Reduced dietary nitrogen with a high Lys:CP ratio restricted dietary N excretion without negatively affecting weaned piglets

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期刊论文

作者：

Liu, Hongnan;Wu, Li;Han, Hui;Li, Yuying;Wang, Lijian;...

通讯作者：

Li, Tiejun;Huang, Xingguo;Yao, Jiming

作者机构：

[Bai, Miaomiao; Liu, Hongnan; Wang, Lijian; Li, Tiejun; Han, Hui; Yin, Jie; Li, Yuying; Wu, Li] Chinese Acad Sci, Hunan Prov Key Lab Anim Nutr Physiol & Metab Proc, Key Lab Agroecol Proc Subtrop Reg,Inst Subtrop Ag, Natl Engn Lab Pollut Control & Waste Utilizat Liv, Changsha 410125, Hunan, Peoples R China.

[Huang, Xingguo; Li, Tiejun; Liu, Hongnan] Hunan Coinnovat Ctr Anim Prod Safety, Changsha 410128, Hunan, Peoples R China.

[Wang, Lijian; Li, Tiejun; Yin, Jie; Li, Yuying; Wu, Li] Univ Chinese Acad Sci, Beijing 100039, Peoples R China.

[Huang, Xingguo; Li, Tiejun; Han, Hui] Hunan Agr Univ, Dept Anim Sci, Changsha 410128, Hunan, Peoples R China.

[Yao, JM; Li, Tiejun; Yao, Jiming; Fan, Wenjun] Guangdong Wangda Grp Co Ltd, Guangdong Wangda Grp Academician Workstn Clean Fe, Guangzhou 510663, Guangdong, Peoples R China.

通讯机构：

[Li, Tiejun] C

[Huang, XG; Li, TJ] H

[Li, Tiejun] U

[Yao, JM; Li, TJ] G

Chinese Acad Sci, Hunan Prov Key Lab Anim Nutr Physiol & Metab Proc, Key Lab Agroecol Proc Subtrop Reg,Inst Subtrop Ag, Natl Engn Lab Pollut Control & Waste Utilizat Liv, Changsha 410125, Hunan, Peoples R China.

语种：

英文

关键词：

Digestion;Feeding;Genetic mapping;Lysine;Nutrition;Protein

期刊：

动物营养(英文)

ISSN：

2405-6545

年：

2019

卷：

期：

页码：

115-123

DOI：

10.1016/j.aninu.2019.01.001

基金类别：

China Basic Research ProgramNational Basic Research Program of China [2013CB127301]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31472106, 31501964]; Natural Science Foundation of Hunan Province of ChinaNatural Science Foundation of Hunan Province [2018JJ3579]; Ministry of Science and Technology of the People's Republic of ChinaMinistry of Science and Technology, China [2013BAD21B04]; Key Programs of frontier scientific research of the Chinese Academy of Sciences [QYZDY-SSW-SMC008]; Youth Innovation Team Project of ISA, CAS [2017QNCXTD_TBE]; China Agriculture Research System [CARS-35]; Public Service Technology Center, Institute of Subtropical Agriculture, Chinese Academy of Sciences

机构署名：

本校为通讯机构

院系归属：

动物科学技术学院

摘要：

We hypothesized that balancing the content of exogenous amino acids, especially lysine, to reduce protein content in swine diets could reduce nitrogen (N) pollution associated with animal husbandry. Two experiments (45 d each experiment) were performed on weaned piglets (Duroc × Landrace × Yorkshire, 28 d of age) to test this and to determine the optimal lysine to crude protein (Lys:CP) ratio in diet. In Exp. 1, 12 piglets (6 replicates [n = 6]) were fed diets containing different levels of CP (17% and 20%) but the same level of Lys. Increase...

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Reduced dietary nitrogen with a high Lys:CP ratio restricted dietary N excretion without negatively affecting weaned piglets

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