| 奶牛蛋白质和氨基酸营养研究综述 |
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| 引用本文： | 周期,金宜全,杨志强,张峥臻,龚诣,苏衍菁,浦欣倩,陈伟.奶牛蛋白质和氨基酸营养研究综述[J].中国奶牛,2021(3):9-13,14. |
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| 作者姓名： | 周期 金宜全 杨志强 张峥臻 龚诣 苏衍菁 浦欣倩 陈伟 |
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| 作者单位： | 光明牧业有限公司;上海奶牛研究所有限公司 |
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| 基金项目： | 夏季优质生鲜乳生产关键技术的研究示范[沪农科推字(2019)第1-2号]。 |
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| 摘 要： | 提高饲料氮的利用率一直以来都是动物营养学家们致力于蛋白质营养研究的初衷。本文从饲料粗蛋白、非蛋白氮及瘤胃氨的利用、尿素循环、牧草中的蛋白、限制性氨基酸平衡以及牛奶尿素氮六个方面入手,对1917年美国《Journal of Dairy Science》(乳业科学)杂志创办以来奶牛营养学家们所做的探索和发现进行了概述,以期为进一步提高奶牛饲料氮的利用率提供参考。
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| 关 键 词： | 蛋白质 氨基酸 利用率 奶牛 综述 |
A Review of Protein and Amino Acid Nutrition Research in Dairy Cows |
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| ZHOU Qi,JIN Yi-quan,YANG Zhi-qiang,ZHANG Zheng-zhen,GONG Yi,SU Yan-jing,PU Xin-qian,CHEN Wei.A Review of Protein and Amino Acid Nutrition Research in Dairy Cows[J].China Dairy Cattle,2021(3):9-13,14. |
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| Authors: | ZHOU Qi JIN Yi-quan YANG Zhi-qiang ZHANG Zheng-zhen GONG Yi SU Yan-jing PU Xin-qian CHEN Wei |
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| Institution: | (Bright Farming Co.,Ltd,Shanghai 200436;Shanghai Institute of Dairy Science,Shanghai 200436) |
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| Abstract: | Improving the utilization of feed nitrogen has always been the original intention of animal nutritionists dedicated to protein nutrition research.This article contains six aspects content of feed crude protein,non-protein nitrogen and rumen ammonia utilization,urea cycle,forage protein,restrictive amino acid balance,and milk urea nitrogen.And it provides an overview of the explorations and discoveries made by dairy nutritionists since the foundation of the Journal of Dairy Science in 1917.It is expected to be a reference for dairy cattle practitioners and dairy nutritionist to further improve the utilization of nitrogen in feed. |
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| Keywords: | Protein Amino acid Utilization Dairy cows Review |
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