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Seaweeds (marine macroalgae)

Feed 2

Feed 3

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Seaweeds (Sargassum spp.)

Essential Nutritional Indicators (Avg)

92.1

Dry matter

% as fed

8.5

Crude protein

% DM

21.3

ADF

% DM

29.5

NDF

% DM

Minerals

35.9

Ash

% DM

3.8

Calcium

g/kg DM

2.2

Phosphorus

g/kg DM

Laminaria and Saccharina seaweeds

Essential Nutritional Indicators (Avg)

15.4

Dry matter

% as fed

9.8

Crude protein

% DM

16.6

NDF

% DM

Minerals

31.5

Ash

% DM

8.8

Calcium

g/kg DM

Phosphorus

g/kg DM

Maerl (calcified seaweeds)

Essential Nutritional Indicators (Avg)

99.2

Dry matter

% as fed

Minerals

Ash

% DM

335.9

Calcium

g/kg DM

Sea lettuce (Ulva spp.), dried

Essential Nutritional Indicators (Avg)

88.6

Dry matter

% as fed

18.6

Crude protein

% DM

8.7

ADF

% DM

26.2

NDF

% DM

Minerals

Ash

% DM

29.2

Calcium

g/kg DM

2.7

Phosphorus

g/kg DM

Dulse (Palmaria palmata), dried

Essential Nutritional Indicators (Avg)

19.1

Crude protein

% DM

Minerals

24.5

Ash

% DM

Giant kelp (Macrocystis pyrifera), dried

Essential Nutritional Indicators (Avg)

92.5

Dry matter

% as fed

10.1

Crude protein

% DM

12.6

ADF

% DM

19.9

NDF

% DM

Minerals

Ash

% DM

14.1

Calcium

g/kg DM

2.9

Phosphorus

g/kg DM

Rockweed (Ascophyllum nodosum), dried

Essential Nutritional Indicators (Avg)

Dry matter

% as fed

Crude protein

% DM

13.1

ADF

% DM

20.9

NDF

% DM

Minerals

22.5

Ash

% DM

Calcium

g/kg DM

Phosphorus

g/kg DM

Seaweeds (Sargassum spp.)

Average nutritional values

Dry matter

92.1 %

Crude protein

8.5 %

Crude fibre

10.1 %

NDF

29.5 %

ADF

21.3 %

Lignin

4.5 %

Ether extract

1.2 %

Ash

35.9 %

Gross energy

9.1 %

Starch (polarimetry)

0 %

Total sugars

1.9 %

Calcium

3.8 %

Phosphorus

2.2 %

Potassium

46.2 %

Sodium

36 %

Magnesium

7.7 %

Manganese

214 %

Zinc

214 %

Copper

7 %

Iron

7291 %

Alanine

4.6 %

Arginine

4.9 %

Aspartic acid

7.6 %

Cystine

0.9 %

Glutamic acid

14.5 %

Glycine

4 %

Histidine

2 %

Isoleucine

3.9 %

Leucine

6 %

Lysine

3.5 %

Methionine

1.6 %

Phenylalanine

3.7 %

Proline

3.2 %

Serine

3.3 %

Threonine

3.5 %

Tryptophan

0.4 %

Tyrosine

2.9 %

Valine

4.6 %

Tannins (eq. tannic acid)

22 %

Laminaria and Saccharina seaweeds

Average nutritional values

Dry matter

15.4 %

Crude protein

9.8 %

Crude fibre

6.6 %

NDF

16.6 %

Ether extract

0.8 %

Ash

31.5 %

Gross energy

12.5 %

Total sugars

8.5 %

Calcium

8.8 %

Phosphorus

3 %

Potassium

59.5 %

Sodium

25.3 %

Magnesium

5.5 %

Manganese

6 %

Zinc

111 %

Copper

14 %

Iron

196 %

Alanine

6.5 %

Arginine

4 %

Aspartic acid

10 %

Cystine

2.2 %

Glutamic acid

15 %

Glycine

4.7 %

Histidine

3 %

Isoleucine

3.5 %

Leucine

6 %

Lysine

5.8 %

Methionine

1.7 %

Phenylalanine

3.9 %

Proline

3.1 %

Serine

3.6 %

Threonine

4.5 %

Tryptophan

0.4 %

Tyrosine

2.3 %

Valine

6.7 %

Maerl (calcified seaweeds)

