S. Mehmood, A.W. Sahota, M. Akram, K. Javed*, J. Hussain, M.S. Shaheen, Y. Abbas, A. S. Jatoi* and A. Iqbal
Department of Poultry Production, *Department of Livestock Production, University of Veterinary and Animal Sciences, Lahore, **Department of Poultry Husbandry, Shaheed Banazir Bhutto University of Veterinary and Animal Sciences, Sarkand