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 % - 5.2 84.5 -98.1 127 4.7
Crude protein 10.3 11.3 % - 1.7 5.3 -15.9 129 1.9 6 -18 130
Crude fibre 7.5 8.2 % - 3.4 4.1 -18 121 3.8 4.3 -20.2 119
Crude fat 4.1 4.5 % - 2.2 1.2 -12.1 412 2.4 1.3 -13.7 403
Ash 4.1 4.5 % - 1.6 1.4 -10.3 120 1.8 1.6 -11.5 120
Insoluble ash 1.5 1.7 % - 2.5 0.01 -8 19 2.8 0.01 -8.9 19
NDF 34.4 37.8 % - 11.2 18.3 -61 43 12.2 19 -67.8 46
ADF 9.3 10.2 % - 4.1 4.9 -19.6 40 4.5 5.4 -22 43
Lignin 1.5 1.7 % - 0.9 0.6 -4.3 44 1 0.7 -4.8 45
Water insoluble cell walls 36.7 40.3 % -
Starch 35.6 39.1 % - 8.9 14.7 -63.6 115 9.8 16.2 -72.8 113
Total sugars 2.6 2.8 % - 0.9 0.7 -5 314 1 0.7 -5.5 315
Gross energy (kcal) 4140 4560 kcal/kg - 380 3670 -4840 20 390 4130 -5680 21
Gross energy (MJ) 17.3 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 2.9 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
C14:0 myristic acid 0.04 0.05 g/kg 0.1 % FA
C16:0 palmitic acid 3.7 4.1 g/kg 10.5 % FA
C16:1 palmitoleic acid 0.1 0.2 g/kg 0.4 % FA
C18:0 stearic acid 0.6 0.7 g/kg 1.8 % FA
C18:1 oleic acid 9.1 10.1 g/kg 26.1 % FA
C18:2 linoleic acid 20.8 22.9 g/kg 59.5 % FA
C18:3 linolenic acid 0.5 0.5 g/kg 1.3 % FA
Fatty acids 3.5 3.9 g/kg 85 % fat
Ruminants
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
UFL INRA 2018 1 1.1 per kg -
UFV INRA 2018 0.98 1.08 per kg -
PDIA Systali 47 51 g/kg -
PDI INRA 2018 94 103 g/kg -
Rumen protein balance INRA 2018 -38 -42 g/kg -
Fill Unit ruminants INRA 2018 0.322 0.354 per kg -
ME ruminants INRA 2018 (kcal) 2690 2950 kcal/kg -
NE lactation ruminants INRA 2018 (kcal) 1760 1930 kcal/kg -
NE meat production ruminants INRA 2018 (kcal) 1730 1900 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 - 78.2 %
Energy digestibility ruminants INRA 2018 - 75.9 %
N degradability ruminants INRA 2018 - 47 %
Starch degradability ruminants INRA 2018 - 68 %
DM degradability ruminants INRA 2018 - 53 %
Lysine ruminants INRA 2018 - 6.4 % PDI
Threonine ruminants INRA 2018 - 5 % PDI
Methionine ruminants INRA 2018 - 2 % PDI
Isoleucine ruminants INRA 2018 - 4.4 % PDI
Valine ruminants INRA 2018 - 5.7 % PDI
Leucine ruminants INRA 2018 - 10.2 % PDI
Phenylalanine ruminants INRA 2018 - 4.5 % PDI
Histidine ruminants INRA 2018 - 2.8 % PDI
Arginine ruminants INRA 2018 - 5.6 % PDI
UFL FL1 INRA 2018 1.02 1.12 per kg -
UFV FL1 INRA 2018 1.01 1.11 per kg -
PDIA FL1 INRA 2018 43 47 g/kg -
PDI FL1 INRA 2018 92 101 g/kg -
Rumen protein balance FL1 INRA 2018 -37 -40 g/kg -
UFL FL4 INRA 2018 0.96 1.05 per kg -
UFV FL4 INRA 2018 0.93 1.03 per kg -
PDIA FL4 INRA 2018 53 58 g/kg -
PDI FL4 INRA 2018 98 108 g/kg -
Rumen protein balance FL4 INRA 2018 -43 -47 g/kg -
UFL INRA 2007 0.97 1.07 per kg -
UFV INRA 2007 0.95 1.04 per kg -
PDIA INRA 2007 54 60 g/kg -
PDIN INRA 2007 77 84 g/kg -
PDIE INRA 2007 99 108 g/kg -
ME ruminants INRA 2007 (kcal) 2660 2930 kcal/kg -
ME ruminants INRA 2007 (MJ) 11.2 12.3 MJ/kg -
OM digestibility ruminants INRA 2007 - 79.6 %
Energy digestibility ruminants INRA 2007 - 77.3 %
N digestibility ruminants - 64.5 %
N digestibility, intestinal, ruminants - 85 %
NDF digestibility ruminants - 79 %
N degradability ruminants (k=0.06) - 44 %
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) - 55 % 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 - 73.8 %
Absorbable P ruminants 2.2 2.4 g/kg 75 % P
Absorbable Ca ruminants 1.5 1.6 g/kg 55 % Ca
Lysine ruminants INRA 2007 - 6.4 % 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 - 10.1 % PDIE
Phenylalanine ruminants INRA 2007 - 4.3 % PDIE
Histidine ruminants INRA 2007 - 2.6 % PDIE
Arginine ruminants INRA 2007 - 5.5 % PDIE
Pigs
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE growing pig (kcal) 2710 2980 kcal/kg - 130 2620 -2980 5
ME growing pig (kcal) 2610 2870 kcal/kg - 2580 -2770 3
NE growing pig (kcal) 1940 2130 kcal/kg -
DE adult pig (kcal) 3160 3480 kcal/kg -
ME adult pig (kcal) 3000 3300 kcal/kg -
NE adult pig (kcal) 2210 2430 kcal/kg -
DE growing pig (MJ) 11.3 12.5 MJ/kg - 0.5 11 -12.5 5
ME growing pig (MJ) 10.9 12 MJ/kg - 10.8 -11.6 3
NE growing pig (MJ) 8.1 8.9 MJ/kg -
DE adult pig (MJ) 13.2 14.5 MJ/kg -
ME adult pig (MJ) 12.5 13.8 MJ/kg -
NE adult pig (MJ) 9.3 10.2 MJ/kg -
Energy digestibility growing pig - 65.4 % 1.9 62-67 5
Energy digestibility adult pig - 76.2 %
OM digestibility growing pig - 69 %
OM digestibility adult pig - 79 %
N digestibility growing pig - 61.1 %
N digestibility adult pig - 87.2 %
Crude fat digestibility pig - 49.9 %
Digestible P pig (no phytase) 0.6 0.6 g/kg 20 %
Poultry
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
AMEn cockerel (kcal) 2270 2490 kcal/kg - 1 1
AMEn broiler (kcal) 2220 2450 kcal/kg - 1 1
AMEn cockerel (MJ) 9.5 10.4 MJ/kg - 1 1
AMEn broiler (MJ) 9.3 10.2 MJ/kg - 1 1
Horses
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
OM digestibility horse - 73 %
Energy digestibility horse - 70.7 %
Horse Forage Unit 0.91 1 per kg -
Digestible crude protein horse 64 70 g/kg -
Rabbits
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE rabbit (kcal) 2980 3280 kcal/kg -
ME rabbit (kcal) 2900 3190 kcal/kg -
DE rabbit (MJ) 12.5 13.7 MJ/kg -
ME rabbit (MJ) 12.2 13.4 MJ/kg -
Energy digestibility rabbit - 71.9 %
N digestibility rabbit - 51.5 %
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 0.7 3.6 -5.5 7 0.5 3.3-4.6 7
Methionine 1.6 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 4.3 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 5.3 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 3 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 3.6 g/kg 3.1 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 5.7 g/16g N
Glutamic acid 14.2 15.6 g/kg 13.8 g/16g N 1.7 12.6-16.6 5
Glycine 4.9 5.4 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 5.4 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
Threonine, ileal standardised, pig 1.7 1.9 g/kg 48 % 1
Methionine, ileal standardised, pig 1.1 1.3 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 3.7 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 11.5 g/kg 74 % 1
Serine, ileal standardised, pig 2.5 2.7 g/kg 59 % 1
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 3.5 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 2.8 g/kg 83 %
Tyrosine, ileal standardized, poultry 1.9 2.1 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 4.4 4.8 g/kg 75 %
Glutamic acid, ileal standardized, poultry 11.6 12.8 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 4.7 g/kg 79 %
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