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A New Processing Machine to Increase Digestible Grain Rate for Whole Crop Rice Silage
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 056059, 2005 ASAE Annual Meeting . (doi: 10.13031/2013.19564) @2005
Authors: Kazuto Shigeta, Tamaki Kida, Morinobu Matsuo
Keywords: Whole crop rice silage, digestible, crusher, rice chaff, unhulled rice
Whole crop rice silage(WCRS) is fed to dairy cows and beef cattle in Japan. The silage contains grains of rice, which are not easily digested because the chaff is indigestible. This paper describes a new type crusher to make chaff digestible. In order to develop a WCRS processing device to decrease indigestible unhulled grain, a chaff removal and grain crushing test using the new device was conducted. Forces required to remove chaff from unhulled rice were measured in three different directions; this test showed that shearing forces were the most effective to remove chaff. Tearing off rice chaff partially by mechanically scratching the unhulled rice surface is adopted to make rice in the chaff digestible. A processing device for WCRS equipped with a new shape rotor was designed, and it could remove chaff from unhulled rice grain continuously without any problem. This machine will be useful for processing better WCRS.(Download PDF) (Export to EndNotes)