Cottonseed hulls

Hulls of cotton seeds (Gossypium spp.), a byproduct of the dehulling step in cotton seed processing.

Values

Main constituents
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Dry matter 90.8 100 % - 2.3 86.2 -95.7 20 3.6
Crude protein 4.7 5.2 % - 2.1 3 -12 20 2.3 2.3 -13.9 41
Crude fibre 47.8 52.6 % - 9.9 25.9 -69.6 14 10.9 29.2 -72.7 26
Crude fat 2.8 3.1 % - 2 0.8 -7.6 15 2.2 0.6 -8.8 21
Ash 2.8 3.1 % - 1 2.4 -8 13 1.1 2.2 -8.9 34
Insoluble ash 0.2 0.2 % - 0.1 0.07 -0.4 4 0.1 0.07 -0.4 6
NDF 77 84.8 % - 5 69 -84.2 11 5.1 71.6 -91.6 19
ADF 59.4 65.3 % - 6.6 53.9 -68.4 11 7.1 46.4 -73.8 22
Lignin 16.4 18.1 % - 3 10.1 -40 9 3.3 11.5 -23.2 15
Water insoluble cell walls 85 93.5 % -
Starch 3.8 4.2 % - 1 1
Starch, enzymatic method 0 0 % -
Total sugars 0 0 % -
Gross energy (kcal) 4290 4730 kcal/kg -
Gross energy (MJ) 18 19.8 MJ/kg -
Mineral elements
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Calcium 1.3 1.4 g/kg - 0.7 0.9 -1.5 8 0.8 0.8 -4 23
Phosphorus 1.2 1.3 g/kg - 1.1 0.4 -1.6 9 1.2 0.5 -5.5 24
Phytate phosphorus 0.8 0.9 g/kg 70 % P 1
Magnesium 1.1 1.3 g/kg - 0.5 0.6 -2 17
Potassium 6.5 7.1 g/kg - 3 4.5 -12.4 15
Sodium 0.18 0.2 g/kg - 0.01 0 0.19 -0.2 10
Chlorine 0.3 0.3 g/kg - 0.05 0.05 0.3 -0.4 10
Sulfur 1.5 1.7 g/kg - 0.7 -2.3 2 0.8 -2.6 3
Dietary cation-anion difference 69 76 mEq/kg -
Electrolyte balance 164 181 mEq/kg -
Manganese 20 22 mg/kg - 4 4 19 -33 10
Zinc 3 4 mg/kg - 5 5 2 -20 11
Copper 62 69 mg/kg - 20 22 7 -95 11
Iron 156 172 mg/kg - 42 46 139 -308 11
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 0.02 0.03 g/kg 0.1 % FA
C14:0 myristic acid 0.2 0.2 g/kg 0.8 % FA 0.3 0.5-1.2 9
C16:0 palmitic acid 5.6 6.2 g/kg 22.7 % FA 0.8 21.7-24.2 14
C16:1 palmitoleic acid 0.1 0.1 g/kg 0.5 % FA 0.3 0.3-1 9
C18:0 stearic acid 0.5 0.5 g/kg 1.9 % FA 0.4 1.5-3 14
C18:1 oleic acid 4.1 4.5 g/kg 16.7 % FA 1.5 14.7-20.8 14
C18:2 linoleic acid 14.1 15.6 g/kg 57.3 % FA 3.6 46.1-60 14
C18:3 linolenic acid 0.2 0.2 g/kg 0.7 % FA 1.4 0.05-4.4 9
C18:4 stearidonic acid 0 0 g/kg 0 % FA
C20:0 arachidic acid 0.07 0.08 g/kg 0.3 % FA
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 0.05 0.05 g/kg 0.2 % FA
C22:1 erucic acid 0 0 g/kg 0 % FA
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 2.5 2.7 % 88 % fat 2 86-90 10
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 0.45 0.49 per kg -
UFV INRA 2018 0.34 0.37 per kg -
PDIA INRA 2018 20 22 g/kg -
PDI INRA 2018 57 63 g/kg -
Rumen protein balance INRA 2018 -60 -66 g/kg -
Fill Unit ruminants INRA 2018 0.582 0.64 per kg -
ME ruminants INRA 2018 (kcal) 1380 1520 kcal/kg -
NE lactation ruminants INRA 2018 (kcal) 790 870 kcal/kg -
NE meat production ruminants INRA 2018 (kcal) 590 650 kcal/kg -
ME ruminants INRA 2018 (MJ) 6.7 7.4 MJ/kg -
