1. Ajila, C.M., Bhat, S.G. and Prasada, U.J.S., 2007. Valuable components of raw and ripe peels from two Indian mango varieties, The Food Chemistry, 102,1006–1011.
2. Almaraz-Buendía, I., García, A.M., Sánchez-Santillán, P., Torres-Salado N., Herrera-Pérez, J., Bottini-Luzardo, M.B. y Rojas-García, A.R., 2019. Análisis bromatológico y producción de gas in vitro de forrajes utilizados en el trópico seco mexicano, Archivos de Zootecnia, 68(262), 260–266.
3. Alvarez, A.E.G., Huntington, G.B., Burns, J.C., 2012. Effects of supplemental urea sources and feeding frequency on ruminal fermentation, fiber digestion, and nitrogen balance in beef steers, Animal Feed Science and Technology, 171, 136–145.
4. AOAC, 2005. Official Methods of Analysis, 18th ed., (Association of Official Analytical Chemists, Gaithersburg, Maryland, USA).
5. Ayasan, T., Boga, M., Baylan, M., Ergul, S., Kutay, H., Naeim, S.S., Mizrak, C., and Cubukcu P., 2019. Determination of nutritive value of soybean varieties using in vitro methods and gas production technique, Iranian Journal of Applied Animal Science, 9(4), 603–608.