Sypraseuth Khonglalien, Bounlieng Khoutsavan, Phonepaseuth Phengsavanh and Preston T R 2008 Measuring responses to an oil drench and bypass protein (cassava foliage) in local (Yellow breed) cattle fed rice straw and a rumen supplement. Proceedings MEKARN Regional Conference 2007: Matching Livestock Systems with Available Resources (Editors: Reg Preston and Brian Ogle), Halong Bay, Vietnam, 25-28 November 2007 http://www.mekarn.org/prohan/seuth.htm