Table 1.
Chemical composition, nutritive value and fatty acid profile of feeds.
| Chemical Composition (g/kg DM) | Hay | Concentrate * | Pasture |
|---|---|---|---|
| Crude protein | 164.2 | 180.0 | 167.0 |
| Ether extract | 16.3 | 30.0 | 19.0 |
| NDF | 434.1 | 270.0 | 495.0 |
| ADF | 311.4 | 115.0 | 345.0 |
| ADL | 54.3 | 30.0 | 50.0 |
| UFL (kg DM) | 0.75 | 1.03 | 0.76 |
| Fatty acid profile (% of total FA) | |||
| SFA | 23.0 | 24.6 | 17.6 |
| MUFA | 8.4 | 16.0 | 6.4 |
| PUFA | 68.6 | 59.4 | 76.0 |
| C18:2 | 18.1 | 46.0 | 26.0 |
| C18:3 | 38.8 | 9.3 | 42.6 |
DM, dry matter; NDF, neutral detergent fiber; ADF, acid detergent fiber; ADL, acid detergent lignin; UFL, unit feed for lactation; SFA, saturated fatty acid; MUFA, mono-unsaturated fatty acid; PUFA, polyunsaturated fatty acid. *Ingredients (g/kg DM): Soft wheat bran 300; soybean solvent extract 130; corn 130; sunflower 105; citrus pulp 80; dried beet pulp 79; corn gluten feed 70; sugarcane molasses 77; CaCO3 15; dicalcium phosphate 7; vitamin-mineral premix 2 and NaCl 7.