± 0.42c

10.07 ± 0.19b

PUFAs

16.68

19.27 ± 0.66c

30.75 ± 0.57a

25.26 ± 0.24b

PUFAs/SFAs

0.90

0.69 ± 0.04c

1.41 ± 0.02a

1.04 ± 0.02b

n-6/n-3

0.26

0.16 ± 0.02a

0.12 ± 0.01b

0.12 ± 0.00b

  1. See Table 1 for diet abbreviations.
  2. Values in the same row with the same superscripts are not significantly different (P > 0.05).