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[饲料总能、可消化能量和代谢能以及能量起始对淀粉和糖方面可消化养分含量的依赖性。对能量饲料评价进一步发展的贡献。2. 牛的研究结果]

[Dependence of gross energy, digestible and metabolizable energy of feed and the energy onset on the content of digestible nutrients in regard to starch and sugar. A contribution to the further development of energetic feed evaluation. 2. Results from studies of cattle].

作者信息

Hoffmann L, Jentsch W, Beyer M

机构信息

Forschungsinstitut für die Biologie landwirtschaftlicher Nutztiere, Rostock, Germany.

出版信息

Arch Tierernahr. 1993;44(3):235-50. doi: 10.1080/17450399309386073.

DOI:10.1080/17450399309386073
PMID:8215897
Abstract

On the basis of an analysis of energy metabolism measurements on adult cattle (oxen), fed on 110 rations with very heterogeneous nutrient composition, the following prediction equations for gross energy (y1), digestible (y2) and metabolizable energy (y3) as well as for energy deposition effect of rations (y) (kJ) are presented: y1 = 23.6z1 + 34.0z2 + 17.3z3 + 16.0z4 + 19.1z5 y2 = 23.6x1 + 34.0x2 + 17.3x3 + 16.0x4 + 18.0x5 y3 = 17.3x1 + 34.0x2 + 15.9x3 + 15.1x4 + 15.4x5 y = (6.5x + 26.6x2 + 10.1x3 + 7.5x4 + 8.9x5) (-0.5574 + 0.04050x6 - 0.0002633x6(2)) [table: see text]

摘要

基于对成年牛（公牛）能量代谢测量的分析，这些成年牛被投喂了110种营养成分差异很大的日粮，得出了以下关于总能（y1）、可消化能（y2）、代谢能（y3）以及日粮能量沉积效应（y）（千焦）的预测方程：y1 = 23.6z1 + 34.0z2 + 17.3z3 + 16.0z4 + 19.1z5；y2 = 23.6x1 + 34.0x2 + 17.3x3 + 16.0x4 + 18.0x5；y3 = 17.3x1 + 34.0x2 + 15.9x3 + 15.1x4 + 15.4x5；y = (6.5x + 26.6x2 + 10.1x3 + 7.5x4 + 8.9x5) (-0.5574 + 0.04050x6 - 0.0002633x6(2)) [表格：见正文]

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