It is a worldwide problem that presents primarily as an acute respiratory disease, but depression, nervous manifestations , or diarrhea may be the predominant clinical form. Severity depends on the . Den forekommer i de fleste land. Newcastlesjuke gir høy dødelighet hos fjørfe.
ND smitter ikke til mennesker.
Symptomene kan variere betydelig, alt etter . Now, the disease has spread to include . The clinico- morphological signs possess a distinct viscerotropic or neurotropic character. It is caused by a virus in the family of paramyxoviruses. Aetiology Epidemiology Diagnosis Prevention and Control References.
Classification of the causative agent. There are ten serotypes of avian paramyxoviruses designated APMV- I to APMV-10 .
Domestic fowl, turkeys, pigeons and parrots are most susceptible while a mild form of the disease affects ducks, geese, pheasants, quail and guinea fowl. Den angriper høns, kalkun, ender, duer og ville fuglearter. The disease can result in digestive, . In case of disease outbreaks specific control measures including killing of infected animals and those suspected to be infected or contaminated need to be implemented in the infected holdings and areas around . Other Names: Avian Paramyxovirus, APMV-1. There are many different strains of the ND virus that cause different degrees of disease in different bird species. ND usually presents as a respiratory disease, but depression, nervous manifestations, or diarrhoea may be the predominant clinical signs.
Australia is free of virulent ND. Chickens are susceptible to many infectious diseases. Reducing losses of large numbers of village chickens . DOWNLOAD PICTURES of Poultry.
Author information: (1)Central Veterinary Laboratory, Weybridge, New Haw, Addlestone, Surrey, United Kingdom. Historically, ND has been a devastating disease of poultry, . Strains that produce mild and moderate forms of the disease are sometimes found in domestic poultry and pigeons. VND can cause severe mortality in chickens.
It is one of the most important diseases which cause great economic loss in poultry industry.
The severity of the disease is a function of the virulence of the infecting viral strain. Lentogenic strains infect the trachea, lungs and air sacs, and interfere with egg production. Mesogenic and velogenic strains are manifested through .