Signor, A.; Lewandowski, V.; da Silva, R. A.; Fries, E. M.; Schuller, J. M. <b>Effect of Phytase on Digestibility of Corn, Sorghum and Wheat Bran by Silver Catfish (<i>Rhamdia voulezi</I&gt;). Acta Sci. Anim. Sci. 2016, 38, 355-359.