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Potato (Solanum tuberosum) by-products
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French fries (with oil)

Essential Nutritional Indicators (Avg)

38.5

Dry matter

% as fed
5.6

Crude protein

% DM
1.3

ADF

% DM
4.5

NDF

% DM

Minerals

1.9

Ash

% DM

Steamed potato peels (liquid potato feed)

Essential Nutritional Indicators (Avg)

17

Dry matter

% as fed
12.8

Crude protein

% DM
5.9

ADF

% DM
11

NDF

% DM

Minerals

7.1

Ash

% DM
1.9

Calcium

g/kg DM
2.3

Phosphorus

g/kg DM

Potato peels, fresh

Essential Nutritional Indicators (Avg)

20.1

Dry matter

% as fed
10

Crude protein

% DM
13.2

ADF

% DM
19.4

NDF

% DM

Minerals

5.5

Ash

% DM
0.8

Calcium

g/kg DM
2.6

Phosphorus

g/kg DM

Potato pulp, dehydrated

Essential Nutritional Indicators (Avg)

86.9

Dry matter

% as fed
5.4

Crude protein

% DM
20.9

ADF

% DM
28.4

NDF

% DM

Minerals

3.5

Ash

% DM
4

Calcium

g/kg DM
1.4

Phosphorus

g/kg DM

French fries (with oil)

Average nutritional values

Dry matter
38.5 %
Crude protein
5.6 %
Crude fibre
0.5 %
NDF
4.5 %
ADF
1.3 %
Lignin
0.3 %
Ether extract
20.1 %
Ash
1.9 %
Gross energy
21.3 %
Starch (enzymatic)
58.4 %
Starch (polarimetry)
61 %
Ether extract (hydrolysis)
22 %
Total sugars
1.3 %
Alanine
2.1 %
Arginine
1.9 %
Aspartic acid
19.1 %
Cystine
1.3 %
Glutamic acid
19.3 %
Glycine
1.3 %
Histidine
1 %
Isoleucine
0.7 %
Leucine
0.3 %
Lysine
1.5 %
Methionine
0.6 %
Methionine+cystine
1.9 %
Phenylalanine
1.1 %
Phenylalanine+tyrosine
3.6 %
Proline
0.8 %
Serine
1.8 %
Threonine
1.5 %
Tryptophan
0.4 %
Tyrosine
2.5 %
Valine
2.8 %
OM digestibility, ruminants
92.8 %
Energy digestibility, ruminants
92.1 %
ME ruminants
16.7 %
Nitrogen digestibility, ruminants
61.9 %
Energy digestibility, growing pig
91 %
DE growing pig
19.4 %
MEn growing pig
19 %
NE growing pig
15.8 %
Nitrogen digestibility, growing pig
84.7 %
DE rabbit
18.4 %
MEn rabbit
18.1 %
Energy digestibility, rabbit
86.3 %
Nitrogen digestibility, rabbit
65 %
AMEn cockerel
18.3 %
AMEn broiler
17.4 %

Steamed potato peels (liquid potato feed)

Average nutritional values

Dry matter
17 %
Crude protein
12.8 %
Crude fibre
4.7 %
NDF
11 %
ADF
5.9 %
Lignin
1.6 %
Ether extract
1.3 %
Ash
7.1 %
Insoluble ash
2.4 %
Gross energy
16.8 %
Starch (enzymatic)
43.5 %
Starch (polarimetry)
45.5 %
Total sugars
2.1 %
Calcium
1.9 %
Phosphorus
2.3 %
Potassium
35.1 %
Sodium
0.3 %
Chlorine
2.5 %
Magnesium
1.6 %
Sulfur
0.2 %
Manganese
28 %
Zinc
40 %
Copper
12 %
Iron
955 %
Alanine
3.8 %
Arginine
3.8 %
Aspartic acid
15.1 %
Cystine
1.3 %
Glutamic acid
14.1 %
Glycine
3.4 %
Histidine
1.7 %
Isoleucine
3.6 %
Leucine
6.1 %
Lysine
5.2 %
Methionine
1.5 %
Methionine+cystine
2.9 %
Phenylalanine
4.2 %
Phenylalanine+tyrosine
8.4 %
Proline
3.3 %
Serine
3.9 %
Threonine
4 %
Tryptophan
1 %
Tyrosine
4.2 %
Valine
5.1 %
OM digestibility, ruminants
85.5 %
Energy digestibility, ruminants
81.6 %
ME ruminants
11.4 %
Nitrogen digestibility, ruminants
69.8 %
Nitrogen degradability (effective, k=6%)
65 %
Nitrogen degradability (effective, k=4%)
70 %
DM degradability (effective, k=6%)
64 %
DM degradability (effective, k=4%)
72 %
a (DM)
6 %
a (N)
6 %
b (DM)
90 %
b (N)
80 %
c (DM)
0.11 %
c (N)
0.165 %
Energy digestibility, growing pig
89.8 %
DE growing pig
15.1 %
MEn growing pig
14.5 %
NE growing pig
10.5 %
Nitrogen digestibility, growing pig
73.7 %
DE rabbit
13.6 %
MEn rabbit
13.2 %
Energy digestibility, rabbit
81 %
Nitrogen digestibility, rabbit
62.9 %
Myristic acid C14:0
0.3 %
Palmitic acid C16:0
18 %
Palmitoleic acid C16:1
1.2 %
Stearic acid C18:0
5.3 %
Oleic acid C18:1
1.9 %
Linoleic acid C18:2
55.5 %
Linolenic acid C18:3
17.4 %
AMEn cockerel
10.5 %
AMEn broiler
10.4 %

