Table 4.
Effect of phytase and myo-inositol supplementation on prececal Ca and P digestibility up to the terminal ileum1, serum Ca and Pi2, and tibia ash weight3 of broiler chickens on d 22.
| Ca digestibility | P digestibility | Digested Ca | Digested P | Serum Ca | Serum Pi | Tibia ash weight | |
|---|---|---|---|---|---|---|---|
| Treatment | % | g/kg DM | mmol/l | mg | |||
| C | 45b | 60c | 4.3 | 4.6 | 2.98 | 3.48 | 1,201 |
| C+MI | 42b | 58c | 4.3 | 4.6 | 3.06 | 3.73 | 1,187 |
| Phy500 | 51a | 68b | 4.0 | 4.2 | 3.11 | 3.50 | 1,174 |
| Phy1500 | 53a | 75a | 4.2 | 4.5 | 3.04 | 3.75 | 1,171 |
| Phy3000 | 52a | 77a | 3.9 | 4.5 | 2.98 | 3.55 | 1,169 |
| Pooled SEM | 2.5 | 1.7 | 0.2 | 0.1 | 0.09 | 0.17 | 16.6 |
| P-value | <0.001 | <0.001 | 0.319 | 0.064 | 0.599 | 0.663 | 0.555 |
1Data are given as treatment means; n = 8 pens per treatment.
2Data are given as treatment means; n = 8 individuals per treatment.
3Data are given as treatment means; n = 88 individuals per treatment.
a–cMeans within a column not showing a common superscript differ (P < 0.05).