Table 4.
Effects of trace mineral type (coated or uncoated) and supplementation level (300, 500, or 1,000 mg/kg) of trace minerals on liver mineral deposition in ducks (mg/kg).
| Trace minerals | Level (mg/kg) | Se | Zn | Fe | Cu | Mn |
|---|---|---|---|---|---|---|
| Uncoated | 300 | 0.60c | 47.97 | 298.67 | 58.00 | 3.50b |
| 500 | 0.59c | 71.17 | 336.50 | 67.38 | 4.05b | |
| 1,000 | 0.87a,b | 81.9 | 317.33 | 80.00 | 4.50b | |
| Coated | 300 | 0.78b | 58.62 | 345.67 | 65.75 | 3.92b |
| 500 | 1.02a | 80.88 | 367.33 | 72.93 | 4.10b | |
| 1,000 | 0.83b | 86.45 | 304.83 | 90.13 | 5.63a | |
| SEM | 0.143 | 11.605 | 33.965 | 18.208 | 0.833 | |
| Main effect | ||||||
| Trace minerals | Coated | 0.88 | 75.32 | 339.28 | 76.27 | 4.55 |
| Uncoated | 0.69 | 67.01 | 317.5 | 68.46 | 4.01 | |
| Level | 300 | 0.69b | 53.29b | 322.17a | 61.88b | 3.71b |
| 500 | 0.81a,b | 76.03a,b | 351.92a | 70.16a,b | 4.08b | |
| 1,000 | 0.85a | 84.18a | 311.08b | 85.07a | 5.06a | |
| Value of p | ||||||
| Trace minerals | <0.001 | 0.053 | 0.071 | 0.226 | 0.079 | |
| Level | 0.041 | <0.001 | 0.021 | 0.018 | 0.002 | |
| Interaction | 0.002 | 0.810 | 0.114 | 0.957 | 0.002 | |
Se, selenium; Zn, zinc; Fe, iron; Cu, copper; and Mn, manganese.
Means within columns not sharing a common superscript are significantly different at the 5% level of probability.