Table 1.
Chemical composition and fatty acid profile of total mixed ration (TMR) and pasture in two moments (M1 and M3) of the experiment.
| M1 | M3 | |||
|---|---|---|---|---|
| Component | TMR | Pasture | TMR | Pasture |
| DM (%) | 66.8 | 26.7 | 57.8 | 21.3 |
| CP (% DM) | 16.8 | 13.6 | 16.6 | 10.4 |
| NDF (% DM) | 40.4 | 48.9 | 35.7 | 62.0 |
| ADF (% DM) | 22.3 | 24.0 | 20.5 | 32.2 |
| Ash (% DM) | 6.5 | 10.1 | 6.0 | 10.9 |
| FAs (g/100 g) | ||||
| C10 : 0 | 0.06 | nd | nd | nd |
| C12 : 0 | 0.09 | 0.22 | nd | nd |
| C14 : 0 | 0.41 | 0.63 | 0.14 | 0.55 |
| C15 : 0 | 0.07 | nd | 0.05 | nd |
| C16 : 0 | 14.1 | 25.2 | 13.5 | 29.1 |
| C16 : 1 cis | 0.41 | 0.26 | 0.63 | nd |
| C16 : 1 trans | 0.06 | 1.98 | 0.1 | 1.92 |
| C16 : 2 | 0.04 | nd | nd | nd |
| C17 : 0 | 0.15 | 0.85 | nd | 0.65 |
| C17 : 1 cis | 0.07 | nd | 0.11 | nd |
| C18 : 0 | 5.6 | 13.0 | 5.6 | 10.3 |
| C18 : 1 cis | 37.3 | 10.6 | 41.6 | 9.3 |
| C18 : 1 trans | 0.34 | 0.09 | 0.37 | nd |
| C18 : 2 cis (n-6) | 36.8 | 14.7 | 32.6 | 17.9 |
| C18 : 2 trans | 0.42 | 0.25 | 0.43 | 0.22 |
| C18 : 2 (CLA) | 0.05 | nd | nd | nd |
| C18 : 3 (n-3) | 2.3 | 25.0 | 2.2 | 23.8 |
| C18 : 3 (n-6) | 0.03 | 0.31 | nd | 0.34 |
| C20 : 0 | 0.53 | 1.12 | 0.77 | 1.19 |
| C20 : 1 cis | 0.55 | 0.68 | 0.54 | 0.75 |
| C20 : 1 trans | 0.05 | nd | nd | nd |
| C20 : 2 cis (n-6) | 0.15 | nd | 0.15 | nd |
| C21 : 0 | 0.04 | 0.18 | 0.05 | 0.18 |
| C22 : 0 | 0.29 | 1.73 | 0.46 | 1.55 |
| C23 : 0 | 0.14 | 0.22 | 0.1 | 0.47 |
| C24 : 0 | 0.36 | 1.32 | 0.45 | 1.82 |
| C25 : 0 | 0.07 | 0.27 | 0.09 | 0.11 |
| C26 : 0 | 0.09 | 1.51 | 0.08 | nd |
| C28 : 0 | 0.03 | nd | nd | nd |
| n-3 | 2.27 | 25.0 | 2.17 | 23.8 |
| n-6 | 37.0 | 15.0 | 37.1 | 18.2 |
| Ether extract (g/100) | 3.48 | 2.29 | 3.14 | 1.91 |
M1: one month after calving; M3: three months after calving; CP: crude protein; NDF: neutral detergent fiber; ADF: acid detergent fiber; nd: not detected.