作者
TJ Klopfenstein, GE Erickson, LL Berger
发表日期
2013/9/1
期刊
Field Crops Research
卷号
153
页码范围
5-11
出版商
Elsevier
简介
Maize production in the U.S. was about 316 million metric tons in 2010. That amount is expected to increase in the future due to greater yields/hectare and more hectares planted. From 1950 until 2006 the supply of maize grain was much greater than demand. Government programs supplemented farmers, enabling them to produce abundant amounts of maize grain at low prices. The low prices of maize grain encouraged feeding large amounts to livestock and poultry. As late as 2000, 60% of maize grain produced was fed to livestock and poultry. The development of the fuel ethanol industry has changed both the price of maize grain and the usage by livestock and poultry. In 2010 only 42.9% of U.S. maize grain was fed to livestock and poultry while 41.8% was used for fuel ethanol production, and 11.2% for food. There are two byproducts from fuel ethanol production that replace some of the maize grain, especially …
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