ArticleComparison of the National Research Council Energy System for Lactating Cows with Four European Systems
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Key words
feeding system
metabolizable energy
net energy
lactation
Abbreviation key
DE
digestible energy
GE
gross energy
kl
efficiency of ME utilization for lactation
ME
metabolizable energy
OMD
OM digestibility
×
times maintenance feeding level
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Copyright © 1998 American Dairy Science Association. Published by Elsevier Inc. All rights reserved.