| Literature DB >> 18671025 |
G O Echeonwu1, C U Iroegbu, A C Emeruwa.
Abstract
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.Entities:
Year: 1993 PMID: 18671025 DOI: 10.1080/03079459308418928
Source DB: PubMed Journal: Avian Pathol ISSN: 0307-9457 Impact factor: 3.378