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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