Nguyen Thi Kim Dong and Nguyen Truong Giang  2008 Effect of different levels of neutral detergent fiber in the diets on feed utilization, growth rate and nutrient digestibility of growing crossbred rabbits .  Proceedings MEKARN Rabbit Conference: Organic rabbit production from forages (Editors: Reg Preston and Nnguyen Van Thu), Cantho University, Vietnam, 25-27 November 2008 http://www.mekarn.org/prorab/nam.htm