Khang D N, Ngoc Anh D T and Preston T R 2019 Growth rate of Holstein-Friesian cattle was increased, and eructed methane was reduced, when a basal diet of cassava pulp-urea was supplemented with cassava foliage and coconut cake. Livestock Research for Rural Development. Volume 31, Article #115. Retrieved , from http://www.lrrd.org/lrrd31/8/khang31115.html