Harikrishna Ch, Mahender M, Ramana Reddy Y, Gnana Prakash M, Sudhakar K and Pavani M 2013: Supplementation effect of thermotolerant yeast on nutrient utilization and rumen fermentation in Nellore lambs. Livestock Research for Rural Development. Volume 25, Article #90. Retrieved , from http://www.lrrd.org/lrrd25/5/hari25090.htm