1. Alves, E.M., Pedreira, M.S., Oliveira, C.A.S., Aguiar, L.V., Pereira, M.L.A., Almeida, P. J. P., 2010. Intake behavior of sheep fed mesquite pod meal as a function of urea level. Acta Scientiarum Animal Sciences, 32, 439-445.
2. AOAC, 1990. Association of Official Analytical Chemists. Official methods of analyses of the AOAC. 15 ed. Washington, assoc. Off. Agric. Chem., p. 1105–1106.
3. Bastos, M.P.V., Carvalho, G.G.P., Pires, A.J.V., Silva, R.R., Eustáquio Filho, A., Santos, E.J., Chagas, D.M.T., Barroso, D.S., Abreu Filho, G., 2014. Ingestive behavior and nitrogen balance of confined Santa Ines lambs fed diets containing soybean hulls. Australasian Journal Animal Science, 27, 24-29.
4. Berchielli, T.T., Pires, A.V., Oliveira, S.G., 2011. Nutrição de ruminantes. 2° ed. FUNEP, 616p.
5. Berger, L.L., Fahey Jr., G.C., Bourquim, L.O., Titgmeyer, E.C., 1994. Modification of forage quality after harvest. In: Fahey Jr., G.C. (Ed.). Forage quality, evaluation e utilization. Madison: American Society of Agronomy, p. 922–966.