Parameter

Predicted regression model***

R²

Crude protein

Y = 10.36X₁ + 38.33X₂ + 46.77X₃

0.8981

Ash

Y = 1.62X₁ + 16.01X₂ + 27.60X₃

0.9553

Crude fibre

Y = 12.2X₁ − 8.75X₂ + 51.10X₃ − 78.52X₁X₃ + 54.39X₂X₃

0.9028

Carbohydrates

Y = 67.83X₁ + 29.97X₂ − 43.53X₃

0.9353

Crude fat

Y = 2.31X₁ + 13.33X₂ + 4.71X₃ − 18.04X₁X₂ − 14.50X₁X₃

0.7530