Biofuel Co-Products as Livestock Feed

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Foreword The aim of this paper is to provide a comprehensive and relevant review of research literature into the use of biofuel co-products in a range of intensively managed livestock industries. Although co-products from biodiesel production – canola and soybean meal – have been available as livestock feed for many years due to the production of vegetable oils, the planned development in Australia of an industry to produce bioethanol from cereal grains will make significant new feedstocks available to Australian livestock producers. These are the co-products of cereal ethanol production – wet distillers grain and distillers dried grain with solubles. It is important that Australian livestock producers and their advisors recognise the possibilities as well as the limits to using these newly available livestock feeds, particularly if the production of ethanol impacts on the availability and price of feed grains. It is also important that those proposing to build ethanol plants in Australia recognise the value for their business and for livestock producers of producing quality co-products from the grain they use in the production of ethanol. To do this will require the installation and the operation of the best available new technology. This report provides more detail on aspects of biofuel co-products for livestock that is provided in the synthesis report “Biofuels in Australia – issues and prospects” (O’Connell et al 2007). This research was funded from RIRDC Core Funds (which are provided by the Australian Government) in partnership with CSIRO’s Energy Transformed Flagship (www.csiro.au/csiro/channel/ppch1d.html). Most of our publications are available for viewing, downloading or purchasing online through our website: • downloads at www.rirdc.gov.au/fullreports/index.html • purchases at www.rirdc.gov.au/eshop Peter O’Brien Managing Director Rural Industries Research and Development Corporation iii
Abbreviations ADF ADG AID CDS CF CIE CO 2 CP CSIRO CV DDGS DE DG DM DMB DMI EPA kg kt Mcal ME MJ MLA N NEg NDF NSW RIRDC SWDGS TMD TS USA WDG WDGS Acid detergent fibre Average daily gain Apparent ileal digestibility Condensed distillers solubles Crude fibre Centre for International Economics Carbon Dioxide Crude Protein Commonwealth Scientific and Industrial Research Organisation Coefficient of variance Distillers dried grain plus solubles Digestible energy Distillers grain Dry matter Dry matter basis Dry matter intake Environmental Protection Agency Kilogram Kiloton Megacalories Metabolised energy Megajoule Meat & Livestock Australia Nitrogen Net energy for grain Neutral detergent fibre New South Wales Rural Industries Research and Development Corporation Sorghum wet distillers grain plus solubles Total mixed diet Thin stillage United States of America Wet distillers grain Wet distillers grain with sollubles iv
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Page 7 and 8: Executive Summary What the report i
Page 9 and 10: Storage, transporting and drying of
Page 11 and 12: Introduction Internationally, biofu
Page 13 and 14: Figure 1. The process and co-produc
Page 15 and 16: South Dakota region (Spiehs, Whitne
Page 17 and 18: Dairy Cows Under Australian conditi
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Page 27 and 28: Research Opportunities What needs t
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Biofuel Co-Products as Livestock Feed

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