Table 3.
Effect of feeding cold-pressed sunflower cake on ruminal unsaturated fatty acid composition in dairy cows (n = 10).
| Item (g/100 g FA) | CTR | CPSC | SED | p-Value |
|---|---|---|---|---|
| C16:1 cis-9 | 0.068 | 0.074 | 0.0085 | 0.492 |
| C16:1 trans-9 | 0.012 | 0.016 | 0.0024 | 0.117 |
| C18:1 cis-9 | 4.25 | 3.99 | 0.370 | 0.512 |
| C18:1 cis-11 | 0.530 | 0.580 | 0.0455 | 0.297 |
| C18:1 cis-12 | 0.626 | 0.995 | 0.0514 | <0.001 |
| C18:1 cis-13 | 0.130 | 0.132 | 0.0134 | 0.886 |
| C18:1 cis-15 | 0.216 | 0.219 | 0.0099 | 0.774 |
| C18:1 cis-16 | 0.123 | 0.131 | 0.0057 | 0.327 |
| C18:1 trans-4 | 0.197 | 0.231 | 0.0154 | 0.054 |
| C18:1 trans-5 | 0.129 | 0.157 | 0.0123 | 0.052 |
| C18:1 trans-6-7-8 | 0.651 | 0.738 | 0.0363 | 0.043 |
| C18:1 trans-9 | 0.445 | 0.564 | 0.0234 | <0.001 |
| C18:1 trans-10 | 0.760 | 0.944 | 0.0377 | 0.001 |
| C18:1 trans-11 | 4.83 | 5.56 | 0.261 | 0.023 |
| C18:1 trans-12 | 0.910 | 1.120 | 0.020 | <0.001 |
| C18:1 trans-13-14 | 1.18 | 1.45 | 0.089 | 0.016 |
| C18:1 trans-15 | 0.836 | 0.963 | 0.0206 | <0.001 |
| C18:1 trans-16 | 0.761 | 0.849 | 0.0433 | 0.077 |
| C20:1 cis-11 | 0.153 | 0.097 | 0.0199 | 0.024 |
| C22:1 cis-13 | 0.039 | 0.031 | 0.0058 | 0.192 |
| C24:1 cis-15 | 0.098 | 0.091 | 0.0063 | 0.343 |
| C18:2 cis-9 cis-12 | 2.50 | 2.39 | 0.271 | 0.694 |
| C18:2 cis-9 trans-12 | 0.053 | 0.031 | 0.0045 | 0.001 |
| C18:2 trans-11 cis-15 | 0.423 | 0.627 | 0.0548 | 0.006 |
| C18:2 trans-11 trans-15 | 0.096 | 0.136 | 0.0052 | <0.001 |
| C18:2 cis-9 trans-11 CLA | 0.474 | 0.429 | 0.0802 | 0.589 |
| C18:2 trans-9 cis-11 CLA | 0.012 | 0.009 | 0.0046 | 0.536 |
| C18:2 trans-10 cis-12 CLA | 0.069 | 0.066 | 0.0145 | 0.858 |
| C18:2 trans-11 trans-13 CLA | 0.171 | 0.227 | 0.0164 | 0.009 |
| C18:3n-3 | 0.642 | 0.852 | 0.0965 | 0.062 |
| C18:3n-6 | 0.007 | 0.029 | 0.0015 | <0.001 |
| C20:2n-6 | 0.026 | 0.023 | 0.0041 | 0.473 |
| C20:3n-6 | 0.024 | 0.067 | 0.0149 | 0.021 |
| C20:4n-6 | 0.023 | 0.056 | 0.0059 | <0.001 |
| ∑ MUFA trans | 10.70 | 12.60 | 0.330 | <0.001 |
| ∑ MUFA cis | 6.20 | 6.30 | 0.420 | 0.794 |
| ∑ MUFA | 16.90 | 18.90 | 0.590 | 0.009 |
| ∑ PUFA | 4.77 | 5.09 | 0.400 | 0.446 |
| ∑CLA | 0.905 | 0.801 | 0.0955 | 0.306 |
| ∑ n-3 | 0.663 | 0.885 | 0.0967 | 0.050 |
| ∑ n-6 | 0.079 | 0.175 | 0.0179 | <0.001 |
| n-6:n-3 | 0.117 | 0.208 | 0.0243 | 0.006 |
| C18:1 trans-10:trans-11 | 0.161 | 0.172 | 0.0072 | 0.165 |
CTR: control, CPSC: cold-pressed sunflower cake, SED: standard error of the difference, FA: fatty acid, MUFA: mono-unsaturated FA, PUFA: poly-unsaturated FA, CLA: conjugated linoleic acid.