Table 3.
Effects of supplementary feeding and restricted feeding on the fatty acids profile of the longissimus thoracis of Hu sheep (mg/100 g muscle tissue).
| Trait | CON | SF | RF | SEM | P-value |
|---|---|---|---|---|---|
| Saturated fatty acid | |||||
| C10:0 | 0.39 ± 0.21 | 0.04 ± 0.01 | 0.06 ± 0.07 | 0.12 | 0.548 |
| C14:0 | 3.93 ± 1.25 | 3.49 ± 1.47 | 2.99 ± 1.05 | 0.32 | 0.523 |
| C15:0 | 1.89 ± 0.28 | 1.83 ± 0.40 | 1.98 ± 0.33 | 0.08 | 0.787 |
| C16:0 | 215.04 ± 6.41b | 239.72 ± 15.07a | 181.66 ± 12.35c | 6.96 | <0.001 |
| C17:0 | 8.83 ± 0.60b | 10.28 ± 1.13a | 8.51 ± 0.96b | 0.30 | 0.023 |
| C18:0 | 204.97 ± 20.72 | 217.66 ± 13.11 | 213.48 ± 32.01 | 5.74 | 0.688 |
| C20:0 | 2.14 ± 0.26b | 1.86 ± 0.46b | 2.80 ± 0.48a | 0.14 | 0.010 |
| C22:0 | 3.69 ± 1.90 | 5.42 ± 1.64 | 3.45 ± 3.08 | 0.60 | 0.364 |
| C23:0 | 2.61 ± 0.93ab | 1.79 ± 0.43b | 3.53 ± 0.56a | 0.25 | 0.006 |
| C24:0 | 8.66 ± 1.54 | 7.33 ± 1.23 | 8.39 ± 2.18 | 0.43 | 0.447 |
| SFA | 451.71 ± 25.71ab | 489.95 ± 25.30a | 427.51 ± 38.16b | 9.93 | 0.020 |
| Monounsaturated fatty acid | |||||
| C14:1 | 2.68 ± 1.83 | 2.40 ± 1.45 | 1.92 ± 1.19 | 0.37 | 0.734 |
| C16:1 | 12.40 ± 1.88 | 13.45 ± 3.17 | 10.03 ± 2.62 | 0.73 | 0.147 |
| C17:1 | 18.78 ± 3.29 | 21.30 ± 4.55 | 17.84 ± 2.04 | 0.91 | 0.297 |
| C18:1n9t | 14.04 ± 1.09b | 29.70 ± 5.75a | 10.23 ± 2.52b | 2.42 | <0.001 |
| C18:1n9c | 347.11 ± 21.33 | 325.93 ± 43.04 | 305.05 ± 54.32 | 11.01 | 0.318 |
| C22:1n9 | 1.04 ± 0.44 | 0.94 ± 0.50 | 0.96 ± 0.29 | 0.10 | 0.918 |
| C24:1 | 3.68 ± 1.11 | 3.68 ± 0.75 | 4.88 ± 1.50 | 0.32 | 0.208 |
| MUFA | 399.72 ± 20.15 | 397.39 ± 52.61 | 350.91 ± 58.35 | 12.70 | 0.219 |
| Polyunsaturated fatty acid | |||||
| C18:2n6c | 215.42 ± 30.07b | 308.87 ± 36.96a | 174.52 ± 37.79b | 17.21 | <0.001 |
| C18:3n6 | 2.50 ± 0.75b | 3.71 ± 0.51a | 1.85 ± 0.32b | 0.24 | <0.001 |
| C18:3n3 | 9.29 ± 0.77 | 7.82 ± 1.53 | 9.50 ± 2.09 | 0.42 | 0.220 |
| C20:2n6 | 1.54 ± 0.55b | 2.75 ± 0.89a | 1.48 ± 0.34b | 0.22 | 0.013 |
| C20:3n6 | 10.58 ± 0.85 | 11.56 ± 1.41 | 10.53 ± 1.58 | 0.34 | 0.404 |
| C20:3n3 | 0.98 ± 0.27 | 0.83 ± 0.17 | 1.19 ± 0.62 | 0.10 | 0.381 |
| C20:4n6 | 161.27 ± 20.94 | 181.67 ± 18.48 | 188.24 ± 37.40 | 7.14 | 0.293 |
| C20:5n3 | 3.69 ± 1.14 | 3.49 ± 0.46 | 4.56 ± 1.10 | 0.26 | 0.209 |
| C22:6n3 | 3.78 ± 0.90b | 2.99 ± 0.53b | 5.75 ± 1.82a | 0.42 | 0.010 |
| PUFA | 409.06 ± 52.63b | 523.69 ± 49.67a | 397.64 ± 67.10b | 20.42 | 0.008 |
| n-3 PUFA | 17.75 ± 2.62ab | 15.12 ± 2.41b | 21.01 ± 4.05a | 0.98 | 0.035 |
| n-6 PUFA | 391.32 ± 51.59b | 508.57 ± 49.77a | 376.63 ± 64.43b | 20.64 | 0.005 |
| n-6/n-3 | 22.26 ± 3.03b | 34.51 ± 7.88a | 18.19 ± 2.69b | 2.22 | <0.001 |
| UFA | 808.79 ± 50.79b | 921.08 ± 71.83a | 748.54 ± 108.98b | 27.18 | 0.017 |
Values are mean ± SD. a, b, c Mean values with unlike letters statistically significant (P < 0.05) for parameters where the overall one-way ANOVA was significant (P < 0.05). CON = control group; SF = supplementary feeding group; RF = restricted feeding group. SEM = standard error of the mean. SFA: Saturated fatty acids = C10:0 + C14:0 + C15:0 + C16:0 + C17:0 + C18:0 + C20:0 + C22:0 + C23:0 + C24:0. MUFA: Monounsaturated fatty acids = C14:1 + C16:1 + C17:1 + C18:1n9t + C18:1n9c + C20:1n9 + C24:1. PUFA: Polyunsaturated fatty acids = C18:2n6c + C18:3n3 + C18:3n6 + C20:2n6 + C20:3n6 + C20:3n3 + C20:4n6 + C20:5n3 + C22:6n3. n-3 PUFA = C18:3n3 + C20:3n3 + C20:5n3 + C22:6n3. n-6 PUFA = C18:2n6c + C18:3n6 + C20:2n6 + C20:3n6 + C20:4n6. TFA: Total fatty acids = SFA + MUFA + PUFA.