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Estimations of phosphorus requirements for weight gain of birds aged 1–42 d.
| Phase | Average Weight, g | Average Weight Gain, g/d | Average P Content 1, % | Requirements, mg/d |
|---|---|---|---|---|
| 1–14 d | 122 | 5.94 | 0.440 | 26.1 |
| 15–42 d | 404 | 10.1 | 0.680 | 68.9 |
1 Average P content = average P content in the carcasses and feathers.
