Table 5 Total amino acid composition of the two supplementary protein ingredients (% of powder), the four treatment feeds and the essential amino acid requirements of Atlantic salmon70 (% of diet dry matter; ND = not determined).

From: Replacing fishmeal with plant protein in Atlantic salmon (Salmo salar) diets by supplementation with fish protein hydrolysate

 

Supplements

Diet

Atlantic salmon

PHP

SPH

FM

PL

PHP

SPH

(av. 0.2–500 g)

Arginine

4.63

5.71

3.03

3.18

3.11

3.15

1.81

Histidine

1.62

1.17

1.41

1.39

1.26

1.38

0.80

Isoleucine

3.66

3.01

2.12

2.14

2.16

2.02

1.32

Leucine

5.91

5.63

3.75

3.79

3.73

3.65

2.31

Lysine

6.48

8.51

3.57

3.16

3.10

3.25

2.55

Methionine + Cystine

3.14

2.67

2.08

1.75

1.81

2.04

1.29

Phenylalanine + Tyrosine

6.76

3.92

3.63

3.90

3.86

3.56

2.70

Threonine

3.63

3.92

1.88

1.85

1.81

1.75

1.58

Tryptophan

ND

ND

ND

ND

ND

ND

0.36

Valine

4.12

4.05

2.34

2.39

2.37

2.26

1.77

Cystic acid

ND

ND

0.87

0.94

1.10

0.99

 

Taurine

ND

ND

0.39

0.19

0.27

0.32

 

Asparagine

7.55

8.28

4.58

4.71

4.88

4.77

 

Serine

3.66

4.11

2.20

2.23

2.35

2.26

 

Glutamic acid

9.59

15.00

9.39

9.42

10.09

9.63

 

Glycine

3.75

6.51

2.61

2.06

2.24

2.29

 

Alanine

4.54

5.93

2.42

2.04

2.12

2.18

 

Proline

2.84

3.70

2.61

2.54

2.77

2.60