美国NRC(1994)家禽营养需要标准.pdf

表1未成熟来航鸡的营养需要
白壳蛋鸡褐壳蛋鸡
营养素单位0-6周6-12周12-18周18-开产0-6周6-12周12-18周
终体重g4509801375147550011001500
代谢能Kcal/kg2850285029002900280028002850
蛋白质和氨基酸
粗蛋白%18161517171514
精氨酸%10.830.670.750.940.780.62
甘氨酸+丝氨酸%0.70.580.470.530.660.540.44
组氨酸%0.260.220.170.20.250.210.16
异亮氨酸%0.60.50.40.450.570.470.37
亮氨酸%1.10.850.70.810.80.65
赖氨酸%0.850.60.450.520.80.560.42
蛋氨酸%0.30.250.20.220.280.230.19
蛋氨酸+胱氨酸%0.620.520.420.470.590.490.39
苯丙氨酸%0.540.450.360.40.510.420.34
苯丙氨酸+酪氨酸%10.830.670.750.940.780.63
苏氨酸%0.680.570.370.470.640.530.35
色氨酸%0.170.140.110.120.160.130.1
缬氨酸%0.620.520.410.460.590.490.38
脂肪
亚油酸%1111111
常量元素
钙%0.90.80.820.90.80.8
非植酸磷%0.40.350.30.320.40.350.3
钾%0.250.250.250.250.250.250.25
钠%0.150.150.150.150.150.150.15
氯%0.150.120.120.150.120.110.11
镁mg/kg600500400400570470370
微量元素
猛mg/kg60303030562828
锌mg/kg40353535383333
铁mg/kg80606060755656
铜mg/kg5444544
碘mg/kg0.350.350.350.350.330.330.33
硒mg/kg0.150.10.10.10.140.10.1
脂溶性维生素
AIU/KG1500150015001500142014201420
D3IU/KG200200200300190190190
EIU/KG105559.54.74.7
Kmg/kg0.50.50.50.50.470.470.47
水溶性维生素
核黄素mg/kg3.61.81.82.23.41.71.7
泛酸mg/kg101010109.49.49.4
烟酸mg/kg271111112610.310.3
B12mg/kg0.0090.0030.0030.0040.0090.0030.003
胆碱mg/kg13009005005001225850470
生物素mg/kg0.150.10.10.10.140.090.09
叶酸mg/kg0.550.250.250.250.520.230.23
硫胺素mg/kg110.80.8110.8
吡哆醇mg/kg33332.82.82.8
注：1.鸡不需要粗蛋白本身，但必须保证足够的粗蛋白用于非必需氨基酸基本的合成。建议值是根
豆粕日粮确定的，使用合成氨基酸时日粮中粗蛋白水平可以降低；
2.当日粮中含大量非植酸磷时，钙的需要量应提高（Nelson,1984）。
18-开产
1600
2850

16
0.72
0.5
0.18
0.42
0.75
0.49
0.21
0.44
0.38
0.7
0.44
0.11
0.43

1

1.8
0.35
0.25
0.15
0.11
370

28
33
56
4
0.33
0.1

1420
280
4.7
0.47

1.7
9.4
10.3
0.003
470
0.09
0.23
0.8
2.8
值是根据玉米