Knowledge for better food systems

Showing results for: Animal feed

Image: Claude Covo-Farchi, Mussels at Trouville fish market, Wikimedia Commons, Creative Commons Attribution-Share Alike 2.0 Generic
17 July 2018

Our thanks go to FCRN member Emma Garnett for bringing to our attention a recent paper that investigates how land use could change if consumption were to shift away from meat and towards seafood from aquaculture. Aquaculture systems frequently use feed that is made from land-based crops. The paper studied two aquaculture-heavy scenarios (one using only marine aquaculture, and one using the current ratio of marine to freshwater aquaculture) where all additional meat consumption in 2050 (compared to today) is replaced by aquaculture products. Compared to a business-as-usual scenario for 2050, the aquaculture scenarios use around one-fifth less land to produce feed crops, because of the relative efficiency of aquatic organisms (compared to land-based animals) in converting feed into food that can be eaten by humans.

Image: Bob Blaylock, Saccharomyces cerevisiae — baker's yeast, Wikimedia Commons, Creative Commons Attribution-Share Alike 3.0 Unported
10 July 2018

A new paper has estimated the economic and environmental potential of feeding livestock with industrially-fermented microbes such as bacteria, yeast, fungi and algae instead of crop-based feed. The study finds that microbial protein could replace 10-19% of crop-based animal feed protein, with decreases in land use, climate impact and nitrogen pollution.

Image: Image: Felix_Broennimann, Pig domestic suckle, Pixabay, CC0 Creative Commons
26 June 2018

This paper, by FCRN member Hannah van Zanten (and whose authors include FCRN director Tara Garnett), calculates that a food system where livestock are fed only on food waste and industrial and agricultural by-products could provide 9 to 23 g of animal protein to the daily human diet (compared to daily protein needs of 50 to 60 g per person) while using one quarter less land than a food system with no livestock. The paper notes that the waste-fed livestock system could allow people in Asia and Africa to increase their consumption of animal protein, but that current consumption levels in other areas are higher than would be possible under a waste-fed livestock system.

4 June 2018

FCRN member Afton Halloran has edited this book, which outlines the role of edible insects in food systems around the world. Topics include nutrition, consumer acceptance, environmental impacts, using insects as animal feed and legal regulation.

Image: Jim Champion, Pig, Flickr, Creative Commons Attribution-ShareAlike 2.0 Generic
30 April 2018

FCRN member Erasmus zu Ermgassen has found that in a survey of farmers and other stakeholders, more than 75% of them would support re-legalising the use of swill (cooked waste food) as animal feed. Half of all pig farmers said they would consider using swill on their farm, were it re-legalised and safe heat-treatment procedures introduced. Erasmus has written a blog post to explain the topic.

24 April 2018

Eating Better has published a new report setting out their suggested approach to eating “less and better” meat and dairy. They set out eight principles, including: eat less meat and dairy; reduce waste; choose smaller scale, higher standard producers; and avoid livestock fed on imported feedstuffs such as soy. The report also includes a guide to assurance and labelling schemes to help people choose better meat and dairy.

24 April 2018

A new report, The Avoidable Crisis, finds that large-scale deforestation, fires and human rights abuses are linked to soy plantations and the global meat industry.

20 February 2018

This short white paper, produced for the World Economic Forum Annual Meeting 2018 in Davos-Klosters, explores some issues around the production and consumption of meat.

Image: Bytemarks, Aquaculture, Flickr, Creative Commons Attribution 2.0 Generic
20 February 2018

Fish are generally seen as more efficient in converting feed into food than land-based species, but, according to a new paper, this conclusion does not hold if the retention of protein and calories is accounted for using a different measure.

Image: U.S. Department of Agriculture, 20180124-OSEC-PJK-1015_TONED_1, Flickr, Creative Commons Public Domain Mark 1.0
6 February 2018

The Protein Challenge 2040's new report, 'The feed behind our food', sets out why retailers and food service businesses should act on sustainability in animal feed.

Photo: 20130712-AMS-LSC-0396, US Department of Agriculture, Flickr, Public Domain Mark 1.0
6 February 2018

This study by researchers in the US used a theoretical approach to work out how much beef could be produced in the US if the cows were raised solely on pasturelands and by-products, and what the environmental and nutritional ramifications of repurposing the freed up cropland would be.

Photo: Jon Oropeza, Flickr, Creative Commons License 2.0
1 February 2018

This blog by researchers Cedric Simon and Ha Truong from CSIRO Agriculture & Food discusses a method they have developed to reduce the amount of wild fish needed for prawn feed.

12 December 2017

Scientists from national academies across Europe are calling for urgent action on food and nutrition in a new independent report published by the European Academies’ Science Advisory Council (EASAC). This analysis can be relevant for policy-makers working on food, nutrition, health, the environment, climate change, and agriculture.

28 November 2017

The top five mega-corporations responsible for factory-farmed meat and dairy are responsible for emitting more combined greenhouse gases (GHGs) than Exxon, or Shell, or BP. That is according to findings released in a joint study undertaken by IATP and GRAIN.

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