Exotic Newcastle Disease in birds is also called Avian Distemper, Velogenic Viscerotropic Newcastle Disease, (VVND) and Newcastle Viral Infection. Newcastle Disease is caused by a virus. The disease can vary from mild to severe. Newcastle disease is a contagious viral disease of birds and considered one of the most important poultry diseases worldwide. Affected species include chickens, turkeys, pigeons and ducks. The virus attacks and damages the cells … A highly contagious and severe form of the disease, called exotic Newcastle disease (END), is so deadly that many birds die suddenly without showing any signs of disease. The first symptoms usually consists of respiratory distress and rasping followed in 1 or 2 days by a paralysis of legs and wings and bad down between legs or straight back over shoulders. Paramyxovirus 1 or Newcastle Disease is a highly contagious viral disease affecting poultry of all ages. Exotic Newcastle Disease is a very contagious and serious disease. The condition is rarely diagnosed in ducks but is a possible cause of production drops/fertility problems.

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