美国NRC(1994)建议蛋鸡的营养需要量

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1、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口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、口粮组成、生长速度、产蛋率和饲养设备有关，此表数为20〜25°C环境温度下测

2、值2.美国NRC(1994)建议的未成年來航鸡蛋用鸡口粮屮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/kg11.9211.9212.1312.1311.7211.7211.921L92粗蛋白质%18.0016.0015.0017.0017.0015.004.0016.00梢氨酸%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.

3、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苏氮酸%0.680.570.370.470.

4、640.530.350.44色氨酸%0.170.110.110.120.160.130.100.11缄氨酸%0.620.520.410.460.590.490.380.43亚油酸%1.001.001.001.001.00LOO1.001.00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

5、.11镁mg/kg600.00500.00400.00400.00570.00470.00370.00370.00mg/kg60.0030.0030.()030.0056.002&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/kg5.004.004.004.005.004.004.004.00mg/kg0.350.350.350.350.330.330.330.33硒mg/kg0.150.100.100.10

6、0.140.100.100・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/kg10.0010.0010.0010.009.40

7、9.409.409.40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牛物素叶酸硫氨素毗哆醇mg/kgmg/kgmg/kgmg/kg0.150.551.003.000.100.251.003・000.100.251.003.000.100.250.803.0