2022
DOI: 10.1038/s43016-022-00589-6
|View full text |Cite
|
Sign up to set email alerts
|

Food system by-products upcycled in livestock and aquaculture feeds can increase global food supply

Abstract: Many livestock and aquaculture feeds compete for resources with food production. Increasing the use of food system by-products and residues as feed could reduce this competition. We gathered data on global food system material flows for crop, livestock and aquaculture production, focusing on feed use and the availability of by-products and residues. We then analysed the potential of replacing food-competing feedstuff—here cereals, whole fish, vegetable oils and pulses that account for 15% of total feed use—wit… Show more

Help me understand this report
View preprint versions

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1
1
1

Citation Types

4
74
0
1

Year Published

2022
2022
2024
2024

Publication Types

Select...
8
1

Relationship

0
9

Authors

Journals

citations
Cited by 91 publications
(79 citation statements)
references
References 67 publications
4
74
0
1
Order By: Relevance
“…Around 12.9% of the saved land would be required to replace exports only (S1) (perhaps keeping prices stable). Other work suggests the global crop area would need to increase by 11.1 Mha to replace Ukraine grain crop exports alone, similar to our estimates 6 . If all spared land was restored to antecedent natural vegetation, we would see a broad swathe of environmental benefits, including reductions in emissions (0.25 GtCO 2 e yr −1 ) and blue water consumption (7.9bn m 3 yr −1 ) (S0) (Supplementary Fig.…”
Section: Brief Communicationsupporting
confidence: 85%
See 1 more Smart Citation
“…Around 12.9% of the saved land would be required to replace exports only (S1) (perhaps keeping prices stable). Other work suggests the global crop area would need to increase by 11.1 Mha to replace Ukraine grain crop exports alone, similar to our estimates 6 . If all spared land was restored to antecedent natural vegetation, we would see a broad swathe of environmental benefits, including reductions in emissions (0.25 GtCO 2 e yr −1 ) and blue water consumption (7.9bn m 3 yr −1 ) (S0) (Supplementary Fig.…”
Section: Brief Communicationsupporting
confidence: 85%
“…Ukraine is often described as the European Union's breadbasket, and the European Union is heavily exposed to this conflict-driven food shock. Recent work estimates that a 50% grain export reduction from Russia and no Ukrainian exports would increase prices by 4.6% and 7.2% for maize and wheat, respectively 6 . This shock has also propagated to other countries through international markets, with Indonesia and India banning palm oil and wheat exports, respectively, in an effort to stabilize domestic prices.…”
mentioning
confidence: 99%
“…Without fodder crops there is insufficient non-food-competing feedstuff available to feed the number of animals needed to meet current supply (in line with refs. 18,19) of animal protein (CirAgri) or to meet all nutritional requirements (for example, vitamin B12) (CirHealth and CirPop+).…”
Section: Agricultural Land Use Changes Needed For Circularitymentioning
confidence: 99%
“…This, linked with the fact that over one million people do not have a sufficient level of nutrition and a substantial change in land use [ 39 ], reducing the environmental impact of both the agri-food sector and livestock farming is crucial to improve the sustainability of them over the years [ 9 ]. It is worth mentioning that up to 40% of all arable land is used to produce animal feeds, resulting in a food-feed competition [ 40 ]. Thus, increasing food system circularity can help to reduce the pressure on the food chain.…”
Section: Discussionmentioning
confidence: 99%