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Newcastle disease |
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Newcastle disease, pneumoencephalitis, acute viral disease of domestic poultry. Newcastle disease is characterized by sneezing, coughing, and nervous behavior. Affected birds may show tremors, circling, falling, twisting of the head and neck, or complete paralysis. Mortality reaches 90% in very young birds but adult mortality is very low. Among affected laying hens, egg quantity and quality drop sharply at first but usually return to former levels within four to eight weeks. In humans the virus causes only a temporary conjunctivitis. The disease can be controlled in poultry by sanitary management and isolation of flocks, and by live-virus and inactivated vaccines administered by injection or in eye-drops, aerosol sprays, or drinking water. Newcastle disease [′nü‚kas·əl di‚zēz] (veterinary medicine) An acute viral disease of fowls, with respiratory, gastrointestinal, and central nervous system involvement; may be transmitted to human beings as a mild conjunctivitis. Also known as avian pneumoencephalitis; avian pseudoplague; Philippine fowl disease. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Opening remarks were made by Ilaria Capua, director of OIE and the National Reference Laboratory for Newcastle Disease and Avian Influenza in Padua, Italy. State Department of Food and Agriculture spokesman Jay Van Rein said agency officials remain confident they can detect the virus and contain it fairly quickly, given their experience containing an outbreak of exotic Newcastle disease in poultry farms in Riverside County in 2002. Some of the most common diseases that are spread as a result of bird droppings are Tuberculosis, Encephalitis, Meningitis, Chlamydiosis, Salmonellosis, Fowl Typhoid, Fowl Cholera, Newcastle Disease, Pullorum Disease, Spirochetosis, Streptococosis, and Q Fever. |
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