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

2.Ball, D.M., Hoveland, C.S. and Lacefield, G.D. 2007. Adapted from Southern Forages, 4th Ed. International Plant Nutrition Institute. U.S.A

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

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. Agric. Biol, 18(2).

6.Lebas, F. 2013. Estimation de la digestibilité des protéines et de la teneurenénergie digestible des matières premières pour le lapin, avec un systèmed’ équations. Proceedings of the15èmes Journées de la Recherche Cunicole; Le Mans, France, pp. 27-30

7.Lithourgidis, A.S., Vasilakoglou, I.B., Dhima, K.V., Dordas, C.A. and Yiakoulaki, M.D. 2006. Forage yield and quality of common vetch mixtures with oat and triticale in two seeding ratios. Field Crops Res., 99(2-3): 106-113.

8.NRC-National Research Council, 2001. Nutrient requirements of dairy cattle. Nutrient requirements of domestic animals.

9.Saha, U., Hancock, D. and Kissel, D. 2014. How do we calculate relative forage quality in Georgia. Agricultural and Environmental Services Laboratories Cooperative Extension Service, pp. 1-4.

10.SK, T. 1940. The analysis of mineral constituents in biological materials. Indian J. Vet. Sci. Anim. Husb., 10: 243-246.

11.Undersander, D. 2003. The new relative forage quality indexconcept and use. Univ Wisc Ext. Madison, WI, USA.

12.Van Soest, P.V., Robertson, J.B. and Lewis, B.A. 1991. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci., 74(10): 3583-3597.