They are used by farmers from the age of 36 days until slaughtering.
| ROSS | COBB | |
|---|---|---|
| Protein % | 17-18 | 17 |
| Energy KG/KCAL | 3100 | 3150 |
| Calcium % | 0.8 | 0.90 |
| Phosphorus(available) % | 0.4 | 0.45 |
| Sodium % | 0.12 | 0.16 |
| Lysine(digestible) % | 1 | 1 |
| Methionine(digestible) % | 0.4 | 0.49 |
| Threonine(digestible) % | 0.75 | 0.78 |
| Fiber % | 4 | 4 |
| Dry matter % | 88 | 88 |
| GR consumption | 1300 | 1300 |
| Energy to protein ratio | 172.02 | 185.29 |