Characterization of Amino Acid Mutations of Newcastle Disease Virus (NDV) In Swan Geese (Anser cygnoides) In East Java, Indonesia
Background: Newcastle disease (ND) is a highly contagious viral disease affecting the poultry industry.The NDV is classified into three here strains based on their relative virulence, namely velogenic or highly virulent, mesogenic or moderately virulent, and lentogenic or lowly virulent.The clinical manifestations of the disease vary depending on m