Table 1.
Treatments | Year | Weight gain (g/bird/week) | ||||||
---|---|---|---|---|---|---|---|---|
W1 | W2 | W3 | W4 | W5 | W6 | Means | ||
T0 | 2013 | 133.3 ± 2.33 | 349.6 ± 6.06 | 638.3 ± 2.19 | 1049.4 ± 5.24 | 1545.6 ± 4.70 | 1992.7 ± 4.37 | 952.8 ± 111.04e |
2014 | 133.7 ± 1.76 | 349.0 ± 4.58 | 635.4 ± 4.06 | 1055.3 ± 4.70 | 1553.0 ± 3.61 | 1999.0 ± 6.81 | ||
T1 | 2013 | 133.3 ± 1.20 | 343.3 ± 5.46 | 649.0 ± 3.46 | 1073.5 ± 1.86 | 1560.6 ± 2.91 | 2033.3 ± 4.98 | 966.6 ± 113.28de |
2014 | 136.7 ± 2.60 | 344.3 ± 2.85 | 646.3 ± 5.49 | 1071.0 ± 7.23 | 1569.7 ± 5.61 | 2039.0 ± 10.10 | ||
T2 | 2013 | 135.6 ± 2.73 | 348.3 ± 7.97 | 656.6 ± 1.76 | 1106.6 ± 1.45 | 1607.7 ± 6.39 | 2111.7 ± 4.26 | 994.9 ± 117.67d |
2014 | 137.0 ± 1.53 | 348.0 ± 6.24 | 656.3 ± 7.84 | 1108.7 ± 4.67 | 1609.5 ± 8.76 | 2112.3 ± 6.69 | ||
T3 | 2013 | 135.3 ± 1.20 | 348.2 ± 3.84 | 685.3 ± 3.18 | 1121.7 ± 4.98 | 1645.6 ± 5.30 | 2208.3 ± 6.01 | 1026.3 ± 122.99c |
2014 | 135.3 ± 1.76 | 348.3 ± 3.28 | 686 ± 5.29 | 1128.3 ± 4.06 | 1656.3 ± 7.31 | 2216.4 ± 7.54 | ||
T4 | 2013 | 136 ± 2.08 | 348.6 ± 3.84 | 643.0 ± 1.53 | 1095.0 ± 2.65 | 1575.0 ± 5.57 | 2065.0 ± 7.55 | 986.2 ± 115.40 h |
2014 | 135.6 ± 2.03 | 349.0 ± 3.00 | 647.3 ± 6.96 | 1182.0 ± 6.43 | 1584.0 ± 7.57 | 2074.0 ± 6.24 | ||
T5 | 2013 | 137.0 ± 3.51 | 351.3 ± 2.60 | 709.0 ± 1.15 | 1142.0 ± 4.73 | 1662.7 ± 5.93 | 2265.6 ± 7.75 | 1044.2 ± 125.47bc |
2014 | 139.0 ± 2.08 | 348.5 ± 1.45 | 706.4 ± 3.18 | 1136.3 ± 7.31 | 1661.6 ± 6.96 | 2271.0 ± 3.79 | ||
T6 | 2013 | 137.7 ± 3.18 | 347.7 ± 6.33 | 730.0 ± 2.65 | 1152.7 ± 5.93 | 1679.0 ± 5.51 | 2293.3 ± 3.48 | 1057.5 ± 127.24b |
2014 | 137.3 ± 2.19 | 347.6 ± 4.33 | 724.6 ± 8.11 | 1154.3 ± 3.53 | 1679.6 ± 5.55 | 2307.0 ± 4.36 | ||
T7 | 2013 | 135.6 ± 1.45 | 347.6 ± 4.98 | 669.7 ± 1.76 | 1102.0 ± 7.00 | 1628.3 ± 5.04 | 2157.0 ± 6.24 | 1007.6 ± 120.18 cd |
2014 | 135.0 ± 2.52 | 347.7 ± 3.48 | 669.6 ± 6.01 | 1108.3 ± 5.46 | 1627.0 ± 6.43 | 2163.3 ± 4.4 | ||
T8 | 2013 | 134.7 ± 2.33 | 349.0 ± 2.65 | 745.7 ± 2.91 | 1164.3 ± 8.37 | 1695.0 ± 4.36 | 2350.0 ± 6.93 | 1073.6 ± 129.86ab |
2014 | 135.3 ± 2.91 | 349.3 ± 1.76 | 744.3 ± 5.81 | 1169.0 ± 6.66 | 1693.4 ± 5.21 | 2353.3 ± 4.06 | ||
T9 | 2013 | 135.6 ± 0.88 | 348.6 ± 4.33 | 762.0 ± 4.62 | 1180.0 ± 2.31 | 1713.3 ± 2.40 | 2374.6 ± 3.53 | 1086.5 ± 131.45a |
2014 | 135.3 ± 3.18 | 349.0 ± 3.79 | 763.7 ± 6.94 | 1180.3 ± 4.98 | 1708.0 ± 5.29 | 2388.0 ± 6.43 | ||
Means | 135.7 ± 0.46f | 348.2 ± 0.85e | 688.4 ± 5.62d | 1124.1 ± 5.40c | 1632.8 ± 7.0b | 2188.7 ± 16.74a |
Data are means ± SE. Means sharing similar letters in a column do not differ significantly from one another (p˃0.05)
T0 = control without antioxidants, T1 = 100 mg quercetin + 150 mg α-tocopherol/kg feed; T2 = 100 mg quercetin + 225 mg α-tocopherol/kg feed; T3 = 100 mg quercetin + 300 mg α-tocopherol/kg feed; T4 = 200 mg quercetin + 150 mg α-tocopherol/kg feed; T5 = 200 mg quercetin + 225 mg α-tocopherol/kg feed; T6 = 200 mg quercetin + 300 mg α-tocopherol/kg feed, T7 = 300 mg quercetin + 150 mg α-tocopherol/kg feed; T8 = 300 mg quercetin + 225 mg α-tocopherol/kg feed, T9 = 300 mg quercetin + 300 mg α-tocopherol/kg feed