Table 1.
Ingredient composition and nutrient profile of supplements containing INR or AAC
| Item | INR | AAC |
|---|---|---|
| Ingredients, g/d (as-fed basis) | ||
| Dried distillers grains | 193 | 193 |
| Macromineral mix1 | 60.0 | 60.0 |
| Inorganic trace mix2 | 4.67 | 0.00 |
| Organic trace mix3 | 0.00 | 7.00 |
| Nutrient profile4 (dry matter [DM] basis) | ||
| DM, % | 90.8 | 90.9 |
| Net energy for maintenance5, Mcal/kg | 1.58 | 1.57 |
| Net energy for lactation5, Mcal/kg | 1.50 | 1.49 |
| Crude protein, % | 26.0 | 25.7 |
| Ca, % | 4.52 | 4.53 |
| P, % | 2.91 | 2.88 |
| Mg, % | 0.64 | 0.63 |
| K, % | 1.13 | 1.13 |
| Na, % | 1.89 | 1.93 |
| Co, mg/kg | 62.0 | 65.0 |
| Cu, mg/kg | 605 | 600 |
| Fe, mg/kg | 1,883 | 1,931 |
| Mn, mg/kg | 983 | 967 |
| Se, mg/kg | 6.44 | 6.39 |
| Zn, mg/kg | 1,791 | 1,695 |
1Containing (DM basis) 339.7 g/kg CaHPO4, 312.7 g/kg CaCO3, 197.5 g/kg NaCl, 39.1 g/kg KCl, 18.9 g/kg MgO, 4.0 g/kg Fe2O3, 2.5 g/kg S, 0.9 g/kg Vit E, 0.8 g/kg Na2O3Se 3%, 0.7 g/kg Vit A, 0.1 g/kg C2H10I2N2, and 0.1 g/kg Vitamin D 400.
2Containing (DM basis) 420 g/kg ground corn, 213 g/kg ZnSO4, 133 g/kg MnSO4, 106 g/kg CuSO4, and 8 g/kg CoSO4.
3Availa 4 (Zinpro Corporation; Eden Prairie, MN), which contained (DM basis) 5.15% Zn from 1:1 Zn and AA complex, 2.86% Mn from 1:1 Mn and amino acid (AA) complex, 1.80% Cu from 1:1 Cu and AA complex, and 0.18% Co from cobalt glucoheptonate.
4Values obtained via wet chemistry analysis (Dairy One Forage Laboratory, Ithaca, NY).
5Calculated with equations described by the NRC (2000).