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Supplemental pyridoxine requirements of White Pekin ducklings from hatch to 28 days of age based on the quadratic regression analysis
| Response criterion | Maximum response | Requirement1 (mg/kg) | Probability | R2 |
|---|---|---|---|---|
| Feed/gain (g/g) | 2.07 | 2.44 | 0.0114 | 0.8933 |
| Aspartate aminotransferase (U/L) | 34.0 | 2.08 | 0.0385 | 0.8038 |
| Homocysteine (μmol/L) | 8.9 | 2.72 | 0.0538 | 0.7680 |
It was estimated as 95% of supplemental pyridoxine level at maximum response.
