• Methane emissions from reindeer - do reindeer fed lichens emit less methane than reindeer on a pelleted feed diet? 

      Hansen, Kia Krarup (Master thesis; Mastergradsoppgave, 2012-11-18)
      Microbial fermentation in the world domesticated ruminant populations is thought to be responsible for as much as 13.5-33% of the global anthropogenic methane (CH4) emissions (World Resources Institute 2005, EPA 2004, Bodas et al., 2012). However, methane also represents a loss of 2-15% of the gross energy intake in these animals (Blaxter and Clapperton 1965, Holter and Young 1992, Johnson and Ward ...