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Author Jing, Q.; Bélanger, G.; Baron, V.; Bonesmo, H.; Virkajärvi, P. url  doi
openurl 
  Title Simulating the Nutritive Value of Timothy Summer Regrowth Type Journal Article
  Year 2013 Publication Agronomy Journal Abbreviated Journal Agronomy Journal  
  Volume 105 Issue 3 Pages 563  
  Keywords varying n nutrition; cation-anion difference; spring growth; swine manure; leaf-area; nitrogen; yield; model; digestibility; dynamics  
  Abstract The process-based grass model, CATIMO, simulates the spring growth and nutritive value of timothy (Phleum pratense L.), a forage species widely grown in Scandinavia and Canada, but the nutritive value of the summer regrowth has never been simulated. Our objective was to improve CATIMO for simulating the N concentration, neutral detergent fiber (NDF), in vitro digestibility of NDF (dNDF), and in vitro true digestibility of dry matter (IVTD) of summer regrowth. Daily changes in summer regrowth nutritive value were simulated by modifying key crop parameters that differed from spring growth. More specifically, the partitioning fraction to leaf blades was increased to increase the leaf-to-weight ratio, and daily changes in NDF and dNDF of leaf blades and stems were reduced. The modified CATIMO model was evaluated with data from four independent experiments in eastern and western Canada and Finland. The model performed better for eastern Canada than for the other locations, but the nutritive value attributes of the summer regrowth across locations (range of normalized RMSE = 8-25%, slope < 0.17, R-2 < 0.10) were not simulated as well as those of the spring growth (range of normalized RMSE = 4-16%, 0.85 < slope < 1.07, R-2 > 0.61). These modeling results highlight knowledge gaps in timothy summer regrowth and prospective research directions: improved knowledge of factors controlling the nutritive value of the timothy summer regrowth and experimental measurements of leaf-to-weight ratio and of the nutritive value of leaves and stems.  
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  ISSN 0002-1962 ISBN Medium Article  
  Area Expedition Conference  
  Notes CropM, LiveM Approved no  
  Call Number MA @ admin @ Serial 4493  
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Author Virkajärvi, P.; Jing, Q.; Bélanger, G.; Baron, V.; Bonesmo, H.; Young, D. url  openurl
  Title Modeling grassland with CATIMO – focus on the second cut Type Conference Article
  Year 2013 Publication Abbreviated Journal  
  Volume 9(1) Issue Pages 9-13  
  Keywords CropM  
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  Notes Approved no  
  Call Number MA @ admin @ Serial 2881  
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Author Özkan, S.; Ahmadi, B.V.; Bonesmo, H.S.; Østerås, O.; Stott, A.; Harstad, O.M. url  openurl
  Title Impact of animal health on greenhouse gas emissions in Norwegian dairying Type Conference Article
  Year 2014 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords LiveM  
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  Area Expedition Conference International Livestock Modelling and Research Colloquium, Bilbao, Spain, 2014-10-14 to 2014-10-16  
  Notes Approved no  
  Call Number MA @ admin @ Serial 2694  
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Author Özkan, Ş.; Ahmadi, B.V.; Bonesmo, H.; Østerås, O.; Stott, A.; Harstad, O.M. url  doi
openurl 
  Title Impact of animal health on greenhouse gas emissions Type Journal Article
  Year 2015 Publication Advances in Animal Biosciences Abbreviated Journal Advances in Animal Biosciences  
  Volume 6 Issue 01 Pages 24-25  
  Keywords dairy; GHG emissions; cull rate; health; HolosNor  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2040-4700 ISBN Medium Article  
  Area Expedition Conference  
  Notes LiveM, ft_macsur Approved no  
  Call Number MA @ admin @ Serial 4573  
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Author Harstad, O.M.; Bonesmo, H.S.; Özkan, S. url  openurl
  Title MACSUR – utfordringer for husdyrproduksjon i et framtidig klima (MACSUR- Challenges for livestock production in a future climate) Type Conference Article
  Year 2014 Publication Abbreviated Journal  
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  Keywords LiveM  
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  Area Expedition Conference Bioforsk-konferansen 2014, Hamar Norway, 2014-02-01 to 2014-02-04  
  Notes Approved no  
  Call Number MA @ admin @ Serial 2466  
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