M. Asif, S.Z. Mustafa, M. Asim, N.S.Kisana, M. Y. Mujahid, I. Ahmad and Z. Ahmed
Asian Journal of Plant Sciences 2 ( 4 ): 400 - 402 , 2003
M.A. Qureshi, R. Ali, M.A. Cheema, Z. Ahmed and H. Roth
International Journal of Poultry Science 3 ( 5 ): 305 - 312 , 2004
J.Z. Khawaja, K. Naeem, Z. Ahmed and S. Ahmad
International Journal of Poultry Science 4 ( 1 ): 39 - 43 , 2005