D?az, A., Castillo, E., Martin, P. C., & Hern?ndez, J. L. (2013). Pre-fattening of crossbred dairy bulls under grazing with glycine (Neonotonia wightii) and tropical grasses with rumen activator supplement. Cuban Journal of Agricultural Science, 47(1). Retrieved from https://cjascience.com/index.php/CJAS/article/view/250