NE lactation ruminants INRA 2018 (MJ) 3.9 4.3 MJ/kg -
NE meat production ruminants INRA 2018 (MJ) 3.1 3.4 MJ/kg -
OM digestibility ruminants INRA 2018 - 40.4 %
Energy digestibility ruminants INRA 2018 - 38.6 %
N degradability ruminants INRA 2018 - 22 %
Starch degradability ruminants INRA 2018 - 82 %
DM degradability ruminants INRA 2018 - 23 %
Lysine ruminants INRA 2018 - 7 % PDI
Threonine ruminants INRA 2018 - 5.1 % PDI
Methionine ruminants INRA 2018 - 2.1 % PDI
Isoleucine ruminants INRA 2018 - 4.9 % PDI
Valine ruminants INRA 2018 - 5.4 % PDI
Leucine ruminants INRA 2018 - 7.9 % PDI
Phenylalanine ruminants INRA 2018 - 5.3 % PDI
Histidine ruminants INRA 2018 - 2.6 % PDI
Arginine ruminants INRA 2018 - 5.9 % PDI
UFL FL1 INRA 2018 0.47 0.52 per kg -
UFV FL1 INRA 2018 0.36 0.4 per kg -
PDIA FL1 INRA 2018 19 21 g/kg -
PDI FL1 INRA 2018 57 63 g/kg -
Rumen protein balance FL1 INRA 2018 -60 -66 g/kg -
UFL FL4 INRA 2018 0.4 0.45 per kg -
UFV FL4 INRA 2018 0.29 0.32 per kg -
PDIA FL4 INRA 2018 22 25 g/kg -
PDI FL4 INRA 2018 59 65 g/kg -
Rumen protein balance FL4 INRA 2018 -63 -70 g/kg -
UFL INRA 2007 0.44 0.48 per kg -
UFV INRA 2007 0.33 0.36 per kg -
PDIA INRA 2007 24 26 g/kg -
PDIN INRA 2007 26 29 g/kg -
PDIE INRA 2007 52 57 g/kg -
ME ruminants INRA 2007 (kcal) 1370 1510 kcal/kg -
ME ruminants INRA 2007 (MJ) 5.7 6.3 MJ/kg -
OM digestibility ruminants INRA 2007 - 41.8 % 36.9-50.9 3
Energy digestibility ruminants INRA 2007 - 40 % 1
N digestibility ruminants - 14 % -30.9-36.4 4
N digestibility, intestinal, ruminants - 55 %
NDF digestibility ruminants - 64 %
N degradability ruminants (k=0.06) - 16 % 13-20 2
Immediately degradable N (a) - 3 % 3-3 2
Potentially degradable N (b) - 41 % 37-44 2
Degradation rate of particles N (c) - 0.03 h-1 0.021-0.038 2
Starch degradability, ruminants (k=0.06) - 80 %
DM degradability ruminants (k=0.06) - 21 % 11-37 4
Immediately degradable DM (a) - 5 % 3-25 4
Potentially degradable DM (b) - 86 % 51-95 4
Degradation rate of particles DM (c) - 0.014 h-1 0.005-0.014 4
Fatty acids digestibility ruminants - 71.5 %
Absorbable P ruminants 0.8 0.9 g/kg 65 % P
Absorbable Ca ruminants 0.7 0.8 g/kg 55 % Ca
Lysine ruminants INRA 2007 - 6.8 % PDIE
Threonine ruminants INRA 2007 - 5 % PDIE
Methionine ruminants INRA 2007 - 1.9 % PDIE
Isoleucine ruminants INRA 2007 - 5 % PDIE
Valine ruminants INRA 2007 - 5.4 % PDIE
Leucine ruminants INRA 2007 - 7.8 % PDIE
Phenylalanine ruminants INRA 2007 - 5.3 % PDIE
Histidine ruminants INRA 2007 - 2.5 % PDIE
Arginine ruminants INRA 2007 - 6 % PDIE
VEM CVB 2018 438 482 per kg -
VEVI CVB 2018 356 392 per kg -
DVE CVB 1991 13 15 g/kg -
OEB CVB 1991 -41 -45 g/kg -
DVLYS CVB 1991 3.7 4.1 g/kg -
DVMET CVB 1991 1.5 1.7 g/kg -
TDN 1x ruminants NRC 2001 36.7 40.4 % -
DE 1x ruminants NRC 2001 1.6 1.76 Mcal/kg -
