Azevedo, Rafael Vieira de, et al. “Prebiotic, Probiotic and Synbiotic Supplementation in Diets for Juvenile Tambaquis at Two Stocking Densities”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 1, Feb. 2016, pp. 9-16, doi:10.1590/S1678-3921.pab2016.v51.21873.