Table 2 Ingredient and nutrient composition of the antepartum and postpartum diets on a dry matter (DM) basis

 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

 NE_L, 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