Food and Agriculture Organization of the United NationsFeedipedia

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Sweet potato (Ipomoea batatas) tubers
Feed 2
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Sweet potato tubers, cooked, fresh

Essential Nutritional Indicators (Avg)

39.2

Dry matter

% as fed
5.1

Crude protein

% DM

Sweet potato tubers, dehydrated

Essential Nutritional Indicators (Avg)

88

Dry matter

% as fed
4.6

Crude protein

% DM
4.8

ADF

% DM
10.4

NDF

% DM

Minerals

3.1

Ash

% DM
1.7

Calcium

g/kg DM
1.6

Phosphorus

g/kg DM

Sweet potato tubers, fresh

Essential Nutritional Indicators (Avg)

30

Dry matter

% as fed
5.5

Crude protein

% DM
5.2

ADF

% DM
11.3

NDF

% DM

Minerals

3.6

Ash

% DM
1.2

Calcium

g/kg DM
1.5

Phosphorus

g/kg DM

Sweet potato tubers, cooked, fresh

Average nutritional values

Dry matter
39.2 %
Crude protein
5.1 %
Gross energy
15.6 %
Energy digestibility, growing pig
93 %
DE growing pig
14.5 %
Nitrogen digestibility, growing pig
52.8 %

Sweet potato tubers, dehydrated

Average nutritional values

Dry matter
88 %
Crude protein
4.6 %
Crude fibre
2.8 %
NDF
10.4 %
ADF
4.8 %
Lignin
0.7 %
Ether extract
1.3 %
Ash
3.1 %
Gross energy
17.4 %
Starch (polarimetry)
73.5 %
Total sugars
7 %
Calcium
1.7 %
Phosphorus
1.6 %
Potassium
9.8 %
Sodium
1.9 %
Magnesium
0.9 %
Manganese
9 %
Zinc
43 %
Copper
7 %
Iron
36 %
Alanine
5.2 %
Arginine
3.6 %
Aspartic acid
18.8 %
Cystine
1.5 %
Glutamic acid
12.2 %
Glycine
4.7 %
Histidine
3.4 %
Isoleucine
4.1 %
Leucine
5.4 %
Lysine
3.6 %
Methionine
1.2 %
Phenylalanine
5.9 %
Proline
5.6 %
Serine
5.8 %
Threonine
5.4 %
Tyrosine
3.8 %
Valine
5.3 %
OM digestibility, ruminants
86.1 %
Energy digestibility, ruminants
82.3 %
ME ruminants
12.2 %
Nitrogen digestibility, ruminants
46.8 %
Nitrogen degradability (effective, k=6%)
88 %
Nitrogen degradability (effective, k=4%)
91 %
a (N)
48.5 %
b (N)
50.1 %
c (N)
0.213 %
DE ruminants
14.3 %
Energy digestibility, growing pig
89.4 %
DE growing pig
15.6 %
MEn growing pig
15.3 %
NE growing pig
12.1 %
Nitrogen digestibility, growing pig
52.1 %
AMEn cockerel
14.5 %
AMEn broiler
15.9 %

Sweet potato tubers, fresh

Average nutritional values

Dry matter
30 %
Crude protein
5.5 %
Crude fibre
3.8 %
NDF
11.3 %
ADF
5.2 %
Lignin
1.1 %
Ether extract
1.1 %
Ash
3.6 %
Gross energy
17.4 %
Starch (polarimetry)
69.3 %
Total sugars
9.1 %
Calcium
1.2 %
Phosphorus
1.5 %
Potassium
12.2 %
Sodium
0.2 %
Magnesium
0.9 %
Manganese
51 %
Zinc
43 %
Copper
7 %
Iron
1342 %
Cystine
2.7 %
Leucine
5.3 %
Lysine
4 %
Methionine
0.7 %
Threonine
4.7 %
OM digestibility, ruminants
85.1 %
Energy digestibility, ruminants
81.3 %
ME ruminants
12 %
Nitrogen digestibility, ruminants
37.5 %
DE ruminants
14.1 %
Energy digestibility, growing pig
84.1 %
DE growing pig
14.6 %
MEn growing pig
14.3 %
NE growing pig
11.3 %
Nitrogen digestibility, growing pig
44.7 %