The Role of Biofuels Coproducts in Feeding the World Sustainably

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21 Scopus citations


One of the grand challenges facing our society today is finding solutions for feeding the world sustainably. The food-versus-fuel debate is a controversy embedded in this challenge, involving the trade-offs of using grains and oilseeds for biofuels production versus animal feed and human food. However, only 6% of total global grain produced is used to produce ethanol. Furthermore, biofuels coproducts contribute to sustainability of food production because only 1% to 2.5% of the overall energy efficiency is lost from converting crops into biofuels and animal feed, and approximately one-third of the corn used to produce ethanol is recovered as feed coproducts. Extensive research has been conducted over the past 15 years on biofuels coproducts to (a) optimize their use for improving caloric and nutritional efficiency in animal feeds, (b) identify benefits and limitations of use in various animal diets, (c) characterize their unique nutraceutical properties, and (d) evaluate their environmental impacts.

Original languageEnglish (US)
Pages (from-to)229-254
Number of pages26
JournalAnnual Review of Animal Biosciences
StatePublished - Feb 8 2017

Bibliographical note

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Copyright ©2017 by Annual Reviews. All rights reserved.


  • Animal nutrition
  • Biofuels coproducts
  • Distillers grains with solubles
  • Environmental impacts
  • Ethanol production
  • Feed safety


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