Keratinase

Name

Keratinase

Product Series Name

NutriGen Keratinase

Activity

100000-200000 U/g

Strain

Parengyodontium album

EC code

EC 3.4.99.11

Form

Powder,Liquid

Carrier

Starch

Color

White, Light yellow

Loss on drying

≤ 10%

Working pH

6.0-12.5

Optimum pH

11

Working T

30℃-70℃

Optimum T

60℃

Particle size

80% pass 40 mesh

Package

25kg /bag

Storage

Stored 6 months in dark, cool and dry conditions

Caution

Avoid direct sunlight, high temperature

Nutrient

Poultry

Value

Amount provided in the diet

Metabolizable energy（Mcal/kg）

600

0.060

Crude protein, %

5400

0.540

Lysine, %

150

0.015

Methionine, %

180

0.018

Cystine, %

150

0.015

Threonine, %

210

0.021

Tryptophane, %

90

0.009

Isoleucine , %

150

0.015

Arginine, %

285

0.0285

Valine, %

255

0.0255

Item

Diet

PC

Basal diet

NC

Basal diet-0.5% crude protein

Group I

NC+125g/t competitor

Group II

NC+100g/t Keratinase(30000U/g)

Items

PC

NC

Group I

Group II

Initial weight,g

62.79±0.31

62.58±0.29

62.56±0.33

62.33±0.27

1-21days

21stAG,g

986.16ab±10.08

977.41b±8.22

1013.59ab±25.72

997.17ab±10.53

ADFI,g

62.08± 1.43

60.93±1.10

62.09±2.04

58.71±2.12

ADG,g

43.94±0.47

43.45±0.39

45.12±1.29

44.33±0.53

F/G

1.41±0.03

1.40±0.03

1.38±0.05

1.33±0.04

Death rate,%

1.43±1.57

3.45±2.21

5.38±6.24

3.33±5.24

22-42days

22ndAG,g

1140.08±1.30

1135.33±5.97

1136.73±7.06

1138.33±5.41

42ndAG,g

2985.77±41.56

2971.06±47.61

3058.21±58.29

3010.25±44.17

ADFI,g

179.00±3.12

178.64±2.86

175.81±3.64

174.22±2.64

ADG,g

87.88±2.01

87.42±2.43

91.50±2.85

89.14±2.20

F/G

2.04±0.07

2.05±0.03

1.93±0.05

1.96±0.06

Death rate,%

2.00±2.19

1.33±2.07

0.67±1.63

1.33±2.07

1-42days

ADFI,g

120.51±2.39

119.78±1.63

118.94±2.01

116.47±1.60

ADG,g

69.59±0.98

69.25±1.13

71.32±1.39

70.18±1.05

F/G

1.73±0.02

1.73±0.02

1.67±0.02

1.66±0.03

Death rate,%

3.43±3.76

4.78±1.73

6.05±5.74

4.67±4.59

Items

PC

NC

Group I

Group II

Asp

55.87±4.44

52.59±2.57

54.52±8.03

57.52±5.76

Thr

63.09±7.47

61.47±5.32

62.17±5.74

63.69±5.19

Ser

69.11±5.51

65.44±4.61

65.80±7.04

68.04±4.10

Glu

69.31±3.41ab

64.68±1.35b

67.12±5.82

74.82±3.39a

Gly

55.36±15.14ab

42.03±4.21b

49.11±11.59b

67.00±1.89a

Ala

31.82±2.11b

34.51±4.37b

35.35±5.19

35.92±4.82b

Val

46.32±0.75

45.59±1.66

44.68±4.68

50.18±3.73

Met

72.53±1.35

70.69±2.65

75.17±3.79

74.29±3.31

Ile

46.45±0.53b

47.40±2.87ab

47.47±5.60

51.65±4.65ab

Leu

56.28±1.57

52.87±7.19

55.44±8.01

53.05±4.90

Tyr

50.93±3.67

47.91±4.34

50.94±10.97

56.55±8.06

Phe

66.11±2.37

61.58±1.25

62.81±7.79

68.80±6.93

His

31.90±4.72ab

25.09±7.33b

28.06±14.13

40.79±5.43<