Retrospective (2000-2009) Study of Newcastle Disease (ND) Cases in Avian Species in Maiduguri, Borno State, North Eastern Nigeria

M. A. Sadiq, J. A. Nwanta, E. C. Okolocha and A. N. Tijjani

International Journal of Poultry Science 10 ( 1 ): 76 - 81 , 2011