Newcastle disease is a virus from the family '''Paramyxoviridae'''. Avian paramyxovirus 1 affects chickens, ducks, pheasants, geese and turkeys. The virus is stable in carcasses for weeks, so has the potential to affect a large amount of
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[[Image:Newcastle Disease.jpg|150px|thumb|right|'''Newcastle Disease (Copyright L. Mahin, Wikimedia Commons) ''']]
[[Image:Newcastle Disease.jpg|150px|thumb|right|'''Newcastle Disease (Copyright L. Mahin, Wikimedia Commons) ''']]