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Trouble with organic is that those cows live longer, hence cause about 60% more Methan emissions, till they are slaughtered.

• tom_mellior 7y ago
  > Trouble with organic is that those cows live longer Interesting. Do you have a source? I don't see a good reason for this off the top of my head.
  • dagw 7y ago
    At a guess cows that are grass fed and not given growth hormones grow much slower and thus take longer to reach 'slaughtering' weight.
    • tom_mellior 7y ago
      Good point, thanks. The 60% number cited above does seem oddly specific, like it would come from a concrete source. Though as others in this thread have pointed out, methane seems to be less of an issue than it's sometimes made out to be.
      • mklarmann 7y ago
        The 60% is indeed what we studied for cows here in Switzerland. It is clearly related to the amount of time they live longer (18 instead of 11 month). You can check the source here: http://www.eaternity.org/blog/smart-chefs-research-results http://www.eaternity.org/blog/smart-chefs-research-results