New feeds and feeding systems for forage-fed ruminant livestock

There is growing public concern about the contribution of livestock production to global environmental issues. This article focuses on potential new feed and feeding systems intended to make forage-fed ruminant livestock systems more sustainable. With a growing global human population and increasing global demand for meat and milk as societies become more affluent, the direct and indirect contribution that livestock production makes to greenhouse gas (GHG) and other pollutant emissions are we