A highly contagious viral disease of poultry and many wild bird species, causing respiratory, nervous and digestive symptoms with mortality that can approach 100 percent in unvaccinated flocks with virulent strains. It occurs worldwide and is endemic in many developing countries, where it remains one of the leading constraints on village and smallholder poultry production.
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Chicken, Livestock Newcastle disease is a highly contagious, often fatal viral disease of chickens and other poultry.
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1. Newcastle Disease (Wikipedia)
Wikimedia FoundationOpening definition paragraph
Virulent Newcastle disease (VND), formerly exotic Newcastle disease, is a contagious viral avian disease affecting many domestic and wild bird species; it is transmissible to humans. Though NDV may infect humans, most cases are non-symptomatic; and though rare, NDV can cause a mild fever and influenza-like symptoms and/or conjunctivitis in humans.
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A highly contagious viral disease of poultry and many wild bird species, causing respiratory, nervous and digestive symptoms with mortality that can approach 100 percent in unvaccinated flocks with virulent strains.
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