Table 6.
Tibia ash and phosphorus content in defatted tibia of broilers at 21 days of age fed diets with different levels of phytase
| Variables | Experimental diets1) | p-value | SEM | |||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| No phytase | Phytase 500 +MT A | Phytase 1,000 +MT A | Phytase 1,500 +MT A | Phytase 1,000 +MT B | Phytase 1,500 +MT C | |||
| Ash (%) | 50.28 | 48.50 | 48.68 | 49.05 | 48.91 | 48.47 | 0.601 | 0.31 |
| Tibia phosphorus (%) | 8.50 | 8.04 | 8.40 | 8.18 | 8.15 | 8.26 | 0.730 | 0.08 |
SEM, standard error of the means.
1)
Matrix A (MT A): 0.165% Ca, 0.150% avP, and 0.035% Na; matrix B (MT B): 0.215% Ca, 0.195% avP, and 0.045% Na; matrix C (MT C): 0.245% Ca, 0.225% avP, and 0.053% Na.