Table 2.
Calculated and analyzed nutrient composition of experimental diets, as-fed basis
Calculated | Analyzed | |||||
---|---|---|---|---|---|---|
Parameter | HSBM | LSBM | N free | HSBM | LSBM | N free |
DM, % | 89.2 | 89.5 | – | 94.6 | 94.6 | 96.3 |
Energy, Mcal/kg1 | 3.31 | 3.33 | 3.71 | 4.00 | 3.88 | 3.82 |
CP, % | 19.4 | 14.2 | 0.20 | 18.5 | 13.0 | 0.73 |
Indispensable AA, % | ||||||
Arg | 1.17 | 0.66 | 0.01 | 1.15 | 0.60 | 0.01 |
His | 0.48 | 0.34 | 0.01 | 0.49 | 0.33 | 0.02 |
Ile | 0.72 | 0.48 | 0.01 | 0.80 | 0.51 | 0.02 |
Leu | 1.51 | 1.26 | 0.03 | 1.60 | 1.20 | 0.05 |
Lys | 0.92 | 0.92 | 0.00 | 1.12 | 1.10 | 0.03 |
Met | 0.28 | 0.31 | 0.00 | 0.27 | 0.29 | 0.01 |
Met + Cys | 0.55 | 0.52 | 0.00 | 0.55 | 0.47 | 0.10 |
Phe | 0.85 | 0.60 | 0.01 | 0.94 | 0.62 | 0.02 |
Thr | 0.61 | 0.56 | 0.01 | 0.71 | 0.60 | 0.01 |
Trp | 0.21 | 0.16 | 0.00 | 0.19 | 0.14 | 0.00 |
Val | 0.79 | 0.60 | 0.01 | 0.89 | 0.61 | 0.02 |
Dispensable AA, % | ||||||
Ala | – | – | – | 0.93 | 0.65 | 0.03 |
Asp | – | – | – | 1.90 | 1.05 | 0.03 |
Cys | 0.27 | 0.21 | 0.00 | 0.28 | 0.18 | 0.09 |
Glu | – | – | – | 3.28 | 2.26 | 0.06 |
Gly | – | – | – | 0.77 | 0.45 | 0.01 |
Pro | – | – | – | 1.03 | 0.90 | 0.03 |
Ser | – | – | – | 0.81 | 0.54 | 0.02 |
Tyr | 0.55 | 0.45 | 0.01 | 0.50 | 0.29 | 0.01 |
HSBM = high soybean meal; LSBM = low soybean meal; N free = nitrogen free.
1Calculated composition = Mcal ME/kg; analyzed composition = Mcal GE/kg.