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. 2020 May 23;10(5):907. doi: 10.3390/ani10050907

Table 3.

Chemical composition (g/kg DM), gross energy (GE), and apparent metabolizable energy content (AMEN) of maize grain.

Item Early (FAO <230) Medium Early ( FAO 230–240) Medium Late (FAO 250–260) SEM p-Value (FAO)
Boruta Pioneer G12 Mean SD Eurostar Nysa Opoka Pioneer H84 Smok Mean SD Arobase Moncada Mean SD
Dry matter g/kg 878 871 875 3.6 870 882 871 877 888 878 7.0 881 878 880 1.8 0.9 0.45
Crude ash 12 12 12 0.1 13 14 13 11 16 14 1.7 14 15 15 0.3 0.2 0.07
Crude protein 110 99 104 6.2 93 130 100 91 137 110 20.3 127 90 109 21.1 10.6 0.88
Ether extracts 47 47 47 0.1 50 45 47 19 38 40 11.7 50 27 39 13.2 6.6 0.53
NFE 1 811 818 815 3.8 822 792 823 857 788 816 26.5 783 843 813 35.2 17.6 0.97
Sugars 31 15 23 9.4 16 18 12 13 16 15 2.4 15 8 12 4.1 2.0 0.02
Starch 678 766 722 51.0 744 675 725 757 680 716 34.7 665 753 709 50.9 25.5 0.91
Amylose 229 215 222 8.4 212 215 226 223 220 219 5.4 215 219 217 2.9 1.4 0.51
Amylopectin 449 552 500 59.4 532 460 499 533 460 496 34.2 450 534 492 48.1 24.0 0.96
Amylose in starch % 34 28 31 3.3 29 32 31 30 32 31 1.5 32 29 31 1.8 0.9 0.98
Crude fiber 20 24 22 2.5 22 19 17 22 22 20 2.4 26 24 25 1.1 0.6 0.01
aNDF 2 136 117 127 10.9 155 117 104 137 156 134 21.8 159 140 149 11.1 5.6 0.21
ADF 3 48 54 51 3.4 47 45 40 46 46 45 2.7 65 49 57 9.5 4.6 <0.01
ADL 4 9 15 12 3.4 6 9 8 8 6 7 1.2 12 9 10 2.0 1.0 <0.01
IDF 5 93 85 89 4.5 107 100 97 103 94 100 4.7 107 119 113 7.0 3.5 <0.01
SDF 6 7 9 8 1.1 9 8 4 8 6 7 2.0 9 8 8 0.8 0.4 0.31
TDF 7 100 94 97 4.2 116 108 101 111 100 107 6.8 116 127 122 7.7 3.8 0.07
GE, MJ/kg DM 18.8 19.0 18.9 0.2 19.1 18.7 18.6 18.6 18.8 18.8 0.2 18.9 18.3 18.57 0.4 0.2 0.14
AMEN, MJ/kg DM 15.9 16.3 16.1 0.2 15.7 15.3 15.4 15.6 15.5 15.5 0.2 15.3 14.5 14.9 0.5 0.2 <0.01
AMEN/GE % 84.8 85.6 85.2 0.5 82.2 81.8 82.7 84.0 82.5 82.7 0.9 81.0 79.2 80.09 1.0 0.5 <0.01

1 N-free extract, 2 neutral detergent fiber determined with heat-stable amylase, 3 acid detergent fiber, 4 acid detergent lignin, 5 insoluble dietary fiber, 6 soluble dietary fiber, 7 total dietary fiber.