Table 3.
Relative fatty acid composition by lipid class: TAG, mono- and diacylglycerols (MAG), phospholipids (PL) and NEFA of feed given to the Atlantic salmon in the present study*
(Percentages of total fatty acids)
| TAG | MAG | PL | NEFA | |||||
|---|---|---|---|---|---|---|---|---|
| FM | KM | FM | KM | FM | KM | FM | KM | |
| Total | 91·2 | 89·2 | 2·5 | 2·4 | 2·6 | 5 | 3·8 | 3·4 |
| 14 : 0 | 2·7 | 2·7 | 3·1 | 3·2 | ND | 1·9 | 2·7 | 2·1 |
| 16 : 0 | 7·8 | 7·7 | 10·2 | 10·1 | 20 | 23·1 | 14·6 | 15·1 |
| 18 : 0 | 1·6 | 1·7 | 2 | 1·6 | 3·1 | 1·7 | 2·5 | 2·4 |
| 20 : 0 | 0·5 | 0·5 | 0·6 | 0·4 | 0·2 | 0·1 | 0·3 | 0·3 |
| 18 : 3n-3 | 5·8 | 6·2 | 4·1 | 4·5 | 3·4 | 3·4 | 3·6 | 4 |
| 20 : 5n-3 | 2 | 1·6 | 2 | 4·4 | 2·2 | 13·6 | 3·9 | 6·4 |
| 22 : 5n-3 | 0·3 | 0·2 | 0·7 | 0·2 | 0·3 | 0·4 | 0·5 | 0·4 |
| 22 : 6n-3 | 2·5 | 1·9 | 2·7 | 3·3 | 5·4 | 9·6 | 7·6 | 8·6 |
| 18 : 2n-6 | 13·3 | 14·3 | 13·3 | 13·6 | 36·1 | 20·1 | 18·2 | 19·6 |
| 20 : 2n-6 | 0·1 | 0·1 | 0·2 | 0·2 | 0·2 | 0·1 | ND | 0·1 |
| 20 : 4n-6 | ND | ND | ND | ND | ND | ND | ND | ND |
| 18 : 1n-7 | 2·7 | 2·9 | 2·6 | 3·4 | 2 | 4·5 | 2·5 | 3 |
| 22 : 1n-7 | 0·2 | 0·2 | 0·5 | 0·3 | 0·1 | 0·3 | 0·4 | 0·4 |
| 16 : 1n-9 | 0·2 | 0·1 | ND | ND | 0·1 | 0·1 | 0·1 | 0·1 |
| 18 : 1n-9 | 42·2 | 45·2 | 36 | 35·3 | 16·7 | 11 | 23·7 | 22·6 |
| 20 : 1n-9 | 4·6 | 3·6 | 4·1 | 3·1 | 1·4 | 0·8 | 3·2 | 2·5 |
| 24 : 1n-9 | 0·4 | 0·3 | 0·5 | 0·3 | 1·2 | 0·3 | 0·3 | 0·1 |
| 18 : 1n-11 | 0·1 | 0·2 | 2·4 | 0·2 | 0·1 | ND | 0·3 | 0·3 |
| 20 : 1n-11 | 1 | 1 | 0·8 | 1·2 | 0·4 | 1·8 | 1·2 | 1·6 |
| 22 : 1n-11 | 6·7 | 4·8 | 6·4 | 4·5 | 1·3 | 0·5 | 4 | 3 |
| EPA + DHA | 4·5 | 3·4 | 4·6 | 7·8 | 7·6 | 23·2 | 11·6 | 15 |
| Sum n–3 | 11·2 | 10·2 | 10 | 12·9 | 12 | 27·5 | 16·7 | 20·1 |
| Sum n–6 | 13·7 | 14·6 | 14·1 | 13·9 | 36·3 | 20·1 | 18·3 | 19·8 |
| Sum n–0 | 13·3 | 13·2 | 16·1 | 15·8 | 24·2 | 27·4 | 21·1 | 20·5 |
ND, not detected (less than 0·05 %).
*
A low fishmeal diet (FM), or the same diet with fishmeal partly substituted by krill meal (KM).