Hussain I., M. A. Zahoor, M.H. Rasool, M. Shahid Mahmood, M.K. Mansoor and M.N. Riaz
International Journal of Poultry Science 2 ( 6 ): 442 - 445 , 2003
M. Sajjad, S.U. Rahman, I. Hussain and M.H. Rasool
International Journal of Poultry Science 3 ( 8 ): 538 - 542 , 2004