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Newcastle Disease Virus in Waterfowl
Characterization of Isolates of Newcastle
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AHY F AI-HI airsacculitis American coot antibody in turkeys antibody titers antigenic Atlantic flyway Avian Birds were bled brachial vein Canada geese cloacal swabs coli antibody Collins Marsh dilution disease virus isolates eggs elution esophageal Experiment exposed to NDV F AI-H4 F F F F ii AHY F M F F PMV geometric mean Group hemagglutination hemagglutination inhibiting antibody inoculated interferon isolated from turkeys Isolation of Newcastle mallard Mississippi flyway NDV antibody NDV isolates Newcastle disease virus NT NT NT Number organ cultures paramyxoviruses persistent infection PMV NT PMV PMV PMV population poultry produced R. P. Hanson red blood cells respiratory samples serologic serum species swabs were taken Table thermostable tissues Tracheal and cloacal tracheal swabs turkey isolates turkeys exposed vaccine strains viral virulence virus infection virus isolation virus shedding Virus was isolated waterfowl waterfowl isolates weeks wild birds Wisconsin wood duck