Table 8.
Effect of low levels of organic trace elements on serum immune indexes of growing fertile pigs.
| Items | 100% ITMs | OTMs | SEM | P-value | ||
|---|---|---|---|---|---|---|
| 30% | 50% | 70% | ||||
| IgA (μg/mL) | 12.73b | 15.79a | 14.69a | 15.29a | 0.42 | 0.020 |
| IgG (μg/mL) | 20.24 | 19.97 | 17.91 | 20.16 | 0.46 | 0.235 |
| IgM (μg/mL) | 1.18 | 1.12 | 1.08 | 1.18 | 0.02 | 0.263 |
Values are presented as mean and pooled SEM, n = 6. Data in the same row with no or the same letter indicate no significant difference (P > 0.05), while with different letters mean a significant difference (P < 0.05). ITMs, inorganic trace minerals; OTMs, organic trace minerals.