Ruminally Protected Isoleucine, Leucine, Methionine, and Threonine Supplementation of Low-Protein Diets Improved the Performance and Nitrogen Efficiency of Dairy Cows

Ruminally Protected Isoleucine, Leucine, Methionine, and Threonine Supplementation of Low-Protein Diets Improved the Performance and Nitrogen Efficiency of Dairy Cows

This study evaluated the effects of supplementing rumen-protected methionine, threonine, isoleucine, and leucine to low-protein diets on lactating dairy cow performance. Sixty Holstein cows were assigned to one of four dietary treatments in a 9-week randomized complete block design: positive control...

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Bibliographic Details
Main Authors: Xiaoli Qin, Xueyan Lin, Mark D. Hanigan, Kai Zhao, Zhiyong Hu, Yun Wang, Qiuling Hou, Zhonghua Wang
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Animals
Subjects:
rumen-protected amino acid
nitrogen balance
milk performance
low protein diets
mTORC1
Online Access:https://www.mdpi.com/2076-2615/15/9/1210
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