Glatz, P.C., Y.J. Ru, M.Y. Hastings, D. Black, B. Rayner, and Z.H. Miao. 2005. “Lot Feeding of Ostrich Growers Compared With Lucerne Silage Supplementation or Grazing on Pasture”. International Journal of Poultry Science 4 (9): 676–678. https://doi.org/10.3923/ijps.2005.676.678.