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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Decoupling Livestock from Land Use through Industrial Feed Production Pathways
Environmental Science and Technology, Volume 52, No. 13, Year 2018
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Description
One of the main challenges for the 21st century is to balance the increasing demand for high-quality proteins while mitigating environmental impacts. In particular, cropland-based production of protein-rich animal feed for livestock rearing results in large-scale agricultural land-expansion, nitrogen pollution, and greenhouse gas emissions. Here we propose and analyze the long-term potential of alternative animal feed supply routes based on industrial production of microbial proteins (MP). Our analysis reveals that by 2050, MP can replace, depending on socio-economic development and MP production pathways, between 10-19% of conventional crop-based animal feed protein demand. As a result, global cropland area, global nitrogen losses from croplands and agricultural greenhouse gas emissions can be decreased by 6% (0-13%), 8% (-3-8%), and 7% (-6-9%), respectively. Interestingly, the technology to industrially produce MP at competitive costs is directly accessible for implementation and has the potential to cause a major structural change in the agro-food system. Copyright © 2018 American Chemical Society.
Authors & Co-Authors
Bodirsky, Benjamin Leon
Germany, Potsdam
Potsdam Institut Fur Klimafolgenforschung
Humpenöder, Florian
Germany, Potsdam
Potsdam Institut Fur Klimafolgenforschung
Rabaey, Korneel
Belgium, Ghent
Universiteit Gent
Boon, Nico
Belgium, Ghent
Universiteit Gent
Yuan, Zhiguo
Australia, Brisbane
The University of Queensland
van Zanten, Hannah H.E.
Netherlands, Wageningen
Wageningen University & Research
Herrero, Mario
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Popp, Alexander
Germany, Potsdam
Potsdam Institut Fur Klimafolgenforschung
Statistics
Citations: 110
Authors: 8
Affiliations: 5
Identifiers
Doi:
10.1021/acs.est.8b00216
ISSN:
0013936X
Research Areas
Environmental
Food Security