Table 2.
Selected fatty acids (% of total fatty acids) of the fishmeal, krill meal, fish oil, rapeseed oil, FM and KM feed, and fillets of Atlantic salmon fed the different diets†
(Mean values, with standard errors for fillet)
| FM | Krill meal | Fish oil | Rapeseed oil | FM feed | KM feed | FM fillet | KM fillet | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | se | Mean | se | |||||||
| 14 : 0 | 3·2 | 8·3 | 7·4 | <0·1 | 2·6 | 2·6 | 2·3 | 0·0 | 2·4 | 0·0 |
| 16 : 0 | 12·6 | 17·1 | 12·2 | 4·9 | 8·2 | 8·5 | 9·6 | 0·1 | 9·7 | 0·1 |
| 18 : 0 | 2·0 | 0·8 | 1·4 | 1·5 | 1·7 | 1·7 | 2·3 | 0·0 | 2·3 | 0·0 |
| 16 : 1 | 3·5 | 3·1 | 3·9 | 0·2 | 1·8 | 1·7 | 2·2 | 0·0 | 2·2 | 0·0 |
| 18 : 1 | 13·9 | 14·4 | 11·9 | 66·0 | 42·3 | 44·3 | 41·9 | 0·1 | 42·8* | 0·1 |
| 20 : 1 | 7·9 | 1·0 | 11·6 | 1·2 | 6·8 | 4·8 | 5·2 | 0·0 | 4·8* | 0·0 |
| 22 : 1 | 9·4 | 0·5 | 18·8 | 0·2 | 7·3 | 5·3 | 5·0 | 0·1 | 4·2* | 0·1 |
| 18 : 2n-6 | 0·9 | 1·2 | 1·3 | 20·5 | 14·4 | 15·1 | 13·6 | 0·1 | 13·8* | 0·1 |
| 18 : 3n-3 | 0·1 | 0·1 | 1·1 | 9·2 | 6·0 | 6·4 | 5·2 | 0·0 | 5·3 | 0·0 |
| 20 : 5n-3 | 6·4 | 11·2 | 6·4 | <0·1 | 2·5 | 2·8 | 2·3 | 0·0 | 2·4* | 0·0 |
| 22 : 6n-3 | 12·7 | 8·1 | 8·5 | <0·1 | 3·5 | 3·1 | 3·9 | 0·0 | 3·7* | 0·1 |
| EPA + DHA | 19·1 | 19·3 | 14·9 | <0·1 | 6·0 | 5·9 | 6·2 | 0·0 | 6·1 | 0·1 |
| Sum n-0 | 17·9 | 26·2 | 21·3 | 7·2 | 13·4 | 13·7 | 14·8 | 0·1 | 15·1 | 0·1 |
| Sum n-1 | 35·9 | 19·0 | 46·9 | 67·7 | 57·2 | 56·1 | 54·8 | 0·1 | 54·5* | 0·1 |
| Sum n-6 | 1·9 | 1·6 | 2·0 | 20·5 | 14·8 | 15·5 | 15·1 | 0·1 | 15·4 | 0·1 |
| Sum n-3 | 22·5 | 27·3 | 20·9 | 9·2 | 12·5 | 12·8 | 13·0 | 0·1 | 13·1 | 0·1 |
*
Significant difference (P < 0·05) between the dietary groups for that parameter.
†
A low fishmeal diet (FM), or the same diet with fishmeal partly substituted by krill meal (KM).