Table 4.
| Grower-finisher diets |
||||||||
|---|---|---|---|---|---|---|---|---|
| Unsaturated - S diets |
Saturated - P diets |
|||||||
| Item | S5 | S15 | S35 | S50 | P5 | P15 | P35 | P50 |
| Macronutrient content | ||||||||
| Dry matter % | 90.80 | 90.84 | 90.70 | 90.76 | 90.92 | 90.87 | 90.84 | 90.76 |
| Crude protein % | 19.29 | 19.89 | 20.16 | 19.93 | 19.83 | 20.09 | 19.49 | 19.75 |
| Crude fat % | 7.29 | 7.46 | 7.26 | 7.28 | 7.47 | 7.42 | 7.22 | 7.35 |
| Crude fiber % | 5.59 | 5.24 | 5.27 | 5.08 | 5.60 | 5.61 | 6.02 | 6.81 |
| Ash % | 6.12 | 6.15 | 6.01 | 6.28 | 5.76 | 6.04 | 6.04 | 6.14 |
| Gross energy, kcal/kg | 4,134 | 4,198 | 4,175 | 4,118 | 4,130 | 4,184 | 4,172 | 4,151 |
| Fatty acid composition, % | ||||||||
| C14:0 | - | - | - | - | 1.1 | 1.1 | 1.0 | 1.0 |
| C16:0 | 14.39 | 14.73 | 16.21 | 17.21 | 37.80 | 37.64 | 38.38 | 39.94 |
| C18:0 | 4.02 | 4.18 | 4.62 | 4.71 | 3.85 | 3.83 | 3.78 | 3.88 |
| C18:1 n-9 | 20.50 | 20.56 | 20.96 | 20.92 | 31.26 | 30.67 | 30.19 | 30.32 |
| C18:1 n-7 | 1.35 | 1.36 | 1.34 | 1.34 | 0.85 | 0.85 | 0.82 | 0.80 |
| C18:2 n-6 | 52.37 | 51.94 | 50.20 | 49.52 | 22.38 | 23.13 | 23.09 | 21.45 |
| C18:3 n-3 | 6.12 | 5.90 | 5.26 | 4.79 | 1.71 | 1.78 | 1.79 | 1.71 |
| Minor fatty acids | 1.26 | 1.34 | 1.42 | 1.51 | 1.06 | 1.04 | 0.94 | 0.88 |
| SFA | 19.39 | 19.97 | 21.98 | 23.18 | 43.39 | 43.12 | 43.69 | 45.33 |
| MUFA | 22.12 | 22.19 | 22.56 | 22.51 | 32.51 | 31.97 | 31.43 | 31.52 |
| PUFA | 58.49 | 57.84 | 55.46 | 54.31 | 24.10 | 24.91 | 24.88 | 23.16 |
| UFA:SFA ratio | 4.16 | 4.01 | 3.55 | 3.31 | 1.30 | 1.32 | 1.29 | 1.21 |
| Lipid-class composition, % | ||||||||
| TAG | 96.03 | 79.67 | 56.50 | 35.42 | 83.23 | 73.05 | 56.72 | 44.99 |
| DAG | 2.59 | 3.84 | 6.06 | 8.01 | 8.83 | 7.63 | 5.76 | 4.29 |
| MAG | 0.49 | 0.66 | 1.48 | 2.28 | 0.70 | 0.92 | 0.90 | 1.06 |
| FFA | 0.89 | 15.83 | 35.96 | 54.28 | 7.23 | 18.39 | 36.63 | 49.66 |
Abbreviations: DAG, diacylglycerols; FFA, free fatty acids; MAG, monoacylglycerols; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids; SFA, saturated fatty acids; TAG, triacylglycerols; UFA, unsaturated fatty acids.
All samples were analyzed at least in duplicate.
Dietary treatments supplemented with 6% of an unsaturated (S) or saturated fat source (P): S5 - 100% crude soybean oil, S15 - oil blend with 70% crude soybean oil and 30% acid soybean oil from chemical refining (SA), S35 - oil blend with 30% crude soybean oil and 70% SA, S50 - 100% SA, P5 - 100% crude palm oil, P15 - oil blend with 80% crude palm oil and 20% palm fatty acid distillate from physical refining (PA), S35 - oil blend with 53% crude palm oil and 47% PA, S50 - oil blend with 33% crude palm oil and 66% PA.