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Table 7 Effects of protease supplementation of diets containing raw soybean on the ileal flow (g/kg of FI) of undigested crude protein and amino acids (mg/g) at day 24

From: Apparent and standardized ileal nutrient digestibility of broiler diets containing varying levels of raw full-fat soybean and microbial protease

RFFS1(g/kg)

Protease (PROT/kg)

CP

Indispensable amino acids

 

Dispensable amino acids

His

Arg

Thr

Lys

Met

Val

Ile

Leu

Phe

 

Ser

Gly

Ala

Pro

0

0

41.30

0.96

1.47

2.06

1.97

0.28

2.32

1.86

3.30

1.89

 

2.26

2.94

2.21

2.82

 

15,000

38.50

0.87

1.40

1.95

1.75

0.24

2.05

1.65

2.88

1.67

 

2.11

2.82

1.96

2.63

45

0

43.60

1.01

1.56

2.22

2.09

0.26

2.47

2.02

3.52

2.03

 

2.49

3.03

2.34

2.99

 

15,000

40.60

1.02

1.56

2.23

2.03

0.30

2.46

1.99

3.50

1.97

 

2.49

3.02

2.29

2.93

75

0

65.30

1.12

1.82

2.36

2.33

0.31

2.78

2.30

3.99

2.28

 

2.71

3.26

2.53

3.11

 

15,000

55.60

1.09

1.70

2.35

2.15

0.30

2.68

2.20

3.90

2.16

 

2.65

3.24

2.51

3.16

SEM

0.9

0.02

0.05

0.04

0.05

0.01

0.06

0.05

0.10

0.05

 

0.05

0.04

0.06

0.06

Main effects

 0

 

39.90b

0.92b

1.43b

2.01b

1.86b

0.26

2.19c

1.75c

3.09c

1.78c

 

2.18b

2.88b

2.09b

2.72b

 45

 

42.10b

1.01b

1.56a

2.22a

2.06a

0.28

2.46b

2.01b

3.51b

2.00b

 

2.49a

3.03b

2.32ab

2.96ab

 45

 

60.50a

1.10a

1.76a

2.35a

2.24a

0.30

2.73a

2.25a

3.94a

2.22a

 

2.68a

3.25a

2.52a

3.14a

 

0

49.10

1.03

1.61

2.22

2.11

0.29

2.52

2.05

3.60

2.05

 

2.48

3.07

2.34

2.95

 

15,000

45.90

0.99

1.55

2.17

2.00

0.27

2.40

1.96

3.43

1.95

 

2.42

3.03

2.27

2.93

Sources of variation

 RFFS

***

**

*

**

**

NS

***

***

***

***

 

***

***

**

**

 Protease

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

 

NS

NS

NS

NS

 RFFS x protease

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

 

NS

NS

NS

NS

  1. a,b,cMeans bearing uncommon superscript within a column are significantly different at NS = non-significant; *P < 0.05; **P < 0.01; ***P < 0.001; 1RFFS = raw full-fat soybean (SBM was replaced by RFFS at zero, 15 and 25%, equivalent to zero, 45 and 75 g/kg of diet, respectively); SEM = standard error of means. A 15000 PROT/kg = 15,000 units of protease/kg of diet, equivalent to 200 mg of protease / kg of diet