Table 1.
Composition of the vitamin premixes for meat duck1.
| Item | 1–14 D |
15–56 D |
||
|---|---|---|---|---|
| NRC2 | NY/T3 | NRC2 | NY/T3 | |
| A (IU) | 2,500 | 4,000 | 2,500 | 3,000 |
| D3 (IU) | 400 | 2,000 | 400 | 2,000 |
| E (IU) | 10 | 20 | 10 | 20 |
| K3 (mg) | 0.5 | 2 | 0.5 | 2 |
| B1 (mg) | 1.8 | 2 | 1.8 | 1.5 |
| B2 (mg) | 4 | 10 | 4 | 10 |
| B6 (mg) | 2.5 | 4 | 2.5 | 3 |
| B12 (mg) | 0.01 | 0.02 | 0.01 | 0.02 |
| Niacin (mg) | 55 | 50 | 55 | - |
| Pantothenic Acid (mg) | 11 | 20 | 11 | 10 |
| Biotin (mg) | 0.15 | 0.15 | 0.15 | 0.15 |
| Folic acid (mg) | 0.55 | 1 | 0.55 | 1 |
1
Supplied in per kilogram of diet.
2
The vitamin levels recommended by the NRC (NRC, 1994).
3
The vitamin levels recommended by the China Agricultural Industry Standards (NY/T, 2012).