Table 6.
Effects of dietary supplemental manganese on manganese content in tibia of yellow-feathered broilers(μg/g). 1.
| Days of Age | Manganese Supplemental Level, mg/kg | SEM | p Value 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 20 | 40 | 60 | 80 | 100 | 120 | 140 | Mn | Linear | Quadratic | ||
| 21 | 2.62 e | 2.88 de | 3.04 d | 3.76 c | 4.14 b | 3.91 bc | 4.81 a | 4.35 b | 0.79 | <0.001 | <0.001 | <0.001 |
| 42 | 2.80 e | 3.27 d | 3.79 c | 3.81 c | 4.28 b | 4.45 ab | 4.56 ab | 4.71 a | 0.75 | <0.001 | <0.001 | <0.001 |
| 63 | 2.72 d | 2.85 cd | 3.10 c | 3.33 bc | 3.62 b | 3.48 b | 3.61b | 4.02 a | 0.52 | <0.001 | <0.001 | <0.001 |
a–e Within a row, means with different lowercase superscripts differ significantly (p < 0.05) 1 Linear and quadratic effects were tested only when manganese levels were significant.