Table 2. Ingredient composition of experimental lactation diets (as-fed basis, %).
| Items | Lactation | ||
|---|---|---|---|
| CON1) | CM1 | CM2 | |
| Ingredients | |||
| Corn | 41.08 | 40.94 | 41.19 |
| Soybean meal (48%) | 4.02 | 4.03 | 3.96 |
| Soybean oil | 3.21 | 3.26 | 3.08 |
| Dehulled soybean meal | 12.96 | 12.96 | 12.96 |
| Wheat | 23.00 | 23.00 | 23.00 |
| Wheat bran | 8.31 | 8.31 | 8.31 |
| Rice bran | 2.00 | 2.00 | 2.00 |
| Molasses | 2.00 | 2.00 | 2.40 |
| Mono calcium phosphate | 0.59 | 0.59 | 0.59 |
| Limestone | 1.43 | 1.13 | 0.73 |
| Magnesium oxide | 0.02 | - | - |
| Salt | 0.50 | 0.50 | 0.50 |
| Threonine (100%) | 0.05 | 0.05 | 0.05 |
| L-Lysine (78%) | 0.30 | 0.3 | 0.3 |
| Vitamin / mineral premix2) | 0.40 | 0.40 | 0.40 |
| Choline (25%) | 0.12 | 0.12 | 0.12 |
| Phytase | 0.01 | 0.01 | 0.01 |
| Ca-Mg complex | - | 0.40 | 0.40 |
| Calculated composition | |||
| Metabolizable energy (kcal/kg) | 3,300 | 3,300 | 3,300 |
| Analyzed composition | |||
| DM | 88.80 | 88.1 | 89.00 |
| Dry matter | 3,60 | 3,59 | 3,61 |
| Gross energy | 16.30 | 16.50 | 16.40 |
| Crude protein | 5.76 | 5.81 | 5.64 |
| Calcium | 0.74 | 0.75 | 0.60 |
| Phosphorous | 0.51 | 0.53 | 0.56 |
| Magnesium | 0.25 | 0.25 | 0.25 |
| Lysine | 0.92 | 0.90 | 0.89 |
| Methionine | 0.20 | 0.23 | 0.21 |
1)
CON, basal diet; CM1, basal diet – MgO - 0.3% limestone + 0.40% marine derived Ca-Mg complex; CM2, basal diet - MgO - 0.7% limestone + 0.40% marine derived Ca-Mg complex.
2)
Provided per kg of complete diet: 16,800 IU vitamin A; 2,400 IU vitamin D3; 108 mg vitamin E; 7.2 mg vitamin K; 18 mg riboflavin; 80.4 mg niacin; 2.64 mg thiamine; 45.6 mg D-pantothenic; 0.06 mg cobalamine; 12 mg Cu (as CuSO4); 60 mg Zn (as ZnSO4); 24 mg Mn (as MnSO4); 0.6 mg I (as Ca (IO3)2); 0.36 mg Se (as Na2SeO3).