NE Lactation 3x ruminants NRC 2001 0.58 0.64 Mcal/kg -
NE Lactation 4x ruminants NRC 2001 0.54 0.59 Mcal/kg -
NE Maintenance 3x ruminants NRC 2001 0.55 0.6 Mcal/kg -
NE Gain 3x ruminants NRC 2001 0.07 0.07 Mcal/kg -
Rumen Undegradable Protein (diet 25% concentrate) NRC 2001 - 82 %
Rumen Undegradable Protein (diet 50% concentrate) NRC 2001 - 85 %
EN Lactation ruminants GfE 3.1 3.4 MJ/kg -
nxP ruminants GfE 76 84 g/kg -
RNB ruminants GfE -5 -5 g/kg -
Pigs
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE growing pig (kcal) 1070 1180 kcal/kg -
ME growing pig (kcal) 990 1090 kcal/kg -
NE growing pig (kcal) 460 500 kcal/kg -
DE adult pig (kcal) 1580 1740 kcal/kg -
ME adult pig (kcal) 1420 1560 kcal/kg -
NE adult pig (kcal) 700 770 kcal/kg -
DE growing pig (MJ) 4.5 4.9 MJ/kg -
ME growing pig (MJ) 4.1 4.6 MJ/kg -
NE growing pig (MJ) 1.9 2.1 MJ/kg -
DE adult pig (MJ) 6.6 7.3 MJ/kg -
ME adult pig (MJ) 5.9 6.5 MJ/kg -
NE adult pig (MJ) 2.9 3.2 MJ/kg -
Energy digestibility growing pig - 25 %
Energy digestibility adult pig - 36.9 %
OM digestibility growing pig - 30.9 %
OM digestibility adult pig - 42.4 %
N digestibility growing pig - 13.3 %
N digestibility adult pig - 78.1 %
Crude fat digestibility pig - 4.5 %
Digestible P pig (no phytase) 0.4 0.4 g/kg 30 %
Digestible P pig (with phytase) 0.5 0.6 g/kg 45 %
Poultry
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
AMEn cockerel (kcal) 590 650 kcal/kg -
AMEn broiler (kcal) 560 620 kcal/kg -
AMEn cockerel (MJ) 2.5 2.7 MJ/kg -
AMEn broiler (MJ) 2.4 2.6 MJ/kg -
Available P cockerel 0.3 0.3 g/kg 25 % P
Available P broiler 0.3 0.3 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 - 43.6 %
Energy digestibility horse - 42.5 %
Horse Forage Unit 0.31 0.34 per kg -
Digestible crude protein horse 0 0 g/kg -
Rabbits
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE rabbit (kcal) 810 900 kcal/kg -
ME rabbit (kcal) 780 860 kcal/kg -
DE rabbit (MJ) 3.4 3.8 MJ/kg -
ME rabbit (MJ) 3.3 3.6 MJ/kg -
Energy digestibility rabbit - 19 %
N digestibility rabbit - 56.8 %
Fish
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
DE salmonids (kcal) 2090 2310 kcal/kg -
DE salmonids (MJ) 8.8 9.6 MJ/kg -
Energy digestibility, salmonids - 48.8 %
N digestibility salmonids - 70.1 %
Amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine 2.2 2.4 g/kg 4.7 g/16g N 1 1 1
Threonine 1.8 1.9 g/kg 3.8 g/16g N 1 1 1
Methionine 0.8 0.9 g/kg 1.8 g/16g N
Cystine 0.7 0.7 g/kg 1.4 g/16g N
Methionine + cystine 1.5 1.6 g/kg 3.2 g/16g N
Tryptophan 0.6 0.7 g/kg 1.3 g/16g N
Isoleucine 1.6 1.7 g/kg 3.4 g/16g N 1 1 1
Valine 1.9 2.1 g/kg 4 g/16g N 1 1 1
Leucine 2.8 3.1 g/kg 6 g/16g N 1 1 1
Phenylalanine 2.5 2.8 g/kg 5.3 g/16g N 1 1 1
Tyrosine 1.5 1.6 g/kg 3.2 g/16g N 1 1 1
Phenylalanine + tyrosine 4 4.4 g/kg 8.5 g/16g N 1 1 1
