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Table 6 Linear relationships between corn gluten feed (CGF) inclusion and ileal and total tract digestibility coefficients

From: Effects of corn gluten feed inclusion at graded levels in a corn-soybean diet on the ileal and fecal digestibility of growing pigs

Apparent ileal digestibility   
Dry matter DM = 86.77 (±1.02) – 0.028 (±0.008) gCGF1 r2 = 0.86
Energy E = 88.22 (±0.96) – 0.025 (±0.008) gCGF r2 = 0.92
Phenylalanine Phe = 93.31 (±0.46) – 0.011 (±0.004) gCGF r2 = 0.84
Cystine Cys = 87.15 (±1.90) – 0.048 (±0.016) gCGF r2 = 0.92
Proline Pro = 89.36 (±1.89) – 0.045 (±0.016) gCGF r2 = 0.78
Standardized ileal digestibility   
Phenylalanine Phe = 98.13 (±0.51) – 0.015 (±0.004) gCGF r2 = 0.78
Cystine Cys = 92.19 (±1.88) – 0.043 (±0.015) gCGF r2 = 0.94
Proline Pro = 103.20 (±1.84) – 0.047 (±0.015) gCGF r2 = 0.93
Apparent total tract digestibility   
Dry matter DM = 86.52 (±1.16) – 0.027 (±0.010) gCGF r2 = 0.47
Protein CP = 83.85 (±1.74) – 0.020 (±0.014) gCGF r2 = 0.14
Energy E = 86.64 (±1.20) – 0.027 (±0.010) gCGF r2 = 0.46
NDF NDF = 58.13 (±2.97) – 0.041 (±0.015) gCGF r2 = 0.29
  1. 1gCGF = grams of corn gluten feed added to the diet.
  2. NDF = neutral detergent fiber.