Maize bran

Byproduct of flour or grits manufacture from maize grain (Zea mays L.). It consists principally of outer skins, some germ fragments, and endosperm particles. Maize bran is an extremely variable product. Other name: corn bran (USA).

Values

Main constituents
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Dry matter 90.9 100 % - 2.9 84.5 -98.1 134 4.5
Crude protein 10.2 11.3 % - 1.8 4.3 -15.9 136 2 4.8 -18 137
Crude fibre 7.8 8.6 % - 3.6 4.2 -18 127 3.9 4.3 -20.2 125
Crude fat 4.3 4.7 % - 2.1 1.2 -12.1 418 2.3 1.3 -13.7 409
Ash 4.1 4.5 % - 1.6 1.4 -10.3 127 1.8 1.6 -11.5 127
Insoluble ash 0.7 0.8 % - 1 0.01 -2.8 17 1.1 0.01 -3.2 17
NDF 35.7 39.3 % - 11.1 18.3 -61 44 12.1 19 -67.8 47
ADF 9.7 10.6 % - 4.1 4.9 -19.6 41 4.5 5.4 -22 44
Lignin 1.6 1.7 % - 0.9 0.6 -4.3 44 1 0.7 -4.8 45
Water insoluble cell walls 38 41.8 % - 37.7 -69.5 2 41.6 -76.9 2
Starch 35.1 38.6 % - 8.5 14.7 -57.5 120 9.2 16.2 -60.7 118
Starch, enzymatic method 32.6 35.9 % - 1
Total sugars 2.6 2.8 % - 0.9 0.7 -5 314 1 0.7 -5.5 315
Gross energy (kcal) 4150 4570 kcal/kg - 380 3670 -4840 20 390 4130 -5680 21
Gross energy (MJ) 17.4 19.1 MJ/kg - 1.6 15.4 -20.2 20 1.6 17.3 -23.8 21
Mineral elements
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Calcium 2.7 3 g/kg - 2.7 0.09 -13.1 271 3 0.1 -14.7 271
Phosphorus 3 3.3 g/kg - 0.7 0.5 -5.4 258 0.8 0.6 -6 258
Phytate phosphorus 2.2 2.4 g/kg 75 % P
Magnesium 2 2.2 g/kg - 0.8 0.8 -3.8 22 0.9 0.9 -4.4 22
Potassium 6.8 7.5 g/kg - 2.6 3.3 -12.4 25 2.8 3.5 -13.7 25
Sodium 0.12 0.13 g/kg - 0.14 0 -0.43 10 0.15 0 -0.48 10
Chlorine 1.9 2.1 g/kg - 1 0.5 -3.6 6 1.1 0.6 -3.9 6
Sulfur 1.1 1.2 g/kg - 0.2 -8.6 4 0.2 -9.5 4
Dietary cation-anion difference 59 65 mEq/kg -
Electrolyte balance 127 140 mEq/kg -
Manganese 14 15 mg/kg - 9 0.1 -34 8 10 0.2 -37 8
Zinc 88 97 mg/kg - 73 4 -211 8 81 4 -233 8
Copper 6 7 mg/kg - 5 3 -15 8 5 3 -17 8
Iron 62 68 mg/kg - 23 35 -89 5 25 38 -98 5
Selenium 0.2 0.2 mg/kg -
Cobalt 0.3 0.3 mg/kg - 1 1
Molybdenum 0.6 0.7 mg/kg - 1 1
Fatty acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
C6 + C8 + C10 fatty acids 0 0 g/kg 0 % FA
C12:0 lauric acid 0 0 g/kg 0 % FA
C14:0 myristic acid 0.05 0.06 g/kg 0.1 % FA 0.1 0.1-0.4 18
C16:0 palmitic acid 3.8 4.2 g/kg 10.5 % FA 0.8 8.6-13.6 202
C16:1 palmitoleic acid 0 0 g/kg 0 % FA 1
C18:0 stearic acid 0.7 0.7 g/kg 1.8 % FA 0.2 1.3-2.7 201
C18:1 oleic acid 9.5 10.4 g/kg 26.1 % FA 3 20-35.4 202
C18:2 linoleic acid 21.6 23.7 g/kg 59.5 % FA 3.4 49.4-67.6 208
C18:3 linolenic acid 0.5 0.5 g/kg 1.3 % FA 0.3 0.3-1.9 202
C18:4 stearidonic acid 0 0 g/kg 0 % FA
C20:0 arachidic acid 0.2 0.2 g/kg 0.6 % FA 0.2 0.1-1.2 186
C20:1 eicosenoic acid 0 0 g/kg 0 % FA
C20:4 arachidonic acid 0 0 g/kg 0 % FA
C20:5 eicosapentaenoic acid 0 0 g/kg 0 % FA
C22:0 behenic acid 0 0 g/kg 0 % FA
C22:1 erucic acid 0 0 g/kg 0 % FA 1
C22:5 docosapentaenoic acid 0 0 g/kg 0 % FA
C22:6 docosahexaenoic acid 0 0 g/kg 0 % FA
C24:0 lignoceric acid 0 0 g/kg 0 % FA
Fatty acids 3.6 4 % 85 % fat
Vitamins and pigments
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Vitamin D 0 0 1000 IU/kg -
Ruminants
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
UFL INRA 2018 1.06 1.17 per kg -
UFV INRA 2018 1.06 1.17 per kg -
PDIA INRA 2018 60 66 g/kg -
PDI INRA 2018 108 119 g/kg -
Rumen protein balance INRA 2018 -56 -62 g/kg -
Fill Unit ruminants INRA 2018 0.498 0.547 per kg -
ME ruminants INRA 2018 (kcal) 2820 3100 kcal/kg -
NE lactation ruminants INRA 2018 (kcal) 1870 2050 kcal/kg -
NE meat production ruminants INRA 2018 (kcal) 1860 2050 kcal/kg -
ME ruminants INRA 2018 (MJ) 11.2 12.4 MJ/kg -
NE lactation ruminants INRA 2018 (MJ) 7.4 8.1 MJ/kg -
NE meat production ruminants INRA 2018 (MJ) 7.2 8 MJ/kg -
OM digestibility ruminants INRA 2018 - 81.6 %
Energy digestibility ruminants INRA 2018 - 79.3 %
N degradability ruminants INRA 2018 - 31 %
Starch degradability ruminants INRA 2018 - 68 %
DM degradability ruminants INRA 2018 - 30 %
Lysine ruminants INRA 2018 - 6.2 % PDI
Threonine ruminants INRA 2018 - 4.9 % PDI
Methionine ruminants INRA 2018 - 2 % PDI
Isoleucine ruminants INRA 2018 - 4.3 % PDI
Valine ruminants INRA 2018 - 5.6 % PDI
Leucine ruminants INRA 2018 - 10.5 % PDI
Phenylalanine ruminants INRA 2018 - 4.4 % PDI
Histidine ruminants INRA 2018 - 2.9 % PDI
Arginine ruminants INRA 2018 - 5.7 % PDI
UFL FL1 INRA 2018 1.08 1.19 per kg -
UFV FL1 INRA 2018 1.09 1.19 per kg -
PDIA FL1 INRA 2018 60 66 g/kg -
PDI FL1 INRA 2018 110 121 g/kg -
Rumen protein balance FL1 INRA 2018 -59 -64 g/kg -
UFL FL4 INRA 2018 1.02 1.12 per kg -
UFV FL4 INRA 2018 1.01 1.11 per kg -
PDIA FL4 INRA 2018 60 66 g/kg -
PDI FL4 INRA 2018 106 117 g/kg -
Rumen protein balance FL4 INRA 2018 -53 -59 g/kg -
UFL INRA 2007 0.97 1.07 per kg -
UFL INRA 2007 1.03 1.13 per kg -
UFV INRA 2007 0.95 1.04 per kg -
UFV INRA 2007 1.01 1.11 per kg -
PDIA INRA 2007 64 71 g/kg -
PDIN INRA 2007 80 88 g/kg -
PDIE INRA 2007 110 121 g/kg -
ME ruminants INRA 2007 (kcal) 2790 3060 kcal/kg -
ME ruminants INRA 2007 (MJ) 11.7 12.8 MJ/kg -
ME ruminants INRA 2007 (MJ) 11.2 12.3 MJ/kg -
OM digestibility ruminants INRA 2007 - 83 % 1
Energy digestibility ruminants INRA 2007 - 80.6 %
N digestibility ruminants - 67.3 % 1
N digestibility, intestinal, ruminants - 85 %
NDF digestibility ruminants - 79 % 1
N degradability ruminants (k=0.06) - 33 %
Immediately degradable N (a) - 8 % 1
Potentially degradable N (b) - 92 % 1
Degradation rate of particles N (c) - 0.023 h-1 1
Starch degradability, ruminants (k=0.06) - 60 %
DM degradability ruminants (k=0.06) - 31 % 1
Immediately degradable DM (a) - 3 % 1
Potentially degradable DM (b) - 97 % 1
Degradation rate of particles DM (c) - 0.024 h-1 1
Fatty acids digestibility ruminants - 74 %
Absorbable P ruminants 2.2 2.4 g/kg 75 % P
Absorbable Ca ruminants 1.5 1.7 g/kg 55 % Ca
Lysine ruminants INRA 2007 - 6.3 % PDIE
Threonine ruminants INRA 2007 - 5 % PDIE
Methionine ruminants INRA 2007 - 1.8 % PDIE
Isoleucine ruminants INRA 2007 - 4.8 % PDIE
Valine ruminants INRA 2007 - 5.8 % PDIE
Leucine ruminants INRA 2007 - 10.2 % PDIE
Phenylalanine ruminants INRA 2007 - 4.2 % PDIE
Histidine ruminants INRA 2007 - 2.6 % PDIE
Arginine ruminants INRA 2007 - 5.6 % PDIE
VEM CVB 2018 1028 1131 per kg -
VEVI CVB 2018 1109 1220 per kg -
DVE CVB 1991 98 107 g/kg -
OEB CVB 1991 -45 -49 g/kg -
DVLYS CVB 1991 5.2 5.7 g/kg -
DVMET CVB 1991 1.9 2.1 g/kg -
TDN 1x ruminants NRC 2001 70.4 77.4 % -
DE 1x ruminants NRC 2001 3.09 3.4 Mcal/kg -
NE Lactation 3x ruminants NRC 2001 1.57 1.72 Mcal/kg -
NE Lactation 4x ruminants NRC 2001 1.48 1.62 Mcal/kg -
NE Maintenance 3x ruminants NRC 2001 1.69 1.85 Mcal/kg -
NE Gain 3x ruminants NRC 2001 1.11 1.22 Mcal/kg -
Rumen Undegradable Protein (diet 25% concentrate) NRC 2001 - 64 %
Rumen Undegradable Protein (diet 50% concentrate) NRC 2001 - 70 %
EN Lactation ruminants GfE 7.3 8 MJ/kg -
nxP ruminants GfE 156 172 g/kg -
RNB ruminants GfE -9 -9 g/kg -
Pigs
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE growing pig (kcal) 2680 2950 kcal/kg - 130 2620 -2980 5
ME growing pig (kcal) 2580 2840 kcal/kg - 2580 -2770 3
NE growing pig (kcal) 1920 2110 kcal/kg -
DE adult pig (kcal) 3140 3460 kcal/kg -
ME adult pig (kcal) 2980 3280 kcal/kg -
NE adult pig (kcal) 2200 2420 kcal/kg -
DE growing pig (MJ) 11.2 12.4 MJ/kg -
ME growing pig (MJ) 10.8 11.9 MJ/kg -
NE growing pig (MJ) 8 8.8 MJ/kg -
DE adult pig (MJ) 13.2 14.5 MJ/kg -
ME adult pig (MJ) 12.5 13.7 MJ/kg -
NE adult pig (MJ) 9.2 10.1 MJ/kg -
Energy digestibility growing pig - 64.6 % 1.9 62-67 5
Energy digestibility adult pig - 75.7 %
OM digestibility growing pig - 68.3 %
OM digestibility adult pig - 78.9 %
N digestibility growing pig - 59.8 %
N digestibility adult pig - 86.7 %
Crude fat digestibility pig - 50.3 %
Digestible P pig (no phytase) 0.6 0.6 g/kg 20 %
Digestible P pig (with phytase) 0.9 1 g/kg 30 %
Poultry
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
AMEn cockerel (kcal) 2240 2460 kcal/kg - 1 1
AMEn broiler (kcal) 2200 2420 kcal/kg - 1 1
AMEn cockerel (MJ) 9.4 10.3 MJ/kg - 1 1
AMEn broiler (MJ) 9.2 10.1 MJ/kg - 1 1
Available P cockerel 0.7 0.8 g/kg 25 % P
Available P broiler 0.7 0.8 g/kg 25 % P
Horses
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
OM digestibility horse - 72.8 %
Energy digestibility horse - 70.2 %
Horse Forage Unit 0.9 0.99 per kg -
Digestible crude protein horse 62 69 g/kg -
Rabbits
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE rabbit (kcal) 2970 3260 kcal/kg -
ME rabbit (kcal) 2890 3180 kcal/kg -
DE rabbit (MJ) 12.4 13.6 MJ/kg -
ME rabbit (MJ) 12.1 13.3 MJ/kg -
Energy digestibility rabbit - 71.4 %
N digestibility rabbit - 50.1 %
Fish
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE salmonids (kcal) 2180 2400 kcal/kg -
DE salmonids (MJ) 9.1 10 MJ/kg -
Energy digestibility, salmonids - 52.5 %
N digestibility salmonids - 80.5 %
Amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine 3.9 4.3 g/kg 3.8 g/16g N 0.8 3 -5.6 12 0.9 3.3 -6.2 12 0.8 3-5.3 9
Threonine 3.6 4 g/kg 3.5 g/16g N 0.5 3.3-4.6 7
Methionine 1.5 1.7 g/kg 1.5 g/16g N
Cystine 2.3 2.6 g/kg 2.3 g/16g N 0.4 1.8 -3.1 7 0.5 2 -3.4 7 0.4 1.8-2.9 6
Methionine + cystine 3.9 4.2 g/kg 3.8 g/16g N 0.7 3.5 -5.3 7 0.7 4 -5.9 7 0.6 3.5-5.1 6
Tryptophan 0.7 0.7 g/kg 0.6 g/16g N 0.5 -1.1 4 0.6 -1.2 4 0.5-0.9 4
Isoleucine 2.9 3.2 g/kg 2.8 g/16g N 0.5 2.7-4 7
Valine 4.8 5.2 g/kg 4.7 g/16g N 1.2 4.7 -7.9 7 1.3 5.2 -8.7 7 1.1 4.1-7.5 7
Leucine 10.4 11.4 g/kg 10.1 g/16g N 1.3 9 -13 7 1.4 10.1 -14.4 7 1.6 7.9-12.4 7
Phenylalanine 3 3.3 g/kg 2.9 g/16g N
Tyrosine 2.4 2.6 g/kg 2.3 g/16g N
Phenylalanine + tyrosine 5.4 5.9 g/kg 5.2 g/16g N
Histidine 3.2 3.5 g/kg 3.2 g/16g N 0.4 2.7 -4 7 0.5 3.1 -4.4 7 0.3 2.5-3.5 7
Arginine 7.2 7.9 g/kg 7 g/16g N 1.3 4 -7.7 7 1.4 4.4 -8.6 7
Alanine 6.3 6.9 g/kg 6.1 g/16g N 0.5 5.7-7.1 6
Aspartic acid 5.8 6.4 g/kg 5.6 g/16g N
Glutamic acid 14.1 15.5 g/kg 13.8 g/16g N 1.7 12.6-16.6 5
Glycine 4.9 5.3 g/kg 4.7 g/16g N 1.3 4 -7.6 6 1.5 4.4 -8.4 6 1.1 4.1-7.2 6
Serine 4.2 4.6 g/kg 4.1 g/16g N 0.7 3.7 -5.9 6 0.8 4.1 -6.5 6 0.5 3.6-4.8 6
Proline 5.3 5.9 g/kg 5.2 g/16g N
Pigs, amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine, ileal standardised, pig 0 0 g/kg 0 %
Threonine, ileal standardised, pig 1.7 1.9 g/kg 48 % 1
Methionine, ileal standardised, pig 1.1 1.2 g/kg 74 % 1
Cystine, ileal standardised, pig 1.5 1.6 g/kg 64 % 1
Methionine + cystine, ileal standardised, pig 2.6 2.9 g/kg 68 %
Tryptophan, ileal standardised, pig 0.5 0.5 g/kg 71 % 1
Isoleucine, ileal standardised, pig 1.7 1.9 g/kg 61 % 1
Valine, ileal standardised, pig 2.6 2.9 g/kg 55 % 1
Leucine, ileal standardised, pig 8 8.8 g/kg 78 % 1
Phenylalanine, ileal standardised, pig 2.1 2.3 g/kg 69 % 1
Tyrosine, ileal standardised, pig 1.6 1.7 g/kg 67 % 1
Phenylananine + tyrosine, ileal standardised, pig 3.6 4 g/kg 68 %
Histidine, ileal standardised, pig 2.4 2.6 g/kg 73 % 1
Arginine, ileal standardised, pig 5.1 5.6 g/kg 70 % 1
Alanine, ileal standardised, pig 3 3.3 g/kg 48 % 1
Aspartic acid, ileal standardised, pig 2.6 2.9 g/kg 45 % 1
Glutamic acid, ileal standardised, pig 10.4 11.4 g/kg 74 % 1
Glycine, ileal standardised, pig 3.1 3.4 g/kg 64 %
Serine, ileal standardised, pig 2.5 2.7 g/kg 59 % 1
Proline, ileal standardised, pig 3.9 4.3 g/kg 73 %
Poultry, amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine, ileal standardized, poultry 2.8 3 g/kg 71 %
Threonine, ileal standardized, poultry 2.5 2.7 g/kg 69 %
Methionine, ileal standardized, poultry 1.4 1.5 g/kg 88 %
Cystine, ileal standardized, poultry 1.8 1.9 g/kg 76 %
Methionine + cystine, ileal standardized, poultry 3.1 3.4 g/kg 81 %
Tryptophan, ileal standardized, poultry 0.5 0.6 g/kg 79 %
Isoleucine, ileal standardized, poultry 2.4 2.6 g/kg 83 %
Valine, ileal standardized, poultry 3.8 4.2 g/kg 80 %
Leucine, ileal standardized, poultry 8.8 9.7 g/kg 85 %
Phenylalanine, ileal standardized, poultry 2.5 2.7 g/kg 83 %
Tyrosine, ileal standardized, poultry 1.9 2 g/kg 79 %
Phenylalanine + tyrosine, ileal standardized, poultry 4.4 4.8 g/kg 81 %
Histidine, ileal standardized, poultry 2.5 2.8 g/kg 78 %
Arginine, ileal standardized, poultry 6 6.6 g/kg 83 %
Alanine, ileal standardized, poultry 5.4 5.9 g/kg 86 %
Aspartic acid, ileal standardized, poultry 4.3 4.8 g/kg 75 %
Glutamic acid, ileal standardized, poultry 11.6 12.7 g/kg 82 %
Glycine, ileal standardized, poultry 3.5 3.9 g/kg 72 %
Serine, ileal standardized, poultry 3.3 3.6 g/kg 78 %
Proline, ileal standardized, poultry 4.2 4.6 g/kg 79 %
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