B.A. Usman, A.U. Mani, A.D. El - Yuguda and S.S. Diarra
International Journal of Poultry Science 7 ( 4 ): 328 - 332 , 2008
B.A. Usman, A.U. Mani and O.B. Muyiwa
International Journal of Poultry Science 7 ( 4 ): 344 - 349 , 2008
B.A. Usman, A.U. Mani and I.I. Garndawa
International Journal of Poultry Science 7 ( 4 ): 350 - 354 , 2008