Introduction
Newcastle disease (ND) is a highly contagious and fatal disease of poultry caused by Newcastle disease virus (NDV), a negative-sense single-stranded RNA virus. NDV has six genes that encode six structural proteins: nucleocapsid…

Newcastle disease (ND) is a highly contagious and fatal disease of poultry caused by Newcastle disease virus (NDV), a negative-sense single-stranded RNA virus. NDV has six genes that encode six structural proteins: nucleocapsid…