Relationship Between Nitrogen Isotopic Discrimination and the Proportion of Dietary Nitrogen Excreted in Urine by Sheep Offered Different Levels of Dietary Non-Protein Nitrogen

Relationship Between Nitrogen Isotopic Discrimination and the Proportion of Dietary Nitrogen Excreted in Urine by Sheep Offered Different Levels of Dietary Non-Protein Nitrogen

Urinary nitrogen (N) excretion (UN) as a proportion of N intake (NI; UN/NI) is a major determinant of N excretion from ruminants and could be predicted from the N isotopic discrimination occurring between dietary and animal proteins (Δ15N). This study investigated the usefulness of Δ15N and other pl...

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Bibliographic Details
Main Authors: Hassan Khanaki, Richard J. Dewhurst, Brian J. Leury, Gonzalo Cantalapiedra-Hijar, Long Cheng
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Animal Science
Subjects:
sheep production
nitrogen utilization
nitrogen isotope
urinary nitrogen
urea supplementation
Online Access:https://www.frontiersin.org/articles/10.3389/fanim.2022.911673/full

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