PHOSPHORUS EFFICIENCY in Gallus gallus and Sus scrofa
Summary
The PEGaSus project (2017–2020) addresses the inefficiency of phosphorus (P) use in European monogastric livestock production, specifically pigs and chickens. With the EU importing 90% of its mineral P, the project seeks to reduce import dependency and environmental pollution by improving P bioavailability, reducing emissions from husbandry, and developing governance strategies to minimize runoff into aquatic ecosystems. Key activities include bio-economic modelling, animal and lab experiments on P utilization, and the quantification of P reuse potential from manure, bone, and slurry.
Key insights
- The European Union is highly dependent on external sources for phosphorus, importing 90% of its mineral P, which creates a vulnerability in the supply chain that could threaten EU food security.
- The PEGaSus project focuses on monogastrics, specifically pigs and chickens, because they are significant sources of phosphorus losses and major excretors of the element, despite their importance to global food security.
- The strategic objectives of the project include identifying ways to increase the digestibility and bioavailability of plant-derived P to reduce the need for supplements, as well as developing policy and technical strategies to limit P discharges and runoff into aquatic ecosystems.
- Project activities involve a multidisciplinary approach, including the creation of a bio-economic model to assess the ecological footprint and farm economics of P management, and the quantification of the economic replacement values of P reused from slurry, bone, and manure.
Cite the original document
- APA
- Stockholm Environment Institute (n.d.). PHOSPHORUS EFFICIENCY in Gallus gallus and Sus scrofa. https://www.sei.org/wp-content/uploads/2017/04/pegasus-factsheet.pdf
- Chicago
- Stockholm Environment Institute. PHOSPHORUS EFFICIENCY in Gallus gallus and Sus scrofa. n.d. https://www.sei.org/wp-content/uploads/2017/04/pegasus-factsheet.pdf.
- Wikipedia
- {{cite report |author=Stockholm Environment Institute |title=PHOSPHORUS EFFICIENCY in Gallus gallus and Sus scrofa |url=https://www.sei.org/wp-content/uploads/2017/04/pegasus-factsheet.pdf |access-date=17 August 2026 |via=Climate Insights Directory}}
- BibTeX
- @techreport{stockholmenvironmentinstitutendphosphorus, author = {{Stockholm Environment Institute}}, title = {{PHOSPHORUS EFFICIENCY in Gallus gallus and Sus scrofa}}, institution = {Stockholm Environment Institute}, url = {https://www.sei.org/wp-content/uploads/2017/04/pegasus-factsheet.pdf}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }
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