Table 6.
Effect of breed (Mos vs. Isa Brown) and diet type (CF, CPT and CW) on egg fatty acid profile.
| Breed | Diet Type | Significance | SEM | |||||
|---|---|---|---|---|---|---|---|---|
| Fatty Acid | Mos | Isa Brown | CF | CPT | CW | Breed | Diet | |
| C14:0 | 0.31 | 0.36 | 0.34 b | 0.34 b | 0.31 a | *** | *** | 0.01 |
| C16:0 | 24.82 | 25.16 | 25.19 | 24.96 | 24.81 | * | n.s. | 0.07 |
| C16:1 | 2.22 | 2.88 | 2.57 | 2.42 | 2.65 | *** | n.s. | 0.05 |
| C18:0 | 9.54 | 8.79 | 8.75 a | 9.38 b | 9.40 b | *** | *** | 0.06 |
| C18:1n9c | 42.71 | 41.83 | 41.96 a | 41.96 a | 42.90 b | ** | * | 0.17 |
| C18:1n7c | 1.76 | 2.03 | 1.84 | 1.90 | 1.94 | *** | n.s. | 0.02 |
| C18:2n6c | 13.75 | 13.83 | 14.66 b | 13.89 b | 12.81 a | n.s. | *** | 0.19 |
| C18:3n6 | 0.10 | 0.12 | 0.10 a | 0.13 b | 0.11 a | *** | *** | 0.01 |
| C18:3n3 | 0.36 | 0.36 | 0.35 b | 0.43 c | 0.31 a | n.s. | *** | 0.01 |
| C20:3n6 | 0.15 | 0.17 | 0.15 a | 0.18 b | 0.15 a | ** | *** | 0.01 |
| C20:4n6 | 2.37 | 2.45 | 2.22 a | 2.45 b | 2.55 b | n.s. | *** | 0.02 |
| C22:5n3 | 0.13 | 0.15 | 0.11 a | 0.16 b | 0.15 b | ** | *** | 0.01 |
| C22:6n3 | 0.85 | 0.74 | 0.66 a | 0.90 c | 0.83 b | *** | *** | 0.02 |
| SFA | 35.05 | 34.68 | 34.64 | 35.07 | 34.88 | * | n.s. | 0.09 |
| MUFA | 47.27 | 47.36 | 46.97 a | 46.90 a | 48.07 b | n.s. | * | 0.19 |
| PUFA | 17.89 | 17.98 | 18.43 b | 18.34 b | 17.06 a | n.s. | ** | 0.20 |
| PUFA/SFA | 0.51 | 0.52 | 0.53 b | 0.53 b | 0.49 a | n.s. | ** | 0.01 |
| n3 | 1.36 | 1.27 | 1.13 a | 1.51 c | 1.30 b | * | *** | 0.02 |
| n6 | 16.54 | 16.72 | 17.30 b | 16.83 b | 15.75 a | n.s. | ** | 0.20 |
| Nutritional Indices | ||||||||
| n6/n3 | 13.09 | 13.93 | 15.56 b | 12.07 a | 12.83 a | n.s. | *** | 0.24 |
| AI | 0.40 | 0.41 | 0.41 | 0.40 | 0.40 | * | n.s. | 0.01 |
| TI | 0.96 | 0.96 | 0.97 | 0.95 | 0.96 | n.s. | n.s. | 0.01 |
| h/H | 2.48 | 2.43 | 2.44 | 2.46 | 2.47 | ** | n.s. | 0.01 |
| NV | 0.45 | 0.46 | 0.45 | 0.45 | 0.45 | *** | n.s. | 0.01 |
a–c Means in the same row with different letters differ significantly (p < 0.05). Significance: n.s. = not significant; * (p < 0.05), ** (p < 0.01) and *** (p < 0.001); SEM is the standard error of the mean. SFA = ∑ (C14:0 + C15:0 + C16:0 + C17:0 + C18:0 + C20:0 + C21:0 + C22:0 + C23:0 + C24:0); MUFA = ∑ (C14:1 + C15:1 + C16:1 + C17:1 + C18:1n9t + C18:1n11t + C18:1n9c + C18:1n7c + C20:1n9 + C22:1n9 + C24:1); PUFA = ∑ (C18:2n6t + C18:2n6c + C18:3n6 + C18:3n3 + C20:2n6 + C20:3n6 + C20:3n3 + C20:4n6 + C22:2 + C20:5n3 + C22:5n3 + C22:6n3). CF = commercial feeding; CPT = corn/pea/triticale; CW = corn/wheat.