Average nutritional values

Dry matter

99.2 %

Ash

95 %

Calcium

335.9 %

Sodium

3.3 %

Magnesium

32.7 %

Sea lettuce (Ulva spp.), dried

Average nutritional values

Dry matter

88.6 %

Crude protein

18.6 %

Crude fibre

6.9 %

NDF

26.2 %

ADF

8.7 %

Lignin

3.5 %

Ether extract

1.2 %

Ash

23 %

Gross energy

14.7 %

Calcium

29.2 %

Phosphorus

2.7 %

Potassium

22.1 %

Sodium

20.2 %

Magnesium

16.7 %

Manganese

101 %

Zinc

45 %

Copper

12 %

Iron

1246 %

Alanine

5.9 %

Arginine

4.5 %

Aspartic acid

7.9 %

Cystine

5.9 %

Glutamic acid

13.3 %

Glycine

5.4 %

Histidine

2 %

Isoleucine

2.6 %

Leucine

5.2 %

Lysine

3.8 %

Methionine

1.6 %

Phenylalanine

3.6 %

Proline

2.8 %

Serine

4.2 %

Threonine

3.8 %

Tyrosine

1.4 %

Valine

4.4 %

Energy digestibility, ruminants

60 %

ME ruminants

7.1 %

Nitrogen degradability (effective, k=6%)

42 %

Nitrogen degradability (effective, k=4%)

45 %

a (N)

23.4 %

b (N)

31.9 %

c (N)

0.083 %

DE ruminants

8.8 %

Dulse (Palmaria palmata), dried

Average nutritional values

Crude protein

19.1 %

Crude fibre

1.5 %

Ash

24.5 %

Manganese

11 %

Zinc

143 %

Copper

24 %

Iron

153 %

Giant kelp (Macrocystis pyrifera), dried

Average nutritional values

Dry matter

92.5 %

Crude protein

10.1 %

Crude fibre

8 %

NDF

19.9 %

ADF

12.6 %

Lignin

3.6 %

Ether extract

0.6 %

Ash

32 %

Gross energy

9 %

Calcium

14.1 %

Phosphorus

2.9 %

Potassium

67.5 %

Sodium

36.9 %

Magnesium

39 %

Manganese

11 %

Zinc

12 %

Copper

2 %

Iron

117 %

Alanine

10.9 %

Arginine

3.5 %

Aspartic acid

9.7 %

Cystine

2.5 %

Glutamic acid

14.3 %

Glycine

4.5 %

Histidine

1.3 %

Isoleucine

3.4 %

Leucine

5.8 %

Lysine

4.7 %

Methionine

1.9 %

Phenylalanine

3.8 %

Proline

3.6 %

Serine

4.2 %

Threonine

4.6 %

Tryptophan

0.9 %

Tyrosine

2.6 %

Valine

5.2 %

Tannins (eq. tannic acid)

25 %

Rockweed (Ascophyllum nodosum), dried

Average nutritional values

Dry matter

88 %

Crude protein

8 %

Crude fibre

5.5 %

NDF

20.9 %

ADF

13.1 %

Lignin

13.8 %

Ether extract

3.9 %

Ash

22.5 %

Gross energy

14.7 %

Calcium

20 %

Phosphorus

1 %

Potassium

24 %

Magnesium

8 %

Manganese

12 %

Zinc

181 %

Copper

28 %

Iron

134 %

Alanine

5.4 %

Arginine

6 %

Aspartic acid

8.4 %

Cystine

0.9 %

Glutamic acid

11.6 %

Glycine

4.8 %

Histidine

1.4 %

Isoleucine

3.1 %

Leucine

5.3 %

Lysine

4.6 %

Methionine

1.3 %

Phenylalanine

3.2 %

Proline

3 %

Serine

3.5 %

Threonine

3.6 %

Tyrosine

0.9 %

Valine

4.1 %