T.M. Shafey, M.M. Ghannam, H.A. Al-Batshan and M.S. Al-Ayed
International Journal of Poultry Science 3 ( 3 ): 228 - 233 , 2004
S. Al-Mufarrej, H.A. Al-Batshan, M.I. Shalaby and T.M. Shafey
International Journal of Poultry Science 4 ( 2 ): 96 - 102 , 2005