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Development of enteric methane emission factors for Holstein-Friesian and Norwegian first lactation cows 期刊论文
ACTA AGRICULTURAE SCANDINAVICA SECTION A-ANIMAL SCIENCE, 2015, 卷号: 65, 期号: 3-4, 页码: 127-131
作者:  Chen, XJ;  Yan, T
收藏  |  浏览/下载:3/0  |  提交时间:2017/01/10
Evaluating nitrogen utilization efficiency of nonpregnant dry cows offered solely fresh cut grass at maintenance levels 期刊论文
JOURNAL OF ANIMAL SCIENCE, 2015, 卷号: 93, 期号: 2, 页码: 709-720
作者:  Stergiadis, S;  Chen, XJ;  Allen, M;  Wills, D;  Yan, T
收藏  |  浏览/下载:6/0  |  提交时间:2017/01/10


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