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Issue:
Studies on the Nitrogen Conversion Rate in Fattening Steers
Author(s):
Feng Yanglian
,
Han Jifu
,
Mo fang
,
Yang Yafang
Pages:
3
-
4
Year:
1998
Issue:
5
Journal:
CHINESE JOURNAL OF ANIMAL SCIENCE
Keyword:
蛋白质维持需要
;
氮沉积量
;
氮沉积效率
;
阉牛
;
Abstract:
用3个不同梯度氮进食量的10种日粮的研究结果表明,可消化氮进食量与氮沉积之间呈线性相关(r=0.9601).当沉积氮为零时,可消化氮为0.3982g/W0.75.沉积氮/可消化氮与沉积氮量之间呈线性相关(r=0.9615),实测的沉积氮(g/W0.75)范围为0.011至0.376,沉积氮/可消化氮的范围为0.0235至0.479.维持的可消化氮需要为0.3982g/W0.75,内源尿蛋白氮为2.44g/W0.75.
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