Bui Xuan Men, Ogle B and Preston T R 2008 Use of Water Taro (Colocasia esculenta) as a replacement for protein supplement in diets of fattening pigs.  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/men.htm