Broilers are used from ages 1 to 8 days.

ROSS COBB
Protein % 22-23 21
Energy KG/KCAL 2850 2950
Calcium % 1 1
Phosphorus(available) % 0.5 0.5
Sodium % 0.12 0.2
Lysine(digestible) % 1.3 1.2
Methionine(digestible) % 0.5 0.54
Threonine(digestible) % 0.9 0.91
Fiber % 3.5 3.5
Dry matter % 89 89
GR consumption 190 190
Energy to protein ratio 121.7 140.48