Potato peels, fresh

Average nutritional values

Dry matter
20.1 %
Crude protein
10 %
Crude fibre
11.4 %
NDF
19.4 %
ADF
13.2 %
Lignin
3.7 %
Ether extract
0.7 %
Ash
5.5 %
Insoluble ash
0.8 %
Gross energy
17.1 %
Calcium
0.8 %
Phosphorus
2.6 %
Potassium
27.9 %
Sodium
0.3 %
Magnesium
1.3 %
Manganese
34 %
Zinc
57 %
Copper
12 %
Iron
258 %
Alanine
3.4 %
Arginine
3.4 %
Aspartic acid
16 %
Cystine
1.3 %
Glutamic acid
15.2 %
Glycine
2.9 %
Histidine
1.5 %
Isoleucine
3 %
Leucine
4.8 %
Lysine
4.4 %
Methionine
1.3 %
Methionine+cystine
2.7 %
Phenylalanine
3.5 %
Phenylalanine+tyrosine
7.3 %
Proline
2.7 %
Serine
3.4 %
Threonine
3.4 %
Tryptophan
0.8 %
Tyrosine
3.8 %
Valine
4.6 %
OM digestibility, ruminants
76.1 %
Energy digestibility, ruminants
72.3 %
ME ruminants
10.3 %
Nitrogen digestibility, ruminants
60.3 %
Energy digestibility, growing pig
85.6 %
DE growing pig
14.6 %
Nitrogen digestibility, growing pig
66.1 %
DE rabbit
12.5 %
MEn rabbit
12.1 %
Energy digestibility, rabbit
72.9 %
Nitrogen digestibility, rabbit
62.6 %
Myristic acid C14:0
0.3 %
Palmitic acid C16:0
18 %
Palmitoleic acid C16:1
1.2 %
Stearic acid C18:0
5.3 %
Oleic acid C18:1
1.9 %
Linoleic acid C18:2
55.5 %
Linolenic acid C18:3
17.4 %

Potato pulp, dehydrated

Average nutritional values

Dry matter
86.9 %
Crude protein
5.4 %
Crude fibre
18.6 %
NDF
28.4 %
ADF
20.9 %
Lignin
5.9 %
Ether extract
0.4 %
Ash
3.5 %
Insoluble ash
0.09 %
Gross energy
17.6 %
Starch (enzymatic)
33.9 %
Starch (polarimetry)
44.3 %
Total sugars
1.8 %
Calcium
4 %
Phosphorus
1.4 %
Potassium
8.6 %
Sodium
1.5 %
Chlorine
0.6 %
Magnesium
1.6 %
Sulfur
1.2 %
Manganese
50 %
Zinc
46 %
Copper
8 %
Iron
791 %
Alanine
2 %
Arginine
1.8 %
Aspartic acid
19.5 %
Cystine
1.3 %
Glutamic acid
19.8 %
Glycine
1.1 %
Histidine
1 %
Isoleucine
0.5 %
Leucine
4.3 %
Lysine
1.2 %
Methionine
0.5 %
Methionine+cystine
1.8 %
Phenylalanine
0.9 %
Phenylalanine+tyrosine
3.2 %
Proline
0.6 %
Serine
1.6 %
Threonine
1.3 %
Tryptophan
0.3 %
Tyrosine
2.3 %
Valine
2.7 %
OM digestibility, ruminants
65.9 %
Energy digestibility, ruminants
62.4 %
ME ruminants
9.2 %
Nitrogen digestibility, ruminants
28.4 %
Nitrogen degradability (effective, k=6%)
65 %
DM degradability (effective, k=6%)
65 %
Energy digestibility, growing pig
72.7 %
DE growing pig
12.8 %
MEn growing pig
12.4 %
NE growing pig
8.9 %
Nitrogen digestibility, growing pig
57.2 %
DE rabbit
11.3 %
MEn rabbit
11.1 %
Energy digestibility, rabbit
64.1 %
Nitrogen digestibility, rabbit
61.2 %
Myristic acid C14:0
0.3 %
Palmitic acid C16:0
18 %
Palmitoleic acid C16:1
1.2 %
Stearic acid C18:0
5.3 %
Oleic acid C18:1
1.9 %
Linoleic acid C18:2
55.5 %
Linolenic acid C18:3
17.4 %
AMEn cockerel
8.8 %
AMEn broiler
8.8 %