Using crop residues/by-products as livestock feed in a circular economy

Description

In this chapter, we will provide an overview of the nutrient profile of commonly used by-product feeds, how they are generated, and the limitations associated with their use in animal rations. We will focus on dried distillers’ grains with solubles (DDGS) because of its use across different livestock production systems and will specifically assess the impact of DDGS on the production performance of swine, poultry, and beef and dairy cattle and on the environment through published life-cycle analysis.

Table of contents

• 1 Introduction
• 2 Agro-industrial activities and main by-product feeds used in animal agriculture
• 3 Chemical composition and nutritional value of selected by-product feeds
• 4 Use of dried distillers grain with solubles in animal agriculture
• 5 Conclusion
• 6 Where to look for further information
• 7 References