Abstract
Dairy farming is the largest agricultural contributor to greenhouse gas emissions in Europe. In this study, the carbon footprint of organic dairying was evaluated by means of a life cycle assessment, based on real farm data from six European countries: Austria, Belgium, Denmark, Finland, Italy and United Kingdom. A total of 34 farms were analysed. The assessment was carried out using an attributional approach with system boundaries from cradle to farm gate. In relation to dairy production, a functional unit of 1 kg of energy corrected milk was used. The results gave an average of 1.32 kg CO2 equivalents per kilogramme of energy-corrected milk with standard deviation of 0.22, which is consistent with recent studies. The main contributor to this is enteric fermentation from producing animals, resulting in 45 % of total GHG emissions, which is also consistent with previous studies.
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Acknowledgments
Funding from the European Community’s Seventh Framework Programme (FP7/ 2007–2013) was received for the research leading to these results, under grant agreement no. FP7-266367 (SOLID-Sustainable Organic and Low Input Dairying). For further details, see www.solidairy.eu.
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Hietala, S., Smith, L., Knudsen, M.T. et al. Carbon footprints of organic dairying in six European countries—real farm data analysis. Org. Agr. 5, 91–100 (2015). https://doi.org/10.1007/s13165-014-0084-0
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DOI: https://doi.org/10.1007/s13165-014-0084-0