Histidine 1.8 1.9 g/kg 3.7 g/16g N 1 1 1
Arginine 5.2 5.7 g/kg 11 g/16g N 1 1 1
Alanine 1.8 2 g/kg 3.9 g/16g N 1 1 1
Aspartic acid 4.6 5 g/kg 9.7 g/16g N 1 1 1
Glutamic acid 8.8 9.6 g/kg 18.7 g/16g N 1 1 1
Glycine 2.1 2.3 g/kg 4.4 g/16g N 1 1 1
Serine 2.2 2.4 g/kg 4.7 g/16g N 1 1 1
Proline 2.1 2.3 g/kg 4.5 g/16g N 1 1 1
Pigs, amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine, ileal standardised, pig 0.9 1 g/kg 40 %
Threonine, ileal standardised, pig 0.8 0.9 g/kg 45 %
Methionine, ileal standardised, pig 0.5 0.6 g/kg 65 %
Cystine, ileal standardised, pig 0.2 0.3 g/kg 36 %
Methionine + cystine, ileal standardised, pig 0.8 0.9 g/kg 52 %
Tryptophan, ileal standardised, pig 0.3 0.3 g/kg 47 %
Isoleucine, ileal standardised, pig 0.9 1 g/kg 59 %
Valine, ileal standardised, pig 1 1.1 g/kg 54 %
Leucine, ileal standardised, pig 1.7 1.9 g/kg 60 %
Phenylalanine, ileal standardised, pig 1.6 1.8 g/kg 65 %
Tyrosine, ileal standardised, pig 0.9 1 g/kg 59 %
Phenylananine + tyrosine, ileal standardised, pig 2.5 2.8 g/kg 63 %
Histidine, ileal standardised, pig 1 1.1 g/kg 56 %
Arginine, ileal standardised, pig 3.8 4.1 g/kg 73 %
Alanine, ileal standardised, pig 0.9 1 g/kg 49 %
Aspartic acid, ileal standardised, pig 2.6 2.8 g/kg 56 %
Glutamic acid, ileal standardised, pig 6 6.6 g/kg 68 %
Glycine, ileal standardised, pig 0.7 0.7 g/kg 32 %
Serine, ileal standardised, pig 1.1 1.2 g/kg 52 %
Proline, ileal standardised, pig 1.1 1.2 g/kg 52 %
Poultry, amino acids
Parameter As fed On DM Unit Other Unit SD Range Count SD Range Count SD Range Count
Lysine, ileal standardized, poultry 1.2 1.4 g/kg 56 %
Threonine, ileal standardized, poultry 0.9 1 g/kg 52 %
Methionine, ileal standardized, poultry 0.6 0.6 g/kg 67 %
Cystine, ileal standardized, poultry 0.4 0.4 g/kg 56 %
Methionine + cystine, ileal standardized, poultry 0.9 1 g/kg 62 %
Tryptophan, ileal standardized, poultry 0.4 0.4 g/kg 58 %
Isoleucine, ileal standardized, poultry 1 1.1 g/kg 63 %
Valine, ileal standardized, poultry 1.1 1.2 g/kg 59 %
Leucine, ileal standardized, poultry 1.7 1.8 g/kg 60 %
Phenylalanine, ileal standardized, poultry 1.6 1.7 g/kg 63 %
Tyrosine, ileal standardized, poultry 0.8 0.9 g/kg 53 %
Phenylalanine + tyrosine, ileal standardized, poultry 2.4 2.6 g/kg 59 %
Histidine, ileal standardized, poultry 1 1.1 g/kg 58 %
Arginine, ileal standardized, poultry 3.3 3.6 g/kg 63 %
Alanine, ileal standardized, poultry 1.1 1.2 g/kg 59 %
Aspartic acid, ileal standardized, poultry 2.6 2.9 g/kg 57 %
Glutamic acid, ileal standardized, poultry 5.6 6.1 g/kg 63 %
Glycine, ileal standardized, poultry 1.1 1.2 g/kg 52 %
Serine, ileal standardized, poultry 1.3 1.4 g/kg 59 %
Proline, ileal standardized, poultry 1.3 1.4 g/kg 61 %
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