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Table 1 The effect of dietary supplementation of AlphaGal to normal and low energy diet on the growth performance parameters of broiler chickens

From: Effect of dietary supplementation of alpha-galactosidase on the growth performance, ileal digestibility, intestinal morphology, and biochemical parameters in broiler chickens

Item

Energy

P-value

AlphaGal (mg/kg diet)

P-value

Energy × AlphaGal

P-value

SEM

RED

LED

0

50

RED+ 0 AlphaGal

RED+ 50 AlphaGal

LED+ 0 AlphaGal

LED+ 50 AlphaGal

Initial wt (gm)

74.58

74.00

0.63

74.41

74.16

0.83

74.50

74.66

74.33

73.66

0.95

0.57

Starter period

 BW (gm)

209.38

203.16

0.39

199.22b

213.33a

0.03

203.44

215.33

195.00

211.33

0.15

3.43

 BWG (gm)

134.80

129.16

0.43

124.80b

139.16a

0.02

128.94

140.66

120.66

137.66

0.12

3.37

 FI (gm)

188.22

192.66

0.7

188.05

192.83

0.68

181.77

194.66

194.33

191.00

0.86

5.41

 FCR

1.39

1.49

0.17

1.50

1.38

0.066

1.41b

1.38b

1.60a

1.38b

0.03

0.03

Grower period

 BW (gm)

910.44

871.83

0.26

851.77b

930.50a

0.009

887.22a

933.66a

816.33b

927.33a

0.01

16.62

 BWG (gm)

701.05

668.66

0.28

652.55b

717.16a

0.016

683.77ab

718.33a

621.33b

716.00a

0.025

14.43

 FI (gm)

966.77

970.00

0.93

939.94

996.83

0.10

947.88

985.66

932.00

1008.00

0.44

17.47

 FCR

1.38

1.45

0.16

1.44

1.39

0.3

1.38

1.37

1.50

1.40

0.31

0.025

Finisher period

 BW (gm)

2032.25

1924.50

0.185

1900.58b

2056.16a

0.04

2006.16a

2058.33a

1795.00b

2054.00a

0.023

39.53

 BWG (gm)

1121.80

1052.66

0.23

1048.80

1125.66

0.18

1118.94

1124.66

978.66

1126.66

0.16

28.16

 FI (gm)

1996.88

1917.66

0.19

1966.22

1948.33

0.77

2043.44

1950.33

1889.00

1946.33

0.35

29.49

 FCR

1.79

1.82

0.68

1.88

1.73

0.1

1.83

1.74

1.93

1.72

0.37

0.043

Overall performance

 BW (gm)

2032.25

1924.50

0.185

1900.58b

2056.16a

0.04

2006.16a

2058.33a

1795.00b

2054.00a

0.023

39.53

 BWG (gm)

1957.66

1850.50

0.18

1826.16b

1982.00a

0.04

1931.66a

1983.66a

1720.66b

1980.33a

0.02

39.46

 FI (gm)

3151.88

3080.33

0.42

3094.22

3138.00

0.63

3173.11

3130.66

3015.33

3145.33

0.63

42.59

 FCR

1.61

1.66

0.29

1.69a

1.58b

0.023

1.64ab

1.58b

1.75a

1.58b

0.04

0.026

 PER

2.99

2.88

0.25

2.83b

3.03a

0.03

2.93

3.04

2.74

3.02

0.06

0.04

 RGR

185.80

185.12

0.29

184.86b

186.06a

0.02

185.36a

185.97a

184.09b

186.14a

0.01

0.29

  1. a,b,c,d)Means within the same row carrying different superscripts are significantly different at (P < 0.05). RED Recommended energy diet, LED Low energy diet “–120 kcal/kg diet”
  2. BW Body weight, BWG Body weight gain, FI Feed intake, FCR Feed conversion ratio, PER Protein efficiency ratio, RGR Relative growth rate