Table 5.
Average value of selected growth parameters during the experiment and significance of the difference between high-protein and low-protein diets (n = 6 per treatment).
| Protein Level | |||
|---|---|---|---|
| Growth Parameter | High | Low | Significance of the Difference |
| Initial body weight (kg) | 7.80 | 7.77 | NS |
| From weaning to change of housing | |||
| Period I 1 | 17.2 | 15.6 | NS |
| Period II 2 | 29.8 | 28.0 | NS |
| Period I + Period II | 23.5 | 21.8 | NS |
| Average daily gain (g) | |||
| Period I | 377 | 313 | p < 0.01 |
| Period II | 599 | 593 | NS |
| Period I + Period II | 479 | 440 | p < 0.05 |
| Average daily feed intake (g) | |||
| Period I | 585 | 536 | NS |
| Period II | 1181 | 1138 | NS |
| Period I + Period II | 857 | 810 | NS |
| Feed conversion ratio (-/-) | |||
| Period I | 1.55 | 1.72 | p < 0.01 |
| Period II | 1.97 | 1.92 | NS |
| Period I + Period II | 1.79 | 1.84 | p < 0.05 |
| From change of housing to the end of post-weaning (period III) 3 | |||
| Average daily gain (g) | 457 | 437 | NS |
| Average daily feed intake (g) | 952 | 952 | NS |
| Feed conversion ratio (-/-) | 2.11 | 2.18 | NS |
| Final body weight (kg) | 40.7 | 38.5 | NS |
1 Period I: From the start of the experiment until the change of diet; 2 Period II: From the change of diet until the change of housing; Period I + Period II: From the start of the experiment until the change of housing; 3 Period III: From the change of housing until the end of the experiment.