Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 539427
Title Decoupling Livestock from Land Use through Industrial Feed Production Pathways
Author(s) Pikaar, Ilje; Matassa, Silvio; Bodirsky, Benjamin L.; Weindl, Isabelle; Humpenöder, Florian; Rabaey, Korneel; Boon, Nico; Bruschi, Michele; Yuan, Zhiguo; Zanten, Hannah van; Herrero, Mario; Verstraete, Willy; Popp, Alexander
Source Environmental Science and Technology 52 (2018)13. - ISSN 0013-936X - p. 7351 - 7359.
DOI https://doi.org/10.1021/acs.est.8b00216
Department(s) WIAS
Animal Production Systems
Publication type Refereed Article in a scientific journal
Publication year 2018
Abstract

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.

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