Table 9. Monounsaturated fatty acid profile of the egg yolk of laying hens fed different flaxseed cake levels(% of total fatty acids) (n = 4/treatment).
| Fatty acid profile | Flaxseed cake, % | RMSE | P-value | ||
| 0 | 5 | 10 | |||
| C14:1n-5 | 0.011a | 0.001b | 0.003b | 0.007 | <0.0001 |
| C16:1n-7 | 4.71 | 4.83 | 4.33 | 0.436 | 0.208 |
| C18:1n-9 | 39.6b | 41.9a | 38.6b | 1.44 | 0.011 |
| C18:1n-7 | 2.23 | 2.09 | 1.96 | 0.222 | 0.203 |
| C20:1n-7 | ND | ND | ND | - | - |
| C20:1n-9 | 0.227 | 0.178 | 0.320 | 0.161 | 0.354 |
| C22:1n-11 | 0.00 | 0.17 | 0.07 | 0.069 | 0.228 |
| C22:1n-9 | ND | ND | ND | – | - |
| ∑MUFAs | 46.9ab | 49.0a | 45.3b | 1.86 | 0.027 |
C14:1n-5, Myristoleic acid; C16:1n-7, 9-hexadecenoic acid; C18:1n-9, 9-octadecenoic acid; C18:1n-7, vaccenic acid; C20:1n-7, paullinic acid, cis-13-eicosenoic acid; C20:1n-9, cis-11-eicosenoic acid; C22:1n-9, erucic acid; ∑MUFAs, sum of monounsaturated fatty acids; RMSE, standard error of the mean; ND, not detectable. a, b Means within a row with different superscripts are significantly different (P<0.05).