美国NRC1994建议蛋鸡的营养需要量.docx

美国NRC（1994）建议蛋鸡的营养需要量

1.美国NRC（1994）建议的不同周龄鸡饮水量（ml/周/只）周龄肉仔鸡白来航蛋用鸡棕壳蛋蛋用鸡周龄肉仔鸡白来航蛋用鸡棕壳蛋蛋用鸡122520020011——248030040012100011003725——13——41000500700141100110051250——15——61500700800161200120071750——17——8200080090018130013009——19——1090010002016001500注：饮水量与环境温度、日粮组成、生长速度、产蛋率和饲养设备有关，此表数为20～25℃环境温度下测值

2.美国NRC（1994）建议的未成年来航鸡蛋用鸡日粮中营养成分需要量营养成分单位白蛋壳品系棕壳蛋品系0～6周6～12周12～18周18周～产蛋0～6周6～12周12～18周18周～产蛋代谢能MJ/kg11.9211.9212.1312.1311.7211.7211.9211.92粗蛋白质%18.0016.0015.0017.0017.0015.004.0016.00精氨酸%1.000.830.670.750.940.780.620.72甘氨酸+丝氨酸%0.700.580.470.530.660.540.440.50组氨酸%0.260.220.170.200.250.210.160.18异亮氨酸%0.600.500.400.450.570.470.370.42亮氨酸%1.100.850.700.801.000.800.650.75赖氨酸%0.850.600.450.520.800.560.420.49蛋氨酸%0.300.250.200.220.280.230.190.21蛋氨酸+胱氨酸%0.620.520.420.470.590.490.390.44苯丙氨酸%0.540.450.360.400.510.420.340.38苯丙氨酸+酪氨酸%1.000.830.670.750.940.780.630.70苏氨酸%0.680.570.370.470.640.530.350.44色氨酸%0.170.140.110.120.160.130.100.11缬氨酸%0.620.520.410.460.590.490.380.43亚油酸%1.001.001.001.001.001.001.001.00钙%0.900.800.802.000.900.800.801.80非植酸磷%0.400.350.300.320.400.350.300.35钾%0.250.250.250.250.250.250.250.25钠%0.150.150.150.150.150.150.150.15氯%0.150.120.120.150.120.110.110.11镁mg/kg600.00500.00400.00400.00570.00470.00370.00370.00锰mg/kg60.0030.0030.0030.0056.0028.0028.0028.00锌mg/kg40.0035.0035.0035.0038.0033.0033.0033.00铁mg/kg80.0060.0060.0060.0075.0056.0056.0056.00铜mg/kg5.004.004.004.005.004.004.004.00碘mg/kg0.350.350.350.350.330.330.330.33硒mg/kg0.150.100.100.100.140.100.100.10维生素AIU/kg500.001500.001500.001500.001420.00420.001420.001420.00维生素D3IU/kg200.00200.00200.00300.00190.00190.00190.00280.00维生素EIU/kg10.005.005.005.009.504.704.704.70维生素Kmg/kg0.500.500.500.500.470.470.470.47核黄素mg/kg3.601.801.802.203.401.701.701.70泛酸mg/kg10.0010.0010.0010.009.409.409.409.40尼克酸mg/kg27.0011.0011.0011.0026.0010.3010.3010.30维生素B12mg/kg0.010.000.000.000.010.000.000.00胆碱mg/kg1300.00900.00500.00500.001225.00250.00470.00470.00生物素mg/kg0.150.100.100.100.140.090.090.09叶酸mg/kg0.550.250.250.250.520.230.230.23硫氨素mg/kg