Table 3.
Analyzed vitamin values in vitamin and vitamin/trace mineral (VTM) premixes 1.
| Item | Vitamin Premix 1 | Vitamin Premix 2 | VTM Premix 1 | VTM Premix 2 | VTM Premix 3 | VTM Premix 4 |
|---|---|---|---|---|---|---|
| Vitamin 2, unit/kg | ||||||
| Vitamin A, IU | 5,423,890.96 | 5,423,890.96 | 1,313,201.26 | 1,331,795.34 | 1,336,480.19 | 1,342,884.50 |
| Vitamin D3, IU | 1,230,463.12 | 1,181,637.43 | 296,688.97 | 300,443.01 | 297,259.89 | 301,900.95 |
| Vitamin E, IU | 11,884.10 | 12,087.20 | 2938.45 | 2931.97 | 2978.32 | 3018.27 |
| Vitamin K3, mg | 1178.10 | 1183.14 | 305.85 | 295.95 | 298.61 | 302.94 |
| Vitamin B1, mg | 1165.00 | 1186.21 | 298.79 | 297.99 | 298.03 | 297.10 |
| Vitamin B2, mg | 2330.58 | 2348.85 | 596.55 | 589.76 | 590.07 | 606.20 |
| Vitamin B6, mg | 1184.88 | 1162.39 | 312.83 | 291.20 | 299.53 | 301.60 |
| Niacin, mg | 11,986.84 | 12,037.98 | 3007.11 | 2959.04 | 2979.74 | 2936.19 |
| Pantothenic acid, mg | 7166.46 | 7137.66 | 1840.95 | 1799.86 | 1836.04 | 1731.48 |
1 Vitamin premixes were designed to be added at a rate of 0.25% of the diet for weanling piglets, and VTM premixes were designed to be added at a rate of 1% of the diet for weanling piglets. 2 Values represent means of six replicate samples each analyzed in duplicate (method 2012.10 for VA and VE analysis; AOAC 2012, method 992.26 for VD3 analysis; AOAC 2012, GB/T 18872-2017 for VK3 analysis; National standard 2017, method for water soluble vitamins analysis; Chen et al. 2009, Ministry of Agriculture and Rural Affairs Feed Efficacy and Safety Evaluation Center, Beijing, CN).