Submitted to: American Association of Avian Pathologists
Publication Type: Abstract Only
Publication Acceptance Date: 3/9/2004
Publication Date: 7/24/2004
Citation: King, D.J., Kapczynski, D.R., Wakamatsu, N., Wise, M. 2004. The susceptibility of non-vaccinated and pmv-1 vaccinated racing pigeons to infection with exotic newcastle disease (end) virus isolate during the 2002-2003 end outbreak. American Association of Avian Pathologists.
Technical Abstract: Species differences in the manifestation of Newcastle disease virus (NDV) infection are widely known. It is also known that the highest risk for virus spread during a Newcastle disease outbreak is associated with movement of infected birds. To assess the role of racing pigeons in virus transmission non-vaccinated and PMV-1 vaccinated racing pigeons were inoculated with an END virus isolate from the 2002-2003 outbreak and observed and sampled for 18 days post-inoculation. Inoculation was by a combined eye drop/intranasal route. Oropharyngeal and cloacal swabs were collected on different days through the observation period and assayed by virus isolation and by a newly developed rapid diagnostic method, real time reverse transcriptase polymerase chain reaction. Virus isolation was more sensitive for detection of infected pigeons than the rapid diagnostic method. These results are in contrast with the results of similar studies in chickens and suggest that different methods may be required for virus detection in different species.