指标单位3~55~1010~2020~5050~80平均体重kg47.5153565消化能34003400340034003400代谢能32653265326532653265消化能进食量8551690340063058760代谢能进食量8201620326560508410采食量G/b250500100018552575粗蛋白2623.720.91815.5精氨酸%0.540.420.330.24组氨酸%0.430.380.320.260.21异亮氨酸%0.730.650.550.450.37亮氨酸%1.351.21.020.830.67赖氨酸%1.341.191.010.830.66蛋氨酸%0.360.320.270.220.18%0.760.680.580.470.39苯丙氨酸%0.80.710.610.490.4%1.261.120.950.780.63苏氨酸%0.840.740.630.520.43NRC1998营养需要标准表1生长猪日粮氨基酸需要量（自由采食，日粮含90%干物体重（kg）kcal/kgkcal/kgbkcal/kgkcal/kgb%c回肠末端真可消化氨基酸需要量d蛋氨酸+胱氨酸苯丙氨酸+酪氨酸色氨酸%0.240.220.180.150.12缬氨酸%0.910.810.690.560.45回肠末端表现可消化氨基酸需要量精氨酸%0.510.460.930.310.22组氨酸%0.40.360.310.250.2异亮氨酸%0.690.610.520.420.34亮氨酸%1.291.150.980.80.64赖氨酸%1.261.110.940.770.61蛋氨酸%0.340.30.260.210.17%0.710.630.530.440.36苯丙氨酸%0.750.660.560.460.37%1.181.050.890.720.58苏氨酸%0.750.660.560.460.37色氨酸%0.220.190.160.130.1缬氨酸%0.840.740.630.510.41精氨酸%0.590.540.460.370.27组氨酸%0.480.430.360.30.24异亮氨酸%0.830.730.630.510.42亮氨酸%1.51.321.120.90.71赖氨酸%1.51.351.150.950.75蛋氨酸%0.40.350.30.250.2%0.860.760.650.540.44苯丙氨酸%0.90.80.680.550.44%1.411.251.060.870.7蛋氨酸+胱氨酸苯丙氨酸+酪氨酸总氨酸需要量c蛋氨酸+胱氨酸苯丙氨酸+酪氨酸苏氨酸%0.980.860.740.610.51色氨酸%0.270.240.210.170.14缬氨酸%1.040.920.790.640.52指标单位3~55~1010~2020~5050~80平均体重kg47.5153565消化能34003400340034003400代谢能32653265326532653265消化能进食量8551690340063058760代谢能进食量8201620326560508410采食量G/b250500100018552575粗蛋白2623.720.91815.5精氨酸G/b1.42.44.26.16.2组氨酸G/b1.11.93.24.95.5异亮氨酸G/b1.83.25.58.49.4亮氨酸G/b3.4610.315.57.2赖氨酸G/b3.45.910.115.317.1蛋氨酸G/b0.91.62.74.14.6注：a：公母按1：1混养，从20~120kg体重，每天沉积无脂瘦肉325g；b：消化能转化为代谢能的效率为96%，在本表中所列玉米-豆粕型日粮的粗蛋白条件下94%~96%；1kcal=4.18kj，后表同。c：本表中所列粗蛋白含量适用于玉米-豆粕型日粮，对于采食含血浆或...
