日粮能氮比对燕山绒山羊生长性能及 营养物质表观消化率的影响 |
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| 张继伟,高昆,张英杰,刘月琴,段春辉 | ||||||||||||||||
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Effects of Diets with Energy-to-Nitrogen Rations on Growth Performance and Nutrients Apparent Digestibility in Growing Yanshan Cashmere Goat |
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| ZHANG JiWei,GAO Kun,ZHANG YingJie,LIU YueQin,DUAN ChunHui | ||||||||||||||||
| 表1 试验设计方案 |
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| Table 1 The experimental design |
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