Duy N T, Khang D N and Preston T R 2016: Effect of replacing Elephant grass (Pennisetum purpureum) with cassava (Manihot esculenta Cranz) pulp on methane production in an in vitro rumen fermentation. Livestock Research for Rural Development. Volume 28, Article #193. Retrieved , from http://www.lrrd.org/lrrd28/11/duy28193.html