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Technical note: Nitrogen isotopic fractionation can be used to predict nitrogen-use efficiency in dairy cows fed temperate pasture

Cheng, Paul; Sheahan, A. J.; Gibbs, Steven J.; Rius, A. G.; Kay, J. K.; Meier, S.; Edwards, Grant; Dewhurst, Richard J.; Roche, J. R. (Oxford University Press on behalf of the American Society of Animal Science, 2013-12)

The objective of this study was to investigate the relationship between nitrogen isotopic fractionation (δ¹⁵N) and nitrogen-use efficiency (milk nitrogen/nitrogen intake; NUE) in pasture-fed dairy cows supplemented with ...