1.AOAC. 2005. Official Methods of Analysis, 18th edn. Association of Official Analytical Chemists. Washington DC

2.Dunham, J.R. 1998. Relative feed value measures forage quality. Forage Facts, 41(3)

3.El-Hadj, M., Abaye, O., Kodio, A. and Keïta, M., 2005. Dry season feed supplements: the potential role of Cassia tora. In Conflict, social capital and managing natural resources: a West African case study (pp. 195-209). Wallingford UK: CAB International.

4.Fekadu, D., Walelegn, M. and Terefe, G. 2017. Indexing Ethiopian feed stuffs using relative feed value: Dry forages and roughages, energy supplements, and protein supplements. J. Biol. Agric. Healthcare, 7(21): 2224-3208.

5.Kumar, B., Dhaliwal, S.S., Singh, S.T., Lamba, J.S. and Ram, H. 2016. Herbage production, nutritional composition and quality of teosinte under Fe fertilization. Int. J. Agri. Biol., 18(2).