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Article

Prediction of residual feed intake for first-lactation dairy cows using orthogonal polynomial random regression.

Journal of dairy science - 1 Jan 2013

Manafiazar G, McFadden T, Goonewardene L, Okine E, Basarab J, Li P, Wang Z

Abstract excerpt

Residual Feed Intake (RFI) is a measure of energy efficiency. Developing an appropriate model to predict expected energy intake while accounting for multifunctional energy requirements of metabolic body weight (MBW), empty body weight (EBW), milk production energy requirements (MPER), and their nonlinear lactation profiles, is the key to successful prediction of RFI in dairy cattle. Individual daily actual energy...

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PMID: 24124653
DOI: 10.3168/jds.2013-6560

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