Dejene M, Bediye S, Kehaliw A, Kitaw G and Nesha K 2009: On-farm evaluation of lactating crossbred (Bos taurus x Bos indicus) dairy cows fed a basal diet of urea treated teff (Eragrostis tef) straw supplemented with escape protein source during the dry season in crop-livestock production system of north Shoa, Ethiopia. Livestock Research for Rural Development. Volume 21, Article #61. Retrieved , from http://www.lrrd.org/lrrd21/5/deje21061.htm