| newcastle disease virus in waterfowl in wisconsin. | newcastle disease virus was isolated from the cloaca of 1-5% of live-trapped waterfowl in wisconsin in the fall from 1978-1980. antibody to ndv was detected in 8% of the birds tested, with no apparent difference between sex and age classes. experimental infection resulted in persistence of virus shedding for months after exposure. lack of detectable antibody in some of the experimentally infected birds suggests that reported antibody prevalence may not be indicative of the true prevalence of the ... | 1982 | 7097879 |