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Effect of regrowth period for perennial ryegrass on yield and nutritive value of grass

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During an eight-week period, perennial ryegrass was harvested at early and late maturity stage, corresponding to three and five weeks of regrowth. Each week, growth rate and stem proportion were determined, and chemical composition was analysed. During the experimental period, longer regrowth period resulted in increased growth rate and a lower nutritive quality of the grass. Irrespective of regrowth period, there was a large variation in growth rate and chemical composition, and thereby also in nutritive quality throughout the experiment. When optimising cutting strategy, these relations should be assessed in conjunction with the effects on feed intake and milk performance when grass is fed to dairy cows.
Original languageEnglish
Title of host publicationMeeting the future demands for grassland production : Proceedings of the 28th General Meeting of the European Grassland Federation Helsinki, Finland 19-22 October 2020
EditorsP. Virkajärvi, K. Hakala, M. Hakojärvi, J. Helin, I. Herzon, V. Jokela, S. Peltonen, M. Rinne, M. Seppänen, J. Uusi-Kämppä
Number of pages3
PublisherWageningen Academic Publishers
Publication year2020
Pages267-269
ISBN (print)978-952-326-944-6
ISBN (Electronic)978-952-326-945-3
Publication statusPublished - 2020
Event28th General Meeting of European Grassland Federation (EGF): Meeting the future demands for grassland production - Zoom, Online, Helsinki, Finland
Duration: 19 Oct 202021 Oct 2020
https://www.helsinki.fi/en/conferences/28th-general-meeting-of-european-grassland-federation

Conference

Conference28th General Meeting of European Grassland Federation (EGF)
LocationZoom, Online
LandFinland
ByHelsinki
Periode19/10/202021/10/2020
Internetadresse
SeriesGrassland Science in Europe
Volume25

    Research areas

  • perennial ryegrass, growth rate, organic matter digestibility, stem proportion

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