Metabolizable Energy of Soybean Meal. Nick Dale and Amy Batal University of Georgia Department of Poultry Science. Solvent-extracted dehulled soybean meal. Solvent-extracted soybean meal with hulls. Soybean meal contaminated with foreign material.
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Metabolizable Energy of Soybean Meal
Nick Dale and Amy Batal
University of Georgia
Department of Poultry Science
Solvent-extracted dehulled soybean meal
Solvent-extracted soybean meal with hulls
Soybean meal contaminated with foreign material
Laboratory44% Protein50% ProteinDifference
kcal/kg, 88% DM
Cornell 2,195 2,474 11.8
Connecticut 2,200 2,356 6.9
Guelph 2,352 2,542 8.8
Average 2,249 2,457 9.2
no.-----kcal/kg, 88% DM---
Variation in crude fat between samples is too low to be useful in prediction equation.
Metabolizable energy is negatively correlated with crude fiber.
TMEn = 3157 – 75 (crude fiber)
(Dry matter basis), r2 = 0.61
Example: 88% Dry matter
TMEn = 2778 – 66 (crude fiber)
TMEn = 2778 – 66 (4.8)
TMEn = 2461 kcal/kg (1119 kcal/lb)
Overprocessed soybean meal
Overprocessing has little effect on the ME of soybean meal