Table 3 Fatty acid composition of longissimus dorsi muscle of lambs restricted to 2-, 4-, 8-, and 12-h access to pasture.
Item | Treatment1 | s.e.m. | P-value2 | |||
|---|---|---|---|---|---|---|
2H | 4H | 8H | 12H | |||
C10:0 (%) | 0.16 | 0.17 | 0.17 | 0.20 | 0.008 | 0.437 |
C12:0 (%) | 0.22 | 0.22 | 0.21 | 0.20 | 0.011 | 0.885 |
C14:0 (%) | 2.68 | 2.59 | 2.65 | 2.51 | 0.074 | 0.880 |
C14:1 (%) | 0.10 | 0.08 | 0.09 | 0.11 | 0.005 | 0.186 |
C15:0 (%) | 0.38 | 0.47 | 0.47 | 0.50 | 0.019 | 0.113 |
C15:1 (%) | 0.12 | 0.11 | 0.11 | 0.11 | 0.009 | 0.997 |
C16:0 (%) | 23.12 | 22.81 | 22.67 | 21.59 | 0.233 | 0.096 |
C16:1 (%) | 1.56 | 1.58 | 1.57 | 1.62 | 0.040 | 0.958 |
C17:0 (%) | 1.18 | 1.32 | 1.38 | 1.34 | 0.041 | 0.364 |
C17:1 (%) | 0.12b | 0.17a | 0.08c | 0.09c | 0.008 | <0.001 |
C18:0 (%) | 21.40 | 19.49 | 20.07 | 20.94 | 0.282 | 0.060 |
C18:1 trans-11 (%) | 0.42b | 0.60a | 0.55a | 0.58a | 0.018 | 0.0002 |
C18:1cis-9 (%) | 40.47 | 39.72 | 40.01 | 39.82 | 0.334 | 0.879 |
C18:2 trans-9 trans-12 (%) | 0.42b | 0.51a | 0.50a | 0.47a | 0.011 | 0.003 |
C18:2 cis-9 cis-12 (%) | 2.78b | 3.64a | 3.47a | 3.88a | 0.134 | 0.014 |
C18:3 n-6 (%) | 0.04 | 0.05 | 0.04 | 0.04 | 0.003 | 0.584 |
C18:3 n-3 (%) | 0.74b | 1.16ab | 1.10ab | 1.56a | 0.098 | 0.014 |
CLA cis-9 trans-11 (%) | 0.47b | 0.64a | 0.72a | 0.80a | 0.036 | 0.004 |
CLA trans-10 cis-12 (%) | 0.12 | 0.14 | 0.15 | 0.19 | 0.011 | 0.283 |
C20:0 (%) | 0.18 | 0.17 | 0.22 | 0.21 | 0.010 | 0.224 |
C20:1 (%) | 0.08 | 0.08 | 0.08 | 0.10 | 0.006 | 0.542 |
C21:0 (%) | 0.38 | 0.34 | 0.46 | 0.41 | 0.073 | 0.953 |
C20:2 (%) | 0.12b | 0.21a | 0.13b | 0.12b | 0.010 | <0.001 |
C20:3 n-6 (%) | 0.15 | 0.10 | 0.14 | 0.17 | 0.010 | 0.097 |
C20:3 n-3 (%) | 0.02c | 0.04b | 0.02c | 0.08a | 0.005 | 0.034 |
C20:4 n-6 (%) | 1.73b | 2.09a | 1.98a | 1.93a | 0.041 | 0.007 |
C20:5 n-3 (%) | 0.09 | 0.13 | 0.11 | 0.11 | 0.002 | 0.052 |
C22:0 (%) | 0.08a | 0.05b | 0.05b | 0.07ab | 0.004 | 0.005 |
C22:6 n-3 (%) | 0.35b | 0.44a | 0.31bc | 0.23c | 0.021 | 0.0003 |
SFA (%) | 49.71a | 47.12b | 48.13ab | 48.17ab | 0.307 | 0.016 |
MUFA (%) | 43.73 | 43.60 | 42.85 | 42.30 | 0.282 | 0.245 |
PUFA (%) | 6.79b | 8.32a | 7.78a | 8.51a | 0.204 | 0.005 |
n-6/n-3 | 3.74 | 3.68 | 3.93 | 3.79 | 0.153 | 0.955 |
IMF (g kg−1 DM) | 4.42 | 3.03 | 3.33 | 3.38 | 0.291 | 0.350 |