Glatz, P.C., Y.J. Ru, M.Y. Hastings, D. Black, and B. Rayner. 2003. “On Farm Assessment of High Fibre Dietary Sources for Grower and Finisher Ostriches”. International Journal of Poultry Science 2 (5): 293–299. https://doi.org/10.3923/ijps.2003.293.299.