1、NRC1998NRC1998营营养养需需要要标标准准 表1 生长猪日粮氨基酸需要量（自由采食，日粮含90%干物质）a体重（kg）指标单位35510102020505080平均体重kg47.5153565消化能kcal/kg34003400340034003400代谢能kcal/kgb32653265326532653265消化能进食量kcal/kg8551690340063058760代谢能进食量kcal/kgb8201620326560508410采食量G/b250500100018552575粗蛋白%c2623.720.91815.5回肠末端真可消化氨基酸需要量d精氨酸%0.540.420
2、.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蛋氨酸+胱氨酸%0.760.680.580.470.39苯丙氨酸%0.80.710.610.490.4苯丙氨酸+酪氨酸%1.261.120.950.780.63苏氨酸%0.840.740.630.520.43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.
3、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蛋氨酸+胱氨酸%0.710.630.530.440.36苯丙氨酸%0.750.660.560.460.37苯丙氨酸+酪氨酸%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总氨酸需要量c精氨酸%0
4、.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蛋氨酸+胱氨酸%0.860.760.650.540.44苯丙氨酸%0.90.80.680.550.44苯丙氨酸+酪氨酸%1.411.251.060.870.7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注：a：公母按1：1混养，从20
5、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，消化能转化为代谢能的效率为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，对于采食含血浆或奶产品的310kg 仔猪，粗蛋白水平可以降低2%3%；d：总氨基酸的需要量基于以下日粮：35kg仔猪，玉米-豆粕日粮，含5%的血浆制品和25%50%的奶制品；510kg仔猪，玉米-豆粕日粮含5%25%的奶制品；10120kg生长猪，玉米-豆粕型日粮；e：320kg体重猪的总赖氨酸需要量是根据经验数据计算出来的，其它氨基酸是根据它们和赖氨
6、酸的比例（真可消化基础）计算出来的，不过也有极个别数据是通过经验数据计算出来的；20120kg体重的氨基酸需要量是通过生长模型计算出来的。表2 生长猪每天氨基酸需要量（自由采食，日粮含90%干物质）体重（kg）指标单位35510102020505080平均体重kg47.5153565消化能kcal/kg34003400340034003400代谢能kcal/kgb32653265326532653265消化能进食量kcal/kg8551690340063058760代谢能进食量kcal/kgb8201620326560508410采食量G/b250500100018552575粗蛋白%c262
7、3.720.91815.5回肠末端真可消化氨基酸需要量d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蛋氨酸+胱氨酸G/b1.93.45.88.810苯丙氨酸G/b23.56.19.110.2苯丙氨酸+酪氨酸G/b3.25.59.514.416.1苏氨酸G/b2.13.76.39.711色氨酸G/b0.61.11.92.83.1缬氨酸G/b2.346.910.411.6回肠末端表现可
8、消化氨基酸需要量精氨酸G/b1.32.33.95.75.7组氨酸G/b11.83.14.65.2异亮氨酸G/b1.735.27.88.7亮氨酸G/b3.25.79.814.816.5赖氨酸G/b3.25.59.414.215.8蛋氨酸G/b0.91.52.63.94.4蛋氨酸+胱氨酸G/b1.83.15.38.29.3苯丙氨酸G/b1.93.35.78.59.4苯丙氨酸+酪氨酸G/b35.28.913.415苏氨酸G/b1.93.35.68.59.6色氨酸G/b0.511.62.42.7缬氨酸G/b2.13.76.39.510.6总氨基酸需要量c精氨酸G/b1.52.74.66.8表3 瘦肉生
9、长速度不同的阉公猪和母猪日粮氨基酸需要量(自由采食,日粮含90%干物质)体重范围 5080 80120瘦肉生长速度（g/b）300 325 300 325 350性别阉公猪母猪阉公猪母猪阉公猪母猪平均体重,kg656565656565消化能kcal/kg340034003400340034003400代谢能,kcal/kg326532653265326532653265消化能进食量,kcal/kg936081659360816593608165代谢能进食量,kcal/kgb898578408985784089857840采食量,g/b275024002755240027552400粗蛋白(%)
10、c14.215.514.916.315.617.1回肠末端真可消化氨基酸需要量(%)d精氨酸0.20.230.220.260.250.28组氨酸0.180.210.20.230.210.24异亮氨酸0.320.360.340.390.370.42亮氨酸0.580.660.620.720.670.77赖氨酸0.580.660.620.710.670.76蛋氨酸0.160.180.170.190.180.21蛋氨酸+胱氨酸0.340.390.360.420.390.44苯丙氨酸0.340.390.370.420.40.46苯丙氨酸+酪氨酸0.540.620.590.670.630.72苏氨酸0.3
11、70.430.40.460.430.49色氨酸0.110.120.110.130.120.14缬氨酸0.390.450.420.480.450.52回肠末端表现可消化氨基酸需要量(%)精氨酸0.190.210.210.240.230.26组氨酸0.170.20.190.210.20.23异亮氨酸0.290.340.310.360.340.39亮氨酸0.560.640.60.690.650.74赖氨酸0.530.610.570.660.610.71蛋氨酸0.150.170.160.180.170.2蛋氨酸+胱氨酸0.310.360.340.390.360.41苯丙氨酸0.320.360.340.
12、390.370.42苯丙氨酸+酪氨酸0.50.580.540.620.580.67苏氨酸0.320.370.350.40.370.43色氨酸0.090.10.10.110.10.12缬氨酸0.360.410.380.440.410.47总氨基酸需要量(%)c精氨酸0.240.270.260.290.280.32组氨酸0.210.240.230.260.240.28异亮氨酸0.360.410.390.450.420.48亮氨酸0.610.710.670.770.720.83赖氨酸0.670.760.720.820.770.88蛋氨酸,0.170.20.190.210.20.23蛋氨酸+胱氨酸0.
13、380.440.410.470.440.5苯丙氨酸0.380.440.410.470.440.51苯丙氨酸+胱氨酸0.610.70.650.750.70.8苏氨酸0.440.50.470.540.510.58色氨酸0.120.140.130.150.140.16缬氨酸0.450.510.480.550.520.59注：a：从20120kg体重，每日沉积30g、325和350g无脂瘦肉，依次相当于瘦肉生长速度一般、较高和最高；b：消化能转化为代谢能的效率为96%；c：粗蛋白和总氨基酸需要量基于玉米-豆粕型日粮；d：根据生长模型的计算值。表4 瘦肉生长速度不同的阉公猪和母猪日氨基酸需要量（自由采食
14、，日粮含90%干物质）体重范围 5080 80120瘦肉生长速度（g/b）300 325 300 325 350性别阉公猪母猪阉公猪母猪阉公猪母猪平均体重,kg656565656565消化能kcal/kg340034003400340034003400代谢能,kcal/kg326532653265326532653265消化能进食量,kcal/kg936081659360816593608165代谢能进食量,kcal/kgb898578408985784089857840采食量,g/b275024002755240027552400粗蛋白(%)c14.215.514.916.315.617.1
15、回肠末端真可消化氨基酸需要量(g/b)d精氨酸5.66.26.8组氨酸5.15.55.9异亮氨酸8.79.410.1亮氨酸15.917.218.5赖氨酸15.917.118.4蛋氨酸4.34.65蛋氨酸+胱氨酸9.31010.7苯丙氨酸9.410.210.9苯丙氨酸+酪氨酸1516.117.3苏氨酸10.31111.8色氨酸2.93.13.4缬氨酸10.811.612.5回肠末端表现可消化氨基酸需要量(g/b)精氨酸5.15.76.3组氨酸4.85.25.5异亮氨酸88.79.3亮氨酸15.316.517.7赖氨酸14.615.716.9蛋氨酸4.14.44.7蛋氨酸+胱氨酸8.69.39.9
16、苯丙氨酸8.79.410.1苯丙氨酸+酪氨酸13.91516.1苏氨酸8.99.610.3色氨酸2.52.72.9缬氨酸9.810.611.4总氨基酸需要量(%)c精氨酸6.47.17.7组氨酸5.86.36.7异亮氨酸1010.711.5亮氨酸16.918.419.8赖氨酸18.319.721.1蛋氨酸4.85.15.5蛋氨酸+胱氨酸10.511.312.1苯丙氨酸10.511.312.2苯丙氨酸+胱氨酸16.71819.3苏氨酸12.21313.9色氨酸3.33.63.8缬氨酸12.413.314.3注：a：从20120kg体重，每日沉积30g、325和350g无脂瘦肉，依次相当于瘦肉生长速度一般、较高和最高；b：消化能转化为代谢能的效率为96%；c：粗蛋白和总氨基酸需要量基于玉米-豆粕型日粮；d：根据生长模型的计算值。表5 生长猪日粮矿物质、维生素和亚油酸需要量（自由采食，日粮90%干物质）a指标单位体重（kg）35510102020505080平均体重kg47.5153565消化能kcal/kg34003400340034003400代谢能kcal/kgb32653265326
