L. M. O. IBIYO, O. MOGAJI, and F. O. JOSHUA, “PERFORMANCE OF Clarias gariepinus FED NATIONAL INSTITUTE FOR FRESHWATER FISHERIES RESEARCH (NIFFR) FEED SUPPLEMENTED WITH NUTRASE XYLANASE”, NJF, vol. 12, no. 1, pp. 770–775, Jun. 2015.