Newcastle disease virus (NDV) - NDV is endemic in many countries of the world. Some European countries have been free of the disease for years. It is a contagious and fatal viral disease affecting most species of birds. Clinical signs are extremely variable depending on the strain of virus, species and age of bird, co current disease, and pre-existing immunity.
Classification of the causative agent
Virus family Paramyxoviridae, genus Rubulavirus
Temperature: Inactivated by 56°C/3 hours, 60°C/30 min
Disinfectants: Inactivated by formalin and phenol
Survival: Survives for long periods at ambient temperature, especially in faeces
NDV is spread primarily through direct contact between he
· Contaminated feed, water, implements, premises, human clothing, etc.
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