Genetic background in partitioning of metabolizable energy efficiency in dairy cows.

doi:10.3168/jds.2017-13936

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Article

Genetic background in partitioning of metabolizable energy efficiency in dairy cows.

Journal of dairy science - 1 May 2018

Mehtiö T, Negussie E, Mäntysaari P, Mäntysaari E A, Lidauer M H

Abstract excerpt

The main objective of this study was to assess the genetic differences in metabolizable energy efficiency and efficiency in partitioning metabolizable energy in different pathways: maintenance, milk production, and growth in primiparous dairy cows. Repeatability models for residual energy intake (REI) and metabolizable energy intake (MEI) were compared and the genetic and permanent environmental variations in MEI...

Topics

Animals
Body Weight
Cattle
Diet
Energy Intake
Energy Metabolism
Female
Lactation
Milk
Parity
Phenotype
Pregnancy

Source

Open in PubMed

Identifiers

PMID: 29477533
DOI: 10.3168/jds.2017-13936

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