Table 8.
Fatty acid profile (%) of the abdominal fat pad at 46 d of age according to soybean lecithin inclusion.
| Item (%) | Dietary treatments1 |
RSE2 | P value | ||||
|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | T4 | T5 | |||
| Saturated fatty acids | 29.71 | 31.33 | 31.22 | 31.30 | 30.80 | 1.030 | 0.064 |
| C16:0 | 23.02 | 24.20 | 23.91 | 24.40 | 24.41 | 0.767 | 0.068 |
| C18:0 | 5.80 | 6.24 | 6.45 | 6.05 | 5.84 | 0.468 | 0.120 |
| Monounsaturated fatty acids | 44.25 | 44.38 | 43.14 | 45.56 | 44.66 | 1.655 | 0.191 |
| C18:1 ω-9 | 36.31 | 36.97 | 36.32 | 37.85 | 36.81 | 1.108 | 0.145 |
| Polyunsaturated fatty acids | 26.66a | 25.73a,b | 25.65a,b | 23.14c | 24.22b,c | 1.347 | 0.002 |
| C18:2 ω-6 | 23.79a | 23.07a,b | 23.06a,b | 20.74c | 21.77b,c | 1.217 | 0.003 |
| C18:3 ω-3 | 2.27a | 2.12b | 2.04b | 1.90c | 1.91c | 0.101 | <0.001 |
| UFA:SFA | 2.42a | 2.19b | 2.20b | 2.20b | 2.25b | 0.095 | 0.005 |
| PUFA:SFA | 0.88a | 0.83a,b | 0.82a,b | 0.74b | 0.75b | 0.059 | 0.004 |
Values within the same row with no common superscripts are significantly different, P ≤ 0.05.
Abbreviations: PUFA:SFA, polyunsaturated-to-saturated fatty acid ratio; RSE, residual standard error; UFA:SFA, unsaturated-to-saturated fatty acid ratio.
1
T1 = soybean oil (SO) at 2.00%; T2 = SO at 1.50% and soybean lecithin (SL) at 0.50%; T3 = SO at 1.00% and SL at 1.00%; T4 = SO at 0.5% and SL at 1.50%; T5 = SL at 2.00%.
2
Residual standard error of a pool of 3 chickens per replicate.