Sero-Prevalence of Newcastle Disease in Poultry under Backyard System in Villages of Bishoftu Town, Ethiopia

Mekonnen Girma, Mahendra Pal, Tadelle Dessie, Wondmeneh Esatu, Wondu Mamo and Simenew Keskes

Research Journal of Poultry Sciences 6 ( 2 ): 38 - 42 , 2013