Energy requirements for maintenance and lactation in Holstein Friesian dairy cattle

Dorien Van Wesemael, J. Dijkstra, A.T.M. van Knegsel, W.F. Pellikaan, S. van Gastelen, N.T. Huyen, Johan De Boever, Wouter Spek

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureC3: Congres abstractpeer review

Uittreksel

The current energy evaluation system for dairy cattle in the Netherlands and Belgium already dates from the seventies (Van Es, 1975). As production potential of Holstein Friesian (HF) cows has increased a lot in the past decades, an update of the energy evaluation system is desirable. A recent study from Spek and Šebek (2019) indeed indicated increased maintenance energy requirements in modern HF cows. The aim of the current study was to derive the energy requirements for maintenance and the efficiency factors of metabolizable energy (ME) utilization in modern HF dairy cattle, based on a large database with energy balance studies in climate-controlled respiration chambers.
Oorspronkelijke taalEngels
TitelAnimal - science proceedings : 7th EAAP International Symposium on Energy and Protein Metabolism
Aantal pagina’s1
Volume13
Plaats productieGranada
Publicatiedatum2022
Uitgave3
DOI's
PublicatiestatusGepubliceerd - 2022

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