Table 2.
The measured Cu content in yellow-feathered broiler’s diets at different phases (as-fed basis)1
| Diets | Groups2 | |||
|---|---|---|---|---|
| CON | N50 | N100 | N200 | |
| Starter phase (days 1 to 21), mg/kg | 11.70 ± 0.68 | 19.78 ± 0.35 | 24.75 ± 1.65 | 33.87 ± 2.30 |
| Grower phase (days 22 to 42), mg/kg | 13.29 ± 0.43 | 22.38 ± 1.24 | 26.23 ± 1.62 | 38.60 ± 0.54 |
| Finisher phase (days 43 to 63), mg/kg | 11.30 ± 1.05 | 19.28 ± 1.73 | 24.47 ± 1.82 | 38.24 ± 1.84 |
1The results are presented as mean ± SD (n = 2).
2Group CON: basal diet; Group N50: basal diet added with 50 mg/kg nano-composite of copper and carbon (NCCC); Group N100: basal diet added with 100 mg/kg NCCC; Group N200: basal diet added with 200 mg/kg NCCC.