Nguyen Xuan Ba, Nguyen Huu Van and Nguyen Kim Duong 2008 Effects of restricted suckling on milk production and health of cows and on the performance of the calves at small dairy farms in Central Vietnam.  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/ba_huaf.htm