Skip to main content

Table 2 Effects of supplemental xylanase and xylooligosaccharides on growth performance of broilers in different dietary phases from d 0–42 post-hatch

From: Effects of supplemental xylanase and xylooligosaccharides on production performance and gut health variables of broiler chickens

Treatments

Variables

ADFI, g/day

ADG, g/day

FCR

FBWG, g

0–14

15–28

29–42

0–42

0–14

15–28

29–42

0–42

0–14

15–28

29–42

0–42

0–42

0 BXU xylanase

 Xylo-oligo, 0 g/t

36.0

109.0

171.2

105.4

27.0

75.6

91.9

64.9

1.34

1.44

1.87

1.63

2,694

 Xylo-oligo, 50 g/t

36.3

109.0

175.7

107.0

27.9

76.7

94.7

66.4

1.31

1.42

1.86

1.61

2,800

 Xylo-oligo, 100 g/t

36.4

109.9

173.7

106.7

28.2

77.5

92.9

66.2

1.29

1.42

1.88

1.61

2,786

 8,000 BXU xylanase

             

 Xylo-oligo, 0 g/t

36.3

110.5

177.5

108.1

27.7

77.5

97.9

67.7

1.31

1.43

1.81

1.60

2,890

 Xylo-oligo, 50 g/t

36.6

110.9

179.3

108.9

28.3

79.7

96.9

68.3

1.30

1.39

1.86

1.60

2,959

 Xylo-oligo, 100 g/t

36.7

111.6

179.2

109.2

28.7

80.2

98.6

69.2

1.28

1.39

1.82

1.58

2,972

16,000 BXU xylanase

Xylo-oligo, 0 g/t

36.7

111.4

179.4

109.2

28.5

78.3

98.8

68.5

1.29

1.43

1.82

1.60

2,909

Xylo-oligo, 50 g/t

36.7

112.2

178.4

109.1

28.8

79.9

98.9

69.2

1.28

1.41

1.82

1.58

2,946

Xylo-oligo, 100 g/t

36.8

111.2

179.2

109.0

29.1

80.5

98.5

69.4

1.26

1.38

1.82

1.57

2,941

SEM (n = 4)

0.50

1.70

3.47

1.56

0.87

1.76

2.44

1.33

0.04

0.02

0.04

0.02

65.02

Main effect factors

 Xylanase

  0 BXU xylanase

36.2

109.3

173.5

106.4

27.7

76.6

93.2b

65.8b

1.31

1.43

1.87

1.62

2,760b

  8000 BXU xylanase

36.5

111.0

178.7

108.7

28.3

79.1

97.8ab

68.4ab

1.30

1.40

1.83

1.59

2,940a

  16,000 BXU xylanase

36.7

111.6

179.0

109.1

28.8

79.6

98.7a

69.0a

1.28

1.40

1.82

1.58

2,932a

 Xylooligosaccharides

  Xylo-oligo, 0 g/t

36.3

110.3

176.0

107.6

27.7

77.1

96.2

67.0

1.31

1.43

1.84

1.61

2,831

  Xylo-oligo, 50 g/t

36.5

110.7

177.8

108.3

28.3

78.8

96.8

68.0

1.29

1.41

1.84

1.59

2,902

  Xylo-oligo, 100 g/t

36.6

110.9

177.4

108.3

28.7

79.4

96.7

68.3

1.28

1.40

1.84

1.59

2,900

  SEM (n = 12)

0.29

0.98

2.01

0.90

0.50

1.02

1.41

0.77

0.02

0.01

0.02

0.01

37.54

 P-value

  Xylanase

0.490

0.247

0.114

0.081

0.317

0.108

0.020

0.015

0.480

0.395

0.305

0.197

0.003

  Linear

–

–

–

–

–

–

0.009

0.006

–

–

–

–

0.003

  Quadratic

–

–

–

–

–

–

0.290

0.317

–

–

–

–

0.050

  Xylo-oligo

0.748

0.922

0.809

0.790

0.417

0.280

0.948

0.500

0.524

0.244

0.973

0.606

0.335

  Xylanase × Xylo-oligo

0.993

0.978

0.959

0.985

0.998

0.999

0.935

0.992

0.990

0.980

0.954

0.995

0.983

  1. 0 BXU xylanase = 0 g xylanase/ t feed, 8,000 BXU xylanase = 50 g xylanase/ t feed, 16,000 BXU xylanase = 100 g xylanase/ t feed. Xylo-oligo: xylooligosaccharides. ADFI: average daily feed intake, ADG: average daily gain, FCR: feed conversion ratio, FBWG: final body weight gain
  2. a-bWithin columns in the xylanase main effect, means without a common superscript differ (P < 0.05)
Back to article page

Journal of Animal Science and Biotechnology

ISSN: 2049-1891