Table 2. L9 (34) Orthogonal experiment (mg/kg basal diet).
Treatment No. | Cu2+ | Zn2+ | Fe2+ | I− |
1 | 200 | 160 | 150 | 2.4 |
2 | 200 | 110 | 100 | 1.2 |
3 | 200 | 60 | 50 | 0.6 |
4 | 150 | 160 | 100 | 0.6 |
5 | 150 | 110 | 50 | 2.4 |
6 | 150 | 60 | 150 | 1.2 |
7 | 100 | 160 | 50 | 1.2 |
8 | 100 | 110 | 150 | 0.6 |
9 | 100 | 60 | 100 | 2.4 |