Newcastle Disease Research Paper

The Newcastle disease(ND) is a regarded throughout the World as one of the two most important diseases of the poultry industry. The other disease being the highly pathogenic avian influenza(1). This disease is frequently responsible for huge losses in both commercial and village poultry. It is especially important in countries where village or backyard chicken production are extremely important as a source of protein in meat and egg. These areas include Asia, Africa, Central America and some parts of South America. While in other areas such as Europe, sporadic epizootic have occurred despite vaccination programmes(2).

The disease is caused by the avian paramyxovirus serotype 1 virus(APMV-1). Their strains are classified according to their virulence.The surveillance aggression in a country or region for this disease is based on the type of strain that is present. Even though the virus is present in New Zealand, the low virulent strain has never caused an outbreak to occur(3). Regardless of strain, all commercial poultry practices around the world either …show more content…
Good management can prevent the transmission of virus into the flock. The virus can be transmitted directly through horizontal transmission by inhalation, ingestion or through vertical transmission(13). An infection by ingestion of contaminated faeces is more likely compared to respiratory route. The success of respiratory route transmission is influenced by many factors such as temperature, humidity and stocking density(14). Therefore, outbreaks may occur frequently in establishments with a high population density and a constant flow of birds arriving and departing. Furthermore, establishments that have few feeders furnished with food in abundance, few open drinkers and accumulated droppings that are accessible to birds may face more frequent outbreaks than