S.B. Oladele, M. Morou, S.J. Sambo and O.J. Ibu
International Journal of Poultry Science 7 ( 9 ): 898 - 902 , 2008
I.J. Mbuko, W.I. Musa, S. Ibrahim, L. Sa`idu, P.A. Abdu, S.B. Oladele and H.M. Kazeem
International Journal of Poultry Science 9 ( 8 ): 784 - 790 , 2010