Table 2.
Ingredient and nutrient composition of the antepartum and postpartum diets on a dry matter (DM) basis
| Item | Antepartum | Postpartum |
|---|---|---|
| Ingredient | ||
| Corn silage, % | 38.1 | 30.9 |
| Hay crop silage, % | 12.0 | 15.5 |
| Grass hay, % | 12.6 | – |
| Alfalfa hay, % | – | 8.6 |
| Ground shelled corn, % | 21.1 | 24.6 |
| Soybean meal (47.5% CP), % | 4.0 | 3.7 |
| Expeller soybean meal, % | 5.6 | 7.7 |
| Whole cottonseeds, % | 3.6 | 5.6 |
| Sodium bicarbonate, % | – | 0.5 |
| Mineral and vitamin mix, % | 2.9 | 2.9 |
| Energy and nutrients | ||
| NEL, Mcal/kg | 1.54 | 1.74 |
| Crude protein (CP), % | 15.6 | 16.4 |
| MP supply, g/d | 1433 | 2099 |
| Neutral detergent fiber (NDF), % | 35.7 | 34.3 |
| Acid detergent fiber (ADF), % | 23.4 | 22.0 |
| Calcium (Ca), % | 0.91 | 1.07 |
| Phosphorus (P), % | 0.45 | 0.49 |
| Magnesium (Mg), % | 0.46 | 0.32 |
| Sodium (Na), % | 0.14 | 0.13 |
| Potassium (K), % | 1.48 | 1.40 |
| Chloride (Cl), % | 0.76 | 0.39 |
| Sulfur (S), % | 0.20 | 0.22 |