Mili?n, G.; Rond?n, A. J.; P?rez, M.; Bocourt, R.; Rodr?guez, Z.; Ranilla, M. J.; Rodr?guez, M.; Carro, M. D. Evaluation of Bacillus Subtilis Biopreparations As Growth Promoters in Chickens. Cuban J. Agric. Sci. 2013, 47.