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Environmental impact of dairy buffalo heifers kept on pasture or in confinement

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  • Sabia, Emilio
  • Napolitano, Fabio
  • Claps, Salvatore
  • De Rosa, Giuseppe
  • Barile, Vittoria Lucia
  • Braghieri, Ada
  • Pacelli, Corrado

Abstract

In western countries buffaloes are emerging as an alternative species for dairy product differentiation. In the near future dairy enterprises will have to meet increasing environmental regulations. Life Cycle Assessment has been widely used to assess the environmental impact of different milk production systems. We aimed to examine the environmental consequences of two dairy buffalo heifer farming systems using the Life Cycle Assessment approach. The primary data were collected from 32 subjects aged 7–8months at the start of the experiment until they reached the age of puberty in about 12months (i.e. at the age of 19–20months). Sixteen animals were group-housed and confined in an indoor slatted floor pen (4m2/animal) with an outdoor paddock (4m2/animal); 16 others free-ranged on a Mediterranean natural pasture. The environmental charges for global warming potential expressed in terms of total emissions of carbon dioxide equivalent (CO2-eq) was 35.7% less in the free-ranging system as compared with the confined system. The main source of pollution for the confined system was biogenic methane (total amount produced=2012kg CO2-eq) followed by CO2 from fossil fuels (total amount produced=1006kg CO2-eq). The environmental charges for acidification potential, eutrophication potential and non-renewable energy use were 86.3%. 60.0% and 81.4% lower in the free-ranging system compared with the confined system, respectively. In the confined system the largest pollutant in terms of acidification potential was ammonia, whereas nitrate leaching in water (total amount produced=3311g SO2-eq) and the use of crude oil (total amount consumed=5684MJ-eq) were the most relevant for eutrophication potential and non-renewable energy use, respectively.

Suggested Citation

  • Sabia, Emilio & Napolitano, Fabio & Claps, Salvatore & De Rosa, Giuseppe & Barile, Vittoria Lucia & Braghieri, Ada & Pacelli, Corrado, 2018. "Environmental impact of dairy buffalo heifers kept on pasture or in confinement," Agricultural Systems, Elsevier, vol. 159(C), pages 42-49.
    • Handle: RePEc:eee:agisys:v:159:y:2018:i:c:p:42-49
    DOI: 10.1016/j.agsy.2017.10.010
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    1. Thomassen, M.A. & van Calker, K.J. & Smits, M.C.J. & Iepema, G.L. & de Boer, I.J.M., 2008. "Life cycle assessment of conventional and organic milk production in the Netherlands," Agricultural Systems, Elsevier, vol. 96(1-3), pages 95-107, March.
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    3. Nazzareno Diodato & Massimo Fagnano & Ines Alberico & Giovanni Chirico, 2011. "Mapping soil erodibility from composed data set in Sele River Basin, Italy," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 58(1), pages 445-457, July.
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    1. Oliveira, M. & Zucaro, A. & Santagata, R. & Ulgiati, S., 2022. "Environmental assessment of milk production from local to regional scales," Ecological Modelling, Elsevier, vol. 463(C).
    2. Oliveira, Mariana & Cocozza, Annalisa & Zucaro, Amalia & Santagata, Remo & Ulgiati, Sergio, 2021. "Circular economy in the agro-industry: Integrated environmental assessment of dairy products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 148(C).
    3. Emilio Sabia & Sarah Kühl & Laura Flach & Christian Lambertz & Matthias Gauly, 2020. "Effect of Feed Concentrate Intake on the Environmental Impact of Dairy Cows in an Alpine Mountain Region Including Soil Carbon Sequestration and Effect on Biodiversity," Sustainability, MDPI, vol. 12(5), pages 1-14, March.
    4. Elio Romano & Pasquale De Palo & Flavio Tidona & Aristide Maggiolino & Andrea Bragaglio, 2021. "Dairy Buffalo Life Cycle Assessment (LCA) Affected by a Management Choice: The Production of Wheat Crop," Sustainability, MDPI, vol. 13(19), pages 1-20, October.
    5. Andrea Bragaglio & Ada Braghieri & Corrado Pacelli & Fabio Napolitano, 2020. "Environmental Impacts of Beef as Corrected for the Provision of Ecosystem Services," Sustainability, MDPI, vol. 12(9), pages 1-15, May.

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