Table 2.
Assayed iron, copper, manganese, and zinc content in the experimental diets (mg/kg).
| Ingredients | CON | ITM1 | TRT2 |
|---|---|---|---|
| Iron | 109.2 ± 7.8 (36) | 82.8 ± 6.6 (12) | 80.6 ± 3.3 (12) |
| Copper | 18.6 ± 2.0 (12) | 11.2 ± 1.4 (4) | 11.1 ± 1.4 (4) |
| Manganese | 123.3 ± 5.5 (90) | 64.7 ± 5.9 (30) | 66.4 ± 3.4 (30) |
| Zinc | 113.2 ± 5.4 (90) | 58.7 ± 2.9 (30) | 57.8 ± 3.5 (30) |
The values in brackets indicate the supplementation of trace minerals added to each group.
Abbreviations: CON, basal diet + inorganic trace minerals at commercial levels; ITM, a basal diet + inorganic trace minerals at 1/3 commercial levels; TRT, a basal diet + proteinated trace minerals at 1/3 commercial levels.
1
Inorganic trace minerals provided by Zhejiang Weimeng Feed Technology Co., Ltd.
2
Organic source, proteinated trace minerals (Bioplex Poultry Pack, Alltech Inc., Nicholasville, KY).