Table 8. Saturated fatty acid profile (% of total fatty acids) of the egg yolk of laying hens fed different flaxseed cake levels(n = 4/treatment).
| Fatty acid profile | Flaxseed cake,% | RMSE | P-value | ||
| 0 | 5 | 10 | |||
| C12:0 | 0.00 | 0.00 | 0.04 | 0.052 | 0.414 |
| C14:0 | 0.382 | 0.332 | 0.476 | 0.179 | 0.461 |
| C15:0 | ND | ND | ND | – | – |
| C16:0 | 28.1a | 25.1b | 24.8b | 0.838 | <0.0001 |
| C17:0 | 0.298 | 0.132 | 0.296 | 0.132 | 0.119 |
| C18:0 | 8.97 | 7.95 | 7.91 | 1.02 | 0.011 |
| C21:0 | 0.208 | 0.166 | 0.136 | 0.061 | 0.217 |
| ∑ SFAs | 38.0a | 33.7b | 33.6b | 1.45 | 0.0007 |
C12:0, Lauric acid; C14:0, tetradecanoic acid; C15:0, pentadecyclic acid; C16:0, hexadecanoic acid; C17:0, heptadecanoic acid; C18:0, octadecanoic acid; C21:0, heneicosylic acid; ∑ SFAs: sum of saturated fatty acids; ND, not detectable; RMSE: standard error of the means. a, b Means within a row with different superscripts are significantly different (P<0.05).