Fourteen Newcastle disease virus isolates were recovered, 10 from dead birds (nine chickens and one guinea fowl) and four from apparently healthy, free-roaming birds (one chicken, two ducks and one pigeon) in Nigeria. The pathogenicity indices showed all the isolates to be velogenic. © 1993, Taylor & Francis Group, LLC. All rights reserved.
CITATION STYLE
Iroegbu, C. U., & Emeruwa, A. C. (1993). Recovery of velogenic Newcastle disease virus from dead and healthy free-roaming birds in Nigeria. Avian Pathology, 22(2), 383–387. https://doi.org/10.1080/03079459